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Home Software Developers Kotlin

Top Kotlin Developers

Kotlin has become the preferred language for Android development and is rapidly expanding into backend services and multiplatform applications. Its concise syntax, null safety, and full interoperability with Java make it a practical choice for teams modernizing existing codebases or building new products from scratch.

Kotlin developers on Clutch are vetted through a verified review process, so you can compare firms based on real client outcomes — not just self-reported credentials. These companies build native Android applications, server-side systems using Ktor or Spring Boot, and cross-platform solutions with Kotlin Multiplatform (KMP). Related directories: Android app development companies, mobile app development companies, and the full Kotlin developers directory.

Ratings Updated: September 10, 2026
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5,522 Companies

Programming & Scripting: Kotlin

List of the Top Kotlin Development Services

  • Innovative Solutions Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    10 - 49
    Molenbeek-Saint-Jean, Belgium

    Services provided

    34% Custom Software Development
    33% Mobile App Development
    33% Web Development

    Focus Areas

    25% Kotlin
    25% ASP.NET
    25% JavaScript +1
    25% Swift

    Innovative Solutions is a custom software development firm launched in 2019. The team specializes in Custom Software Development and Web Development.

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  • Starp Now Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Novi Sad, Serbia

    Services provided

    45% Mobile App Development
    25% Web Development
    10% Application Testing +4
    5% Application Management & Support
    5% E-Commerce Development
    5% Graphic Design
    5% UX/UI Design

    Focus Areas

    50% Kotlin
    50% Swift

    Starp Now, a mobile app development firm, was launched in 2021. The company offers Mobile App Development and Web Development.

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  • App3null Logotype

    5.0 1 review
    $5,000+
    $25 - $49 / hr
    10 - 49
    München, Germany

    Services provided

    50% Mobile App Development
    30% Web Development
    20% Mobile & App Marketing

    Focus Areas

    35% Kotlin
    20% PHP
    20% Python +2
    15% JavaScript
    10% Other programming & scripting languages

    App3null specializes in mobile app development, demonstrating a high level of expertise and attention to detail. Clients appreciate their professionalism, effective communication, and the quality of the final product. Overall, App3null has received positive feedback for their passion and impressive project management skills, leading to successful and timely project deliveries.

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  • Osous Technology LLC for Web & Mobile App Development Company Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Baghdad, Iraq

    Services provided

    30% Mobile App Development
    30% Web Design
    20% Web Development +2
    10% E-Commerce Development
    10% Search Engine Optimization

    Focus Areas

    20% Kotlin
    20% ASP.NET
    20% C# +3
    20% PHP
    10% Objective C
    10% Swift

    Osous Technology LLC for Web & Mobile App Development Company is a web design company established in 2015. The firm focuses on Web Design and Mobile App Development.

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  • Web Square IT Solutions Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    10% Custom Software Development
    40% Mobile App Development
    40% Web Development +1
    10% E-Commerce Development

    Focus Areas

    20% Kotlin
    40% PHP
    15% AJAX +3
    15% SQL
    5% ASP.NET
    5% JavaScript

    Founded in 2019, Web Square IT Solutions is an application development company. Based in Ahmedabad, India, the team focuses on Mobile App Development and Web Development.

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  • Atlas Innovations Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Lviv, Ukraine

    Services provided

    25% Custom Software Development
    30% Mobile App Development
    30% Web Development +1
    15% UX/UI Design

    Focus Areas

    25% Kotlin
    25% Java
    25% Swift +2
    20% JavaScript
    5% Other programming & scripting languages

    Atlas Innovations is a web development company in Lviv, Ukraine. Launched in 2020, the team specializes in Web Development and Mobile App Development.

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  • App Studio Inc Logotype

    App Studio Inc

    5.0 1 review
    $10,000+
    $50 - $99 / hr
    50 - 249

    Services provided

    20% Custom Software Development
    30% Mobile App Development
    20% Blockchain +2
    20% E-Commerce Development
    10% Web Design

    Focus Areas

    15% Kotlin
    15% Objective C
    15% PHP +5
    15% Swift
    10% HTML5
    10% Java
    10% Other programming & scripting languages
    10% Typescript

    App Studio Inc specializes in mobile application development, providing services that include app design, UI/UX development, and integrated billing functions. Reviews highlight their professionalism, effective communication, and timely delivery of projects. Clients particularly commend their ability to transform ideas into functional applications, underscoring a high level of satisfaction and successful project outcomes.

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  • Drona Infotech Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Noida, India

    Services provided

    10% Custom Software Development
    15% Search Engine Optimization
    10% AR/VR Development +11
    10% Cloud Consulting & SI
    10% Web Design
    5% Content Marketing
    5% E-Commerce Development
    5% Ecommerce Marketing
    5% Email Marketing
    5% Graphic Design
    5% Mobile & App Marketing
    5% Pay Per Click
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    12% Kotlin
    11% Ember.js
    11% Java +6
    11% JavaScript
    11% Other programming & scripting languages
    11% PHP
    11% Python
    11% Redux
    11% Ruby

    Drona Infotech offers bespoke software development services, specializing in custom software solutions such as CRM systems. Reviews highlight their professionalism, timely project delivery, and dedicated team, underscoring their strong reputation as a leading software company in Noida. Their tailored software solutions reflect a high level of client satisfaction and trust.

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  • Oditek Solutions Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Bhubaneswar, India

    Services provided

    40% Custom Software Development
    10% Business Consulting
    10% E-Commerce Development +4
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    10% Web Development

    Focus Areas

    10% Kotlin
    10% AJAX
    10% ASP.NET +7
    10% C#
    10% C++
    10% Java
    10% Objective C
    10% PHP
    10% Python
    10% Swift

    Midsize software development firm Oditek Solutions, is in Bhubaneswar, India. Their services include Custom Software Development and UX/UI Design.

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  • Taxi Web Design Logotype

    Taxi Web Design

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    1% Custom Software Development
    55% Mobile App Development
    19% Low/No Code Development +2
    15% UX/UI Design
    10% Web Development

    Focus Areas

    30% Kotlin
    40% SQL
    15% Python +2
    10% PHP
    5% Java

    Taxi Web Design is a mobile application development company. The Nepal-based firm was established in 2009. Their services include Mobile App Development and UX/UI Design.

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  • Alobha Technologies Pvt. Ltd. Logotype

    5.0 1 review
    $1,000+
    < $25 / hr
    50 - 249
    Noida, India

    Services provided

    30% Search Engine Optimization
    20% AI Development
    20% Mobile App Development +2
    20% Web Development
    10% IoT Development

    Focus Areas

    10% Kotlin
    30% Swift
    20% Python +4
    10% JavaScript
    10% Other programming & scripting languages
    10% PHP
    10% SQL

    Alobha Technologies Pvt. Ltd. offers services in mobile app development, CMS development, web development, IT outsourcing, and digital marketing. Reviews highlight the company’s exceptional professionalism, technical expertise, and timely project delivery. Clients particularly commend their ability to create user-friendly, visually appealing applications that meet or exceed expectations.

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  • Tekknights Logotype

    Tekknights

    5.0 1 review
    $1,000+
    < $25 / hr
    10 - 49

    Services provided

    10% Custom Software Development
    25% Mobile App Development
    25% Web Development +3
    20% API Development
    15% UX/UI Design
    5% Application Management & Support

    Focus Areas

    30% Kotlin
    30% PHP
    30% Swift +2
    5% Java
    5% JavaScript

    Tekknights specializes in bespoke software development, including custom app development and tailored software solutions. The reviews highlight their effective communication, responsiveness, and commitment to delivering projects on time, even across multiple time zones. Clients appreciate their alignment with company values and the value they offer within budget constraints.

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  • 1BITLAB TECHNOLOGY JOINT STOCK COMPANY Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Hanoi, Vietnam

    Services provided

    15% Custom Software Development
    20% Blockchain
    20% Web Development +4
    15% Mobile App Development
    10% AI Development
    10% AR/VR Development
    10% Low/No Code Development

    Focus Areas

    10% Kotlin
    19% C++
    19% Python +4
    13% JavaScript
    13% Objective C
    13% PHP
    13% Swift

    1BITLAB TECHNOLOGY JOINT STOCK COMPANY is a software development firm. They are located in Hanoi, Vietnam. Their team provides Custom Software Development and Web Development.

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  • Wave69 - Adult Website Design & Marketing Logotype

    Wave69 - Adult Website Design & Marketing

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    10% Custom Software Development
    20% Search Engine Optimization
    15% UX/UI Design +5
    15% Web Development
    10% AR/VR Development
    10% E-Commerce Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    12% Kotlin
    13% AJAX
    13% Ember.js +5
    13% Other programming & scripting languages
    13% PHP
    13% Perl
    13% Redux
    10% Objective C

    Wave69 - Adult Website Design & Marketing offers specialized services in website design and marketing, focusing on building clientele and enhancing brand recognition. Reviews highlight their effective communication, prompt issue resolution, and consistent project updates, resulting in increased client inquiries and business growth. The company is noted for its reliability and strong project management skills.

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  • Mobylogix Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Marina del Rey, CA

    Services provided

    10% Custom Software Development
    30% Mobile App Development
    30% Web Development +2
    20% E-Commerce Development
    10% Web Design

    Focus Areas

    10% Kotlin
    20% JavaScript
    20% Python +5
    10% Go
    10% Java
    10% Other programming & scripting languages
    10% PHP
    10% Swift

    Launched in 2015, Mobylogix, a small mobile app development firm, is headquartered in Marina del Rey, California and Kolding, Denmark. Their team focuses on Mobile App Development and Web

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  • Zerrno Digital Agency Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Kyiv, Ukraine

    Services provided

    40% Web Development
    20% Mobile App Development
    20% Web Design +2
    10% Social Media Marketing
    10% UX/UI Design

    Focus Areas

    20% Kotlin
    40% PHP
    20% Swift +2
    10% Java
    10% Python

    Web development company Zerrno Digital Agency was founded in 2017. The agency focuses on Web Development and Mobile App Development, and is small.

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  • Airtouch Media Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    Madrid, Spain

    Services provided

    20% Custom Software Development
    40% Mobile App Development
    20% IT Staff Augmentation +2
    10% IT Managed Services
    10% Web Development

    Focus Areas

    10% Kotlin
    20% JavaScript
    20% Python +5
    10% C#
    10% C++
    10% Objective C
    10% SQL
    10% Swift

    Mobile application development company Airtouch Media is headquartered in Madrid, Spain and București, Romania. Their services include Mobile App Development and Custom Software Development.

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  • BySix - Software Engineering Company Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    50 - 249
    Lisboa, Portugal

    Services provided

    15% Custom Software Development
    70% IT Staff Augmentation
    10% Low/No Code Development +1
    5% Mobile & App Marketing

    Focus Areas

    15% Kotlin
    15% HTML5
    15% Java +4
    15% JavaScript
    15% Python
    15% SQL
    10% Go

    Established in 2017, BySix - Software Engineering Company is an IT staff augmentation company. The midsize team focuses on IT staff augmentation and Custom Software Development.

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  • Restart Technology Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    Cairo, Egypt

    Services provided

    35% Custom Software Development
    25% Web Development
    20% Mobile App Development +3
    10% UX/UI Design
    5% DevOps Managed Services
    5% Web Design

    Focus Areas

    20% Kotlin
    35% PHP
    20% Swift +2
    15% Typescript
    10% C#

    Restart Technology is a custom software development firm. The team provides Custom Software Development and Web Development, and the company is in Cairo, Egypt and Dubai, United Arab Emirates.

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  • NGTI Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    50 - 249
    Rotterdam, Netherlands

    Services provided

    50% Mobile App Development
    20% IoT Development
    20% Web Development +1
    10% Enterprise App Modernization

    Focus Areas

    10% Kotlin
    30% AJAX
    20% Ember.js +4
    10% Java
    10% JavaScript
    10% Objective C
    10% Python

    NGTI is a midsize app development company. Established in 2014, the team specializes in Mobile App Development and IoT development.

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  • iTo Logotype

    iTo

    5.0 1 review
    $50,000+
    $50 - $99 / hr
    50 - 249

    Services provided

    30% Custom Software Development
    35% Mobile App Development
    15% E-Commerce Development +2
    10% UX/UI Design
    10% Web Development

    Focus Areas

    15% Kotlin
    20% PHP
    15% Swift +5
    10% JavaScript
    10% Other programming & scripting languages
    10% Redux
    10% SQL
    10% Typescript

    iTo offers tailored software solutions with a focus on Custom Software Development, including UX/UI design, frontend, and backend development. The reviews highlight iTo's effective project management, agile methodology, and the impressive support of their business analysts. Clients appreciate their transparency and smooth development processes, indicating strong overall satisfaction with their services.

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  • SpringHire Logotype

    Not yet reviewed

    $50,000+
    $25 - $49 / hr
    10 - 49
    Bengaluru, India

    Services provided

    34% Custom Software Development
    33% Mobile App Development
    33% Web Development

    Focus Areas

    10% Kotlin
    10% JavaScript
    10% Python +11
    10% Ruby
    10% SQL
    10% Swift
    5% AJAX
    5% HTML5
    5% Objective C
    5% Other programming & scripting languages
    5% PHP
    5% Rust
    5% Visual Basic
    5% jquery

    SpringHire is a software development firm. Based in Bengaluru, India, the firm provides Custom Software Development and Web Development.

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  • Innzes Solutions Logotype

    Innzes Solutions

    5.0 1 review
    $5,000+
    < $25 / hr
    10 - 49

    Services provided

    5% Custom Software Development
    25% Web Development
    20% Mobile App Development +5
    10% E-Commerce Development
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    20% Kotlin
    20% Java
    20% Objective C +3
    20% Swift
    10% AJAX
    10% PHP

    Innzes Solutions specializes in developing custom eCommerce websites and providing ongoing site maintenance and support. Feedback from clients highlights their timely delivery, responsiveness, and modern, fully responsive design capabilities. Innzes Solutions' pricing and effective communication are particularly commended, with no significant areas for improvement noted.

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  • Wiredcraft Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    50 - 249
    Shanghai, China

    Services provided

    20% Custom Software Development
    25% Mobile App Development
    25% UX/UI Design +2
    25% Web Development
    5% Enterprise App Modernization

    Focus Areas

    15% Kotlin
    25% JavaScript
    15% Java +5
    15% Swift
    10% Other programming & scripting languages
    10% Python
    5% Go
    5% SQL

    Wiredcraft is an user experience design company founded in 2009. The team provides UX/UI Design and Mobile App Development and is based in Shanghai, China and Paris, France.

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  • Info 2 Ideas Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Mumbai, India

    Services provided

    40% Web Development
    30% Mobile App Development
    20% E-Commerce Development +1
    10% Other Application Development

    Focus Areas

    15% Kotlin
    25% JavaScript
    25% PHP +2
    20% SQL
    15% Swift

    Small website development firm Info 2 Ideas, is in Mumbai, India. Their services include Web Development and Mobile App Development.

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  • Online Jaao Logotype

    Online Jaao

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Custom Software Development
    50% Mobile App Development
    20% Web Development +2
    5% E-Commerce Development
    5% IT Strategy Consulting

    Focus Areas

    20% Kotlin
    30% PHP
    20% SQL +3
    10% Java
    10% JavaScript
    10% Python

    Application development company Online Jaao is based in Nahur, India. Founded in 2018, the team offers Mobile App Development and Custom Software Development.

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  • Wootera Digital Technologies Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Prague, Czech Republic

    Services provided

    40% Web Development
    35% Mobile App Development
    15% IoT Development +1
    10% Low/No Code Development

    Focus Areas

    20% Kotlin
    20% HTML5
    20% SQL +2
    20% Swift
    20% Typescript

    Founded in 2023, Wootera Digital Technologies is a web development firm. Their services include Web Development and Mobile App Development.

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  • Mern IT Solutions Logotype

    5.0 1 review
    $10,000+
    $25 - $49 / hr
    10 - 49
    Islamabad, Pakistan

    Services provided

    10% Custom Software Development
    15% E-Commerce Development
    15% Mobile & App Marketing +6
    10% Branding
    10% IT Managed Services
    10% IT Staff Augmentation
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    12% Kotlin
    13% AJAX
    13% Ember.js +5
    13% Redux
    13% SQL
    13% Swift
    13% Visual Basic
    10% Objective C

    Mern IT Solutions specializes in bespoke software development and tailored software solutions, including design and wireframing, front-end and back-end development, and full project management services. Their reviews highlight excellent communication, seamless coordination, and commitment to delivering quality results, although they could expand their offerings to include marketing services.

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  • Kodex Technologies Logotype

    2.8 2 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Lahore, Pakistan

    Services provided

    10% Custom Software Development
    35% Mobile App Development
    30% Web Development +3
    10% Enterprise App Modernization
    10% UX/UI Design
    5% Graphic Design

    Focus Areas

    20% Kotlin
    20% PHP
    20% Swift +3
    15% C#
    15% Typescript
    10% ASP.NET

    Kodex Technologies offers bespoke software development services, including custom app development and tailored software solutions. Reviews highlight their excellent communication skills, adherence to timelines, and comprehensive project management. Clients were particularly impressed with their ability to understand business ideas and deliver mature, end-to-end solutions.

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    Industry Experience

    Kodex Technologies has primarily engaged in the Consumer Products industry, receiving predominantly negative feedback regarding project completion and communication. Clients reported significant delays, incomplete projects, and poor responsiveness, highlighting a lack of transparency and accountability. The overall sentiment indicates skepticism about their reliability and professional conduct. Potential clients in this industry should carefully consider these experiences before partnership, as they suggest Kodex may not be a suitable match for projects requiring dependability and timely execution.

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    Consumer Products

    Average Project Cost Breakdown

    Less than $10,000 (1)

    What Clients Have Said

    Client feedback indicates significant dissatisfaction with Kodex Technologies regarding cost and value for money. One reviewer described being forced to pay the final installment despite the project being incomplete, labeling the company as 'dishonest' and 'liars.' They reported that the project took five months with no completion, resulting in a lack of perceived value for the initial $2,600 investment. Overall sentiment suggests that potential clients may encounter issues with project delivery and financial fairness.
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  • Skalable Limited Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49
    London, England

    Services provided

    10% Custom Software Development
    50% IT Staff Augmentation
    20% AI Development +2
    10% Mobile App Development
    10% Web Development

    Focus Areas

    20% Kotlin
    20% AJAX
    20% C# +2
    20% Redux
    20% Swift

    In London, England, Skalable Limited is an IT staff augmentation company. They offer IT staff augmentation and Artificial Intelligence.

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  • EightDevs Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    Kyiv, Ukraine

    Services provided

    20% Custom Software Development
    25% Mobile App Development
    20% Web Development +6
    10% Cybersecurity
    8% E-Commerce Development
    5% Digital Strategy
    5% Enterprise App Modernization
    5% Other Digital Marketing
    2% Other Application Development

    Focus Areas

    15% Kotlin
    20% JavaScript
    20% Swift +6
    10% Java
    10% Objective C
    10% PHP
    5% C#
    5% Redux
    5% SQL

    App development company EightDevs specializes in Mobile App Development and Custom Software Development. They are located in Kyiv, Ukraine.

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  • Significant Infotech Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Surat, India

    Services provided

    15% Custom Software Development
    15% Mobile App Development
    15% Web Development +10
    10% E-Commerce Development
    5% Branding
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Other Digital Marketing
    5% Pay Per Click
    5% Search Engine Optimization
    5% UX/UI Design
    5% Web Design

    Focus Areas

    25% Kotlin
    30% Java
    20% Swift +2
    15% Objective C
    10% PHP

    Significant Infotech is a custom software development firm founded in 2015. The firm offers Custom Software Development and Mobile App Development.

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  • No Bull Code Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Calgary, Canada

    Services provided

    15% Custom Software Development
    50% IT Staff Augmentation
    20% Mobile App Development +2
    10% Web Development
    5% UX/UI Design

    Focus Areas

    10% Kotlin
    15% Python
    10% C# +9
    10% Java
    10% JavaScript
    10% Other programming & scripting languages
    10% Typescript
    5% ASP.NET
    5% C
    5% Objective C
    5% SQL
    5% Swift

    IT staff augmentation company No Bull Code is in Calgary, Canada. Established in 2022, the team specializes in IT staff augmentation and Mobile App Development.

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  • Brainic Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Brașov, Romania

    Services provided

    20% Custom Software Development
    30% Mobile App Development
    15% AI Agents +3
    15% Web Development
    10% AI Development
    10% Generative AI

    Focus Areas

    20% Kotlin
    25% Java
    20% Swift +3
    15% Objective C
    10% JavaScript
    10% PHP

    Brainic is a mobile app development company launched in 2015. Their services include Mobile App Development and Custom Software Development.

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  • Falcon Solutions Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    10 - 49
    Surat, India

    Services provided

    40% Mobile App Development
    30% Web Development
    10% AR/VR Development +2
    10% E-Commerce Development
    10% UX/UI Design

    Focus Areas

    45% Kotlin
    44% Swift
    11% Objective C

    Falcon Solutions is an application development company. They provide Mobile App Development and Web Development and are in Surat, India.

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  • Logic Worms (Pvt) Ltd. Logotype

    Logic Worms (Pvt) Ltd.

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49

    Services provided

    30% Custom Software Development
    40% UX/UI Design
    30% Web Development

    Focus Areas

    25% Kotlin
    30% PHP
    25% ASP.NET +1
    20% Python

    Logic Worms (Pvt) Ltd. Is an UX design agency. They are based in ISLAMABAD, Pakistan. Their team focuses on UX/UI Design and Custom Software Development.

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  • Bambú Mobile Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    50 - 249
    Ciudad de México, Mexico

    Services provided

    30% Custom Software Development
    15% Mobile App Development
    15% UX/UI Design +5
    15% Web Development
    10% IoT Development
    5% Cloud Consulting & SI
    5% IT Staff Augmentation
    5% IT Strategy Consulting

    Focus Areas

    15% Kotlin
    30% JavaScript
    15% Swift +4
    10% AJAX
    10% Java
    10% PHP
    10% Python

    Bambú Mobile is a custom software development firm. Based in Ciudad de México, Mexico, the team specializes in Custom Software Development and UX/UI Design.

    Read more
    View Profile
  • Shilp IT Solutions Logotype

    Shilp IT Solutions

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    25% Custom Software Development
    20% Mobile App Development
    20% Web Development +5
    10% AI Development
    10% E-Commerce Development
    5% API Development
    5% Search Engine Optimization
    5% UX/UI Design

    Focus Areas

    50% Kotlin
    45% Swift
    5% Objective C

    Shilp IT Solutions is a custom software development firm. The Ahmedabad, India-based company was founded in 2015. Their services include Custom Software Development and Mobile App Development.

    Read more
    View Profile
  • North Coast Code Logotype

    Not yet reviewed

    $50,000+
    $50 - $99 / hr
    10 - 49
    Tallinn, Estonia

    Services provided

    60% Custom Software Development
    25% Mobile App Development
    15% AI Development

    Focus Areas

    50% Kotlin
    25% Java
    25% Typescript

    North Coast Code is a custom software development company established in 2020. The team offers Custom Software Development and Mobile App Development and is based in Tallinn, Estonia.

    Read more
    View Profile
  • Appbiquity Logotype

    Appbiquity

    5.0 2 reviews
    $1,000+
    $50 - $99 / hr
    250 - 999

    Services provided

    10% Custom Software Development
    20% Blockchain
    20% Enterprise App Modernization +5
    10% AR/VR Development
    10% Low/No Code Development
    10% Mobile App Development
    10% Wearable App Development
    10% Web Design

    Focus Areas

    12% Kotlin
    13% AJAX
    13% Ember.js +5
    13% Redux
    13% SQL
    13% Swift
    13% Visual Basic
    10% Objective C

    Appbiquity provides app development services specializing in creating user-centric, high-performing applications with innovative features. Reviews highlight their effective project management, technical expertise, and exceptional customer support. Clients appreciate their detailed planning, seamless workflow, and consistent communication, making Appbiquity a reliable partner for achieving project goals efficiently.

    See all 2 projects
    View Profile
  • Ai Pinnacle Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Rawalpindi, Pakistan

    Services provided

    20% AI Development
    20% Market Research
    20% Mobile App Development +2
    20% Search Engine Optimization
    20% Web Development

    Focus Areas

    10% Kotlin
    25% Python
    20% JavaScript +9
    15% Typescript
    8% Java
    5% C++
    5% Swift
    4% HTML5
    3% SQL
    2% Go
    2% jquery
    1% Ruby

    Ai Pinnacle is a Market Research company. The company is based in Rawalpindi, Pakistan. Their team focuses on Market Research and Search Engine Optimization.

    Read more
    View Profile
  • SYSCRYPTION TECHNOLOGIES PRIVATE LIMITED Logotype

    Not yet reviewed

    $250,000+
    $50 - $99 / hr
    50 - 249
    पुणे, India

    Services provided

    10% Custom Software Development
    20% Call Center Services
    10% Application Management & Support +6
    10% Business Consulting
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% Low/No Code Development
    10% Mobile App Development
    10% Web Development

    Focus Areas

    12% Kotlin
    13% AJAX
    13% Ember.js +5
    13% Redux
    13% SQL
    13% Swift
    13% Visual Basic
    10% Objective C

    Founded in 2017, SYSCRYPTION TECHNOLOGIES PRIVATE LIMITED is a telephone answering service. The midsize team focuses on Call Center Services and Custom Software Development.

    Read more
    View Profile
  • Softnix Logotype

    Not yet reviewed

    $10,000+
    < $25 / hr
    10 - 49
    Sugar Land, TX

    Services provided

    25% Custom Software Development
    30% Mobile App Development
    30% Web Development +1
    15% UX/UI Design

    Focus Areas

    25% Kotlin
    25% Swift
    15% JavaScript +3
    15% PHP
    10% Java
    10% Python

    Established in 2020, Softnix is a website development company. Their services include Web Development and Mobile App Development.

    Read more
    View Profile
  • DIGIWEBCLUB Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    New Delhi, India

    Services provided

    20% Custom Software Development
    10% Application Management & Support
    10% CRM Consulting and SI +6
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Web Design
    10% Web Development

    Focus Areas

    30% Kotlin
    30% Objective C
    30% Redux +1
    10% PHP

    DIGIWEBCLUB is a software development company located in New Delhi, India. Established in 2019, the team focuses on Custom Software Development and Enterprise App Modernization.

    Read more
    View Profile
  • Atulyam Technolabs LLP Logotype

    Not yet reviewed

    $10,000+
    < $25 / hr
    2 - 9
    Ahmedabad, India

    Services provided

    40% Mobile App Development
    40% Web Development
    20% AI Development

    Focus Areas

    20% Kotlin
    20% AJAX
    20% Objective C +5
    10% PHP
    10% Python
    10% Swift
    5% C#
    5% Redux

    Founded in 2012, Atulyam Technolabs LLP is a small Ahmedabad, India-based application development firm. Their services include Mobile App Development and Web Development.

    Read more
    View Profile
  • Jagged Perspective Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Makati, Philippines

    Services provided

    10% Custom Software Development
    20% Branding
    20% IT Strategy Consulting +3
    20% Mobile App Development
    20% Web Development
    10% AR/VR Development

    Focus Areas

    25% Kotlin
    25% AJAX
    25% Objective C +1
    25% SQL

    Jagged Perspective is a branding agency founded in 2013. Their services include Branding and IT strategy consulting.

    Read more
    View Profile
  • Bpointer Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Pune, India

    Services provided

    20% Custom Software Development
    20% IT Staff Augmentation
    20% Mobile App Development +6
    10% E-Commerce Development
    10% Web Design
    5% Business Consulting
    5% Search Engine Optimization
    5% Social Media Marketing
    5% Web Development

    Focus Areas

    20% Kotlin
    20% Java
    20% PHP +3
    20% Swift
    10% Other programming & scripting languages
    10% Redux

    Bpointer is an IT staff augmentation company located in Pune, India. Established in 2013, the team offers IT staff augmentation and Custom Software Development.

    Read more
    View Profile
  • AppUnik Logotype

    Not yet reviewed

    $25,000+
    $50 - $99 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    20% Custom Software Development
    35% IT Staff Augmentation
    25% AI Development +2
    10% E-Commerce Development
    10% Generative AI

    Focus Areas

    10% Kotlin
    17% JavaScript
    17% Swift +6
    11% ASP.NET
    11% C#
    11% Java
    11% SQL
    6% AJAX
    6% Other programming & scripting languages

    AppUnik is an IT staff augmentation company established in 2018. The company provides IT staff augmentation and Artificial Intelligence, and is small.

    Read more
    $30,000 Teams modernizing a single module $80,000 Companies migrating to a core platform $200,000 Full platform rebuild from legacy

    Platform Modernization

    Legacy platforms migrated to modern, AI-ready architecture. .NET Framework to .NET Core, monoliths to microservices, desktop apps to web. Delivered for a global education technology leader, a Fortune 500 financial technology company, and enterprise healthcare platforms. No functionality lost in migration.
    View Packages
    View Profile
  • DL Minds LLP Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Surat, India

    Services provided

    60% Web Development
    30% Mobile App Development
    10% IoT Development

    Focus Areas

    20% Kotlin
    35% AJAX
    25% PHP +1
    20% SQL

    Located in Surat, India, DL Minds LLP is a small website development firm. The team provides Web Development and Mobile App Development.

    Read more
    View Profile
  • Afrosoft Holdings Limited Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    50 - 249
    Harare, Zimbabwe

    Services provided

    30% Custom Software Development
    20% BI & Big Data Consulting & SI
    20% IT Strategy Consulting +2
    15% ERP Consulting and SI
    15% Web Development

    Focus Areas

    20% Kotlin
    20% HTML5
    20% Java +2
    20% JavaScript
    20% Typescript

    Afrosoft Holdings Limited is a custom software development company founded in 1999. The company provides Custom Software Development and IT strategy consulting, and is midsize.

    Read more
    View Profile

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Ability to deliver
Focus
Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Empat
2 Futured
3 Geniusee
4 You are launched
5 Droids On Roids
6 Suffescom Solutions Inc
7 Stfalcon
8 Synergy Labs
9 nomtek
10 ArcTouch
11 itCraft
12 NERDZ LAB
13 Ackee
14 TechnoYuga
15 Konstant Infosolutions

List of the Top 15 Kotlin Development Services

  1. Empat Logotype

    Empat

    $10,000+
    $25 - $49 / hr
    250 - 999
    San Francisco, CA

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    35% Custom Software Development
    25% Kotlin
    5% Web Development
    40% Mobile App Development
    20% Other
    View Profile Visit Website
  2. Futured Logotype

    Futured

    $10,000+
    $50 - $99 / hr
    50 - 249
    Brno, Czech Republic

    Ability to deliver

    38.7/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    15% Web Development
    75% Mobile App Development
    10% Other
    View Profile Visit Website
  3. Geniusee Logotype

    Geniusee

    $25,000+
    $25 - $49 / hr
    250 - 999
    Warszawa, Poland

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Custom Software Development
    20% Kotlin
    10% Web Development
    20% Mobile App Development
    30% Other
    View Profile Visit Website
  4. You are launched Logotype

    You are launched

    $10,000+
    $25 - $49 / hr
    50 - 249
    Limassol, Cyprus

    Ability to deliver

    39.8/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Custom Software Development
    30% Kotlin
    50% Mobile App Development
    10% Other
    View Profile Visit Website
  5. Droids On Roids Logotype

    Droids On Roids

    $75,000+
    $50 - $99 / hr
    50 - 249
    Wrocław, Poland

    Ability to deliver

    38.4/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    10% Custom Software Development
    40% Kotlin
    80% Mobile App Development
    10% Other
    View Profile Visit Website
  6. Suffescom Solutions Inc Logotype

    Suffescom Solutions Inc

    $25,000+
    $25 - $49 / hr
    250 - 999
    New York, NY

    Ability to deliver

    39.6/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    40% Mobile App Development
    20% Other
    View Profile Visit Website
  7. Stfalcon Logotype

    Stfalcon

    $10,000+
    $25 - $49 / hr
    50 - 249
    Khmel'nyts'kyi, Ukraine

    Ability to deliver

    36.9/40.0
    17/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    30% Custom Software Development
    50% Kotlin
    40% Mobile App Development
    30% Other
    View Profile Visit Website
  8. Synergy Labs Logotype

    Synergy Labs

    $25,000+
    $50 - $99 / hr
    50 - 249
    Hollywood, FL

    Ability to deliver

    39.5/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    10% Custom Software Development
    30% Kotlin
    10% Web Development
    60% Mobile App Development
    20% Other
    View Profile Visit Website
  9. nomtek Logotype

    nomtek

    $25,000+
    $50 - $99 / hr
    50 - 249
    Wrocław, Poland

    Ability to deliver

    36.7/40.0
    17/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    20% Custom Software Development
    50% Kotlin
    45% Mobile App Development
    10% AR/VR Development
    25% Other
    View Profile Visit Website
  10. ArcTouch Logotype

    ArcTouch

    $100,000+
    $50 - $99 / hr
    250 - 999
    San Francisco, CA

    Ability to deliver

    37.8/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    10% Web Development
    20% Mobile App Development
    70% Other
    View Profile Visit Website
  11. itCraft Logotype

    itCraft

    $25,000+
    $50 - $99 / hr
    50 - 249
    Warszawa, Poland

    Ability to deliver

    37.6/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    50% Custom Software Development
    40% Kotlin
    50% Mobile App Development
    View Profile Visit Website
  12. NERDZ LAB Logotype

    NERDZ LAB

    $5,000+
    $25 - $49 / hr
    50 - 249
    L'viv, Ukraine

    Ability to deliver

    38.9/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    35% Web Development
    35% Mobile App Development
    30% Other
    View Profile Visit Website
  13. Ackee Logotype

    Ackee

    $25,000+
    $50 - $99 / hr
    50 - 249
    Karlín, Czech Republic

    Ability to deliver

    38.2/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    30% Web Development
    60% Mobile App Development
    10% Other
    View Profile Visit Website
  14. TechnoYuga Logotype

    TechnoYuga

    $10,000+
    < $25 / hr
    50 - 249
    New Delhi, India

    Ability to deliver

    39.8/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    25% Custom Software Development
    23% Kotlin
    15% Web Development
    25% Mobile App Development
    35% Other
    View Profile Visit Website
  15. Konstant Infosolutions Logotype

    Konstant Infosolutions

    $5,000+
    $25 - $49 / hr
    250 - 999
    Jaipur, India

    Ability to deliver

    39.8/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    10% Web Development
    60% Mobile App Development
    30% Other
    View Profile Visit Website
  16. Excellent Webworld Logotype

    Excellent Webworld

    $25,000+
    $25 - $49 / hr
    250 - 999
    Lakeville, MN

    Ability to deliver

    36.6/40.0
    16.8/20 Reviews
    9.9/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    15% Custom Software Development
    30% Kotlin
    10% Web Development
    10% Mobile App Development
    15% Enterprise App Modernization
    50% Other
    View Profile Visit Website
  17. CitrusBits Logotype

    CitrusBits

    $50,000+
    $100 - $149 / hr
    50 - 249
    Los Angeles, CA

    Ability to deliver

    36/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    20% Custom Software Development
    55% Kotlin
    40% Mobile App Development
    30% AR/VR Development
    10% Other
    View Profile Visit Website
  18. Sidekick Interactive Logotype

    Sidekick Interactive

    $25,000+
    $100 - $149 / hr
    10 - 49
    Montréal, Canada

    Ability to deliver

    36.9/40.0
    17.4/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    20% Custom Software Development
    50% Kotlin
    20% Web Development
    40% Mobile App Development
    20% Other
    View Profile Visit Website
  19. Tapptitude Logotype

    Tapptitude

    $5,000+
    $25 - $49 / hr
    50 - 249
    Cluj-Napoca, Romania

    Ability to deliver

    39/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    20% Web Development
    50% Mobile App Development
    30% Other
    View Profile Visit Website
  20. WOLFPACK DIGITAL Logotype

    WOLFPACK DIGITAL

    $10,000+
    $50 - $99 / hr
    50 - 249
    Cluj-Napoca, Romania

    Ability to deliver

    39.6/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    45% Web Development
    45% Mobile App Development
    10% Other
    View Profile Visit Website
  21. Lampa Software Logotype

    Lampa Software

    $25,000+
    $25 - $49 / hr
    50 - 249
    Vinnytsia, Ukraine

    Ability to deliver

    38.2/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    30% Web Development
    70% Mobile App Development
    View Profile Visit Website
  22. The NineHertz Logotype

    The NineHertz

    $25,000+
    $25 - $49 / hr
    250 - 999
    Jaipur, India

    Ability to deliver

    38/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    20% Custom Software Development
    20% Kotlin
    20% Mobile App Development
    10% Application Management & Support
    20% Enterprise App Modernization
    30% Other
    View Profile Visit Website
  23. Infinum Logotype

    Infinum

    $50,000+
    $150 - $199 / hr
    250 - 999
    New York, NY

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    20% Custom Software Development
    10% Kotlin
    20% Web Development
    20% Mobile App Development
    40% Other
    View Profile Visit Website
  24. UplineSoft Logotype

    UplineSoft

    $5,000+
    $25 - $49 / hr
    250 - 999
    New York, NY

    Ability to deliver

    38.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    60% Custom Software Development
    15% Kotlin
    40% Other
    View Profile Visit Website
  25. TechAhead Logotype

    TechAhead

    $25,000+
    $25 - $49 / hr
    50 - 249
    Agoura Hills, CA

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    10% Custom Software Development
    15% Kotlin
    50% Mobile App Development
    20% Enterprise App Modernization
    20% Other
    View Profile Visit Website
  26. Jelvix Logotype

    Jelvix

    $50,000+
    $50 - $99 / hr
    250 - 999
    Tallinn, Estonia

    Ability to deliver

    38.9/40.0
    20/20 Reviews
    9.1/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    70% Custom Software Development
    15% Kotlin
    10% Mobile App Development
    20% Other
    View Profile Visit Website
  27. Bolder Apps Logotype

    Bolder Apps

    $5,000+
    $50 - $99 / hr
    50 - 249
    Miami, FL

    Ability to deliver

    37.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    10% Custom Software Development
    30% Kotlin
    10% Web Development
    60% Mobile App Development
    20% Other
    View Profile Visit Website
  28. JPLoft Logotype

    JPLoft

    $10,000+
    $50 - $99 / hr
    50 - 249
    Denver, CO

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    10% Custom Software Development
    15% Kotlin
    10% Web Development
    50% Mobile App Development
    30% Other
    View Profile Visit Website
  29. WEZOM Logotype

    WEZOM

    $50,000+
    $25 - $49 / hr
    250 - 999
    Schaumburg, IL

    Ability to deliver

    39.4/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    30% Custom Software Development
    11% Kotlin
    10% Mobile App Development
    60% Other
    View Profile Visit Website
  30. LeanCode Logotype

    LeanCode

    $25,000+
    $50 - $99 / hr
    50 - 249
    Warszawa, Poland

    Ability to deliver

    39.6/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    15% Custom Software Development
    15% Kotlin
    80% Mobile App Development
    5% Other
    View Profile Visit Website

Latest Kotlin Articles

See all articles
UI Specifications: How to Create a UI Spec Document cover image

UI Specifications: How to Create a UI Spec Document

Updated August 19, 2026
Hannah Hicklen

A UI specifications document defines how every screen in your product looks, behaves, and responds to user input. Here's how to write one that developers...

Development Product Launch
Vibecoding vs. Software Development Agency: When AI-Generated Code Is Enough — and the Seven... cover image

Vibecoding vs. Software Development Agency: When AI-Generated Code Is Enough — and the Seven...

Updated August 6, 2026
Joshua Webber

Is AI-generated code enough, or is it time to bring in real developers? These seven thresholds show you the exact moment when a vibecoded build becomes a...

Development Thought Leadership, Scaling
AI-Assisted Software Development: Productivity Gains vs. Quality Risks cover image

AI-Assisted Software Development: Productivity Gains vs. Quality Risks

Updated July 15, 2026
Kateryna Stankova

AI-assisted software development has already become the everyday practice for the majority of development agencies. This article dives into its benefits and...

Development Thought Leadership

Kotlin Development FAQs

Clutch features companies that build modern Android and cross-platform applications using the Kotlin programming language quarterly based on a proprietary methodology. The top Kotlin development companies for 2026 include:

  1. Futured

  2. Empat

  3. Suffescom Solutions Inc

  4. Geniusee

  5. Droids On Roids

  6. You are launched

  7. Stfalcon

  8. nomtek

  9. Synergy Labs

  10. ArcTouch

  11. Ackee

  12. Excellent Webworld

  13. TechnoYuga

  14. Brainvire Infotech Inc

  15. Sidekick Interactive

Kotlin developers write applications using JetBrains' Kotlin programming language. On the Android side, they build native mobile applications using Jetpack Compose, Android SDK APIs, and modern architecture patterns like MVVM or MVI.

On the backend, Kotlin developers build server-side APIs and microservices using Ktor or Spring Boot. Furthermore, an emerging specialty is Kotlin Multiplatform (KMP), where developers write shared business logic that compiles to both Android and iOS.

Clutch’s verified pricing data shows that a focused Android app build typically ranges from $25,000 – $150,000, depending on factors like its complexity, features, and backend requirements.

Meanwhile, hourly rates for Kotlin development firms range from $25 – $149 per hour, with firms in Eastern Europe and Latin America often on the lower end and North American or Western European firms on the higher end.

Dedicated Kotlin shops maintain deeper expertise than generalist firms that work across many languages. They stay current with JetBrains' release cycle, know which libraries are production-stable versus experimental, and have established patterns for common challenges like coroutine exception handling or Compose state management. This depth typically translates to faster delivery, cleaner architecture, and lower long-term maintenance costs.

Start by outlining your project’s specific requirements and assessing their technical fit; confirm the firm has production Kotlin experience rather than Java teams that have adopted Kotlin syntax superficially.

Then, ask to see Kotlin-specific code samples or open-source contributions, and inquire about their familiarity with Kotlin coroutines, Flow, and Kotlin Multiplatform if relevant. Take a moment to thoroughly review their Clutch profiles and client ratings for projects similar to yours in complexity and industry.

Be cautious of firms that list Kotlin as a skill but whose case studies reference only Java or legacy Android development. Other red flags to watch out for include no mention of testing practices, an inability to discuss architectural patterns like Clean Architecture or MVI, and vague answers about how they handle Kotlin version migrations and library compatibility.

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