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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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5,521 Companies

Programming & Scripting: Kotlin

List of the Top Kotlin Development Services

  • Walqalum Logotype

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

    Services provided

    10% Custom Software Development
    20% E-Commerce Development
    20% Mobile App Development +4
    20% Web Development
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% UX/UI Design

    Focus Areas

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

    𝗪𝗮𝗹𝗤𝗮𝗹𝘂𝗺 is a top custom and dynamic Software Development company that has creatively operated within the international market of Web and mobile development since 2018. It is

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  • Nova Mobile Solutions Logotype

    Nova Mobile Solutions

    Not yet reviewed

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

    Services provided

    20% API Development
    20% Mobile App Development
    20% UX/UI Design +2
    20% Web Design
    20% Web Development

    Focus Areas

    20% Kotlin
    20% Java
    20% JavaScript +2
    20% Python
    20% Swift

    Nova Mobile Solutions, a web design company, is based in Springfield, Virginia and Springfield, Virginia. They specialize in Web Design and UX/UI Design.

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  • TechWizers Logotype

    TechWizers

    Not yet reviewed

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

    Services provided

    10% Custom Software Development
    15% Ecommerce Marketing
    15% Search Engine Optimization +6
    10% AI Development
    10% AR/VR Development
    10% IoT Development
    10% Low/No Code Development
    10% Pay Per Click
    10% Web Design

    Focus Areas

    12% Kotlin
    11% AJAX
    11% ASP +6
    11% ASP.NET
    11% Apex
    11% Ember.js
    11% Other programming & scripting languages
    11% Redux
    11% Visual Basic

    TechWizers, a SEO company, was launched in 2015. In Lucknow, India, the team focuses on Search Engine Optimization and Ecommerce Marketing.

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  • Chirpin Marketing Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Gurugram, India

    Services provided

    15% Branding
    15% E-Commerce Development
    15% Pay Per Click +4
    15% Search Engine Optimization
    15% Social Media Marketing
    15% Web Development
    10% UX/UI Design

    Focus Areas

    30% Kotlin
    35% JavaScript
    35% PHP

    Branding company Chirpin Marketing provides Branding and Social Media Marketing. They are headquartered in Gurugram, India and Gurugram, India.

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  • SV TechnoHub LLP Logotype

    SV TechnoHub LLP

    Not yet reviewed

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

    Services provided

    10% Custom Software Development
    20% Mobile App Development
    10% AR/VR Development +6
    10% Digital Strategy
    10% Graphic Design
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Web Design
    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

    SV TechnoHub LLP, a website development firm, specializes in Web Development and Mobile App Development. The firm is in Ahmedabad, India.

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  • Grewon Technologies Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Surat, India

    Services provided

    10% Custom Software Development
    10% AR/VR Development
    10% Enterprise App Modernization +12
    10% Other Application Development
    10% Search Engine Optimization
    5% Application Testing
    5% E-Commerce Development
    5% Graphic Design
    5% IoT Development
    5% Logo
    5% Mobile & App Marketing
    5% Pay Per Click
    5% Social Media Marketing
    5% UX/UI Design
    5% Web Development

    Focus Areas

    23% Kotlin
    25% Swift
    13% AJAX +3
    13% Objective C
    13% PHP
    13% Python

    Grewon Technologies is a SEO services firm founded in 2018. The agency provides Search Engine Optimization and Custom Software Development, and is small.

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  • Nextr Technology Logotype

    Nextr Technology

    Not yet reviewed

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

    Services provided

    10% Custom Software Development
    30% Web Development
    10% E-Commerce Development +5
    10% Graphic Design
    10% Low/No Code Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    10% Kotlin
    40% PHP
    10% AJAX +4
    10% ASP
    10% ASP.NET
    10% JavaScript
    10% Other programming & scripting languages

    Nextr Technology is a web development firm. Launched in 2019, the agency is located in New Delhi, India. Their team provides Web Development and Search Engine Optimization.

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  • 23 Digital Logotype

    Not yet reviewed

    $1,000+
    $150 - $199 / hr
    50 - 249
    St Kilda, Australia

    Services provided

    40% Search Engine Optimization
    20% Web Design
    20% Web Development +2
    10% Pay Per Click
    10% Social Media Marketing

    Focus Areas

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

    23 Digital is a SEO company. In St Kilda, Australia and Norwest, Australia, the firm was founded in 2007. Their team specializes in Search Engine Optimization and Web Design.

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  • Unified Web Services Logotype

    Unified Web Services

    Not yet reviewed

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

    Services provided

    15% E-Commerce Development
    15% Mobile App Development
    15% Web Design +5
    15% Web Development
    10% Branding
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design

    Focus Areas

    35% Kotlin
    35% Swift
    30% Java

    Unified Web Services is a web design agency. Established in 2021, the company specializes in Web Design and Web Development.

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  • Product Inn Logotype

    Product Inn

    Not yet reviewed

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

    Services provided

    20% Custom Software Development
    20% Mobile App Development
    20% Web Development +10
    10% E-Commerce Development
    5% AI Development
    5% Application Management & Support
    5% Application Testing
    5% IoT Development
    2% Cloud Consulting & SI
    2% Enterprise App Modernization
    2% IT Staff Augmentation
    2% IT Strategy Consulting
    2% Other Application Development

    Focus Areas

    10% Kotlin
    20% Java
    20% JavaScript +5
    10% C++
    10% Go
    10% Python
    10% Ruby
    10% SQL

    Small custom software development company Product Inn, is in Lahore, Pakistan and Abu Dhabi, United Arab Emirates. The team specializes in Custom Software Development and Web Development.

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  • Vaadi Outsourcing Logotype

    Vaadi Outsourcing

    4.5 1 review
    $1,000+
    < $25 / hr
    10 - 49

    Services provided

    10% Custom Software Development
    12% Low/No Code Development
    10% IT Managed Services +14
    10% Social Media Marketing
    10% Web Development
    5% Application Management & Support
    5% Application Testing
    5% Back Office Outsourcing
    5% Content Marketing
    5% E-Commerce Development
    5% Graphic Design
    5% Market Research
    5% Mobile & App Marketing
    5% Search Engine Optimization
    1% Mobile App Development
    1% Other Application Development
    1% Web Design

    Focus Areas

    40% Kotlin
    30% Java
    10% AJAX +2
    10% SQL
    10% Visual Basic

    Vaadi Outsourcing provides web development and Android app development services, demonstrating expertise in PHP and Java technologies. Reviews consistently highlight their experienced and dedicated team, competitive pricing, and effective project management. Clients express satisfaction with their deliverables, noting the company's punctuality, responsiveness, and passion for their work.

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  • Dev Team, Inc Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Burbank, CA

    Services provided

    25% Web Development
    20% Application Testing
    20% Mobile App Development +3
    15% UX/UI Design
    10% AR/VR Development
    10% Blockchain

    Focus Areas

    11% Kotlin
    22% Typescript
    17% SQL +5
    11% C#
    11% Java
    11% Python
    11% Swift
    6% Redux

    Dev Team, Inc, a website development firm, was launched in 2016. They focuses on Web Development and Mobile App Development.

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  • Techxes Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Tiruchirappalli, India

    Services provided

    1% Custom Software Development
    25% Mobile App Development
    15% Web Development +7
    14% Low/No Code Development
    10% AR/VR Development
    10% CRM Consulting and SI
    10% E-Commerce Development
    5% Blockchain
    5% ECM Consulting and SI
    5% IoT Development

    Focus Areas

    15% Kotlin
    25% JavaScript
    20% Python +3
    20% Swift
    15% Java
    5% Redux

    Techxes is a website development firm. The team is based in Tiruchirappalli, India, and their services include Web Development and Mobile App Development.

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  • MindEncoder Logotype

    Not yet reviewed

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

    Services provided

    1% Custom Software Development
    25% Mobile App Development
    15% Web Development +8
    14% Low/No Code Development
    10% UX/UI Design
    10% Web Design
    5% AR/VR Development
    5% Application Management & Support
    5% E-Commerce Development
    5% IoT Development
    5% Product Design

    Focus Areas

    15% Kotlin
    15% PHP
    15% Swift +11
    5% AJAX
    5% ASP.NET
    5% Go
    5% Java
    5% JavaScript
    5% Objective C
    5% Python
    5% Ruby
    5% SQL
    5% Visual Basic
    5% XML

    MindEncoder is a web development firm headquartered in Ahmedabad, India. They focus on Web Development and Mobile App Development and were founded in 2020.

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  • AIPIXEL Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Lahore, Pakistan

    Services provided

    1% Custom Software Development
    20% Mobile App Development
    15% E-Commerce Development +7
    14% Low/No Code Development
    10% Application Testing
    10% Content Marketing
    10% Social Media Marketing
    10% Web Development
    5% Application Management & Support
    5% Mobile & App Marketing

    Focus Areas

    30% Kotlin
    30% SQL
    25% JavaScript +1
    15% C++

    AIPIXEL, a website development company, is in Lahore, Pakistan. They focus on Web Development and Mobile App Development and were founded in 2023.

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  • PlainSight Digital Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer
    Nairobi, Kenya

    Services provided

    30% Custom Software Development
    70% Web Development

    Focus Areas

    30% Kotlin
    70% Typescript

    Based in Nairobi, Kenya, PlainSight Digital is a small web development company. The team provides Web Development and Custom Software Development.

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  • NestedLogics Logotype

    Not yet reviewed

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

    Services provided

    10% Custom Software Development
    10% Branding
    10% E-Commerce Development +7
    10% Graphic Design
    10% Logo
    10% Mobile App Development
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design
    10% Web Development

    Focus Areas

    25% Kotlin
    25% PHP
    25% Swift +1
    25% XML

    Custom software development firm NestedLogics is headquartered in Islamabad, Pakistan. The team offers Custom Software Development and UX/UI Design.

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  • Exaditama Teknologi Kreativa Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    10 - 49
    Bandung, Indonesia

    Services provided

    20% Mobile App Development
    20% Web Development
    10% AI Development +6
    10% Blockchain
    10% E-Commerce Development
    10% UX/UI Design
    10% Web Design
    5% BI & Big Data Consulting & SI
    5% IT Managed Services

    Focus Areas

    20% Kotlin
    20% Python
    20% Swift +4
    10% Java
    10% JavaScript
    10% PHP
    10% SQL

    Exaditama Teknologi Kreativa is a mobile application development company located in Bandung, Indonesia. They focus on Mobile App Development and Web Development.

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  • AlderaSoft Logotype

    AlderaSoft

    Not yet reviewed

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

    Services provided

    20% Mobile App Development
    20% Web Development
    15% AI Development +8
    10% Application Testing
    5% API Development
    5% Application Management & Support
    5% DevOps Managed Services
    5% Microservices Architecture Services
    5% UX/UI Design
    5% Wearable App Development
    5% Web Design

    Focus Areas

    10% Kotlin
    15% JavaScript
    15% Python +8
    10% Ember.js
    10% Java
    10% PHP
    10% Swift
    5% Apex
    5% C#
    5% C++
    5% Ruby

    AlderaSoft is a web development company founded in 2019. Their team specializes in Web Development and Mobile App Development.

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  • aiscelsys Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    50 - 249
    New Delhi, India

    Services provided

    20% Custom Software Development
    15% AI Development
    10% Blockchain +6
    10% Generative AI
    10% IoT Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Web Design
    5% Web Development

    Focus Areas

    15% Kotlin
    15% Objective C
    15% Redux +5
    15% Swift
    10% Java
    10% PHP
    10% Python
    10% SQL

    Launched in 2015, aiscelsys is a midsize artificial intelligence development company. Their services include Artificial Intelligence and Custom Software Development.

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  • 500x Tech Labs Logotype

    500x Tech Labs

    Not yet reviewed

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

    Services provided

    15% Custom Software Development
    20% Mobile App Development
    20% Web Design +4
    15% IT Strategy Consulting
    10% AR/VR Development
    10% Product Design
    10% UX/UI Design

    Focus Areas

    12% Kotlin
    22% HTML5
    22% JavaScript +3
    22% SQL
    11% Redux
    11% Swift

    500x Tech Labs is a web design company based in Mumbai, India. They specialize in Web Design and Mobile App Development and were launched in 2022.

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  • Dodox Studio Logotype

    5.0 2 reviews
    $1,000+
    $50 - $99 / hr
    2 - 9
    Noida, India

    Services provided

    30% Mobile App Development
    30% UX/UI Design
    30% Web Development +1
    10% API Development

    Focus Areas

    10% Kotlin
    35% Typescript
    25% JavaScript +2
    20% Python
    10% PHP

    Dodox is a creative web and mobile app design & development studio helping startups and growing brands bring bold ideas to life. Our solution suite includes: UI/UX Design Web & Mobile

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  • Tryloop Solutions Logotype

    Tryloop Solutions

    5.0 1 review
    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    10% Custom Software Development
    25% Mobile App Development
    25% Web Development +6
    10% Branding
    10% UX/UI Design
    5% E-Commerce Development
    5% Graphic Design
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    10% Kotlin
    50% PHP
    10% ASP.NET +3
    10% HTML5
    10% JavaScript
    10% Swift

    Tryloop Solutions specializes in website and mobile app development, transforming client visions into reality with visually stunning and user-friendly designs. Their reviews highlight a professional, efficient team committed to delivering high-quality results on time and within budget, demonstrating a strong understanding of client requirements and exceptional project management skills.

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  • Fix25 Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Lagos, Nigeria

    Services provided

    20% Custom Software Development
    20% Mobile App Development
    20% Social Media Marketing +3
    20% Web Development
    10% Business Consulting
    10% Financial Consulting

    Focus Areas

    10% Kotlin
    30% Other programming & scripting languages
    30% PHP +2
    20% JavaScript
    10% SQL

    Fix25 is a small software development company established in 2018. Their team provides Custom Software Development and Mobile App Development.

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  • ENTSYS Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Amstelveen, Netherlands

    Services provided

    10% Custom Software Development
    15% Cloud Consulting & SI
    15% IT Strategy Consulting +7
    15% Mobile App Development
    15% Web Development
    10% E-Commerce Development
    5% Application Management & Support
    5% Blockchain
    5% Enterprise App Modernization
    5% IT Staff Augmentation

    Focus Areas

    20% Kotlin
    15% Java
    15% Objective C +6
    15% Python
    10% JavaScript
    10% PHP
    5% Go
    5% Ruby
    5% Swift

    ENTSYS is an IT strategy consulting company. Based in Amstelveen, Netherlands, the team offers IT strategy consulting and cloud consulting & SI.

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  • zappie Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Poznań, Poland

    Services provided

    55% Mobile App Development
    35% UX/UI Design
    10% Web Development

    Focus Areas

    10% Kotlin
    70% Typescript
    10% JavaScript +1
    10% Swift

    Located in Poznań, Poland, zappie is a mobile app development firm. Founded in 2020, the team focuses on Mobile App Development and UX/UI Design.

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  • HeapStash Global Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Islamabad, Pakistan

    Services provided

    20% Custom Software Development
    30% Mobile App Development
    20% Web Design +3
    10% AI Development
    10% UX/UI Design
    10% Web Development

    Focus Areas

    10% Kotlin
    40% Other programming & scripting languages
    20% Python +2
    20% Swift
    10% PHP

    Headquartered in Islamabad, Pakistan, HeapStash Global is an application development firm. Their services include Mobile App Development and Web Design.

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  • Naoit LLC Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Beograd, Serbia

    Services provided

    15% Custom Software Development
    25% Web Development
    20% Computer Engineering +4
    10% AR/VR Development
    10% Architectural Design
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    10% Kotlin
    24% Java
    18% Objective C +3
    18% Other programming & scripting languages
    18% SQL
    12% Python

    Naoit LLC, a custom software development firm, is based in Beograd, Serbia. They provide Custom Software Development and Web Development.

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  • Cog Mobile Logotype

    Cog Mobile

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    100% Mobile App Development

    Focus Areas

    20% Kotlin
    20% HTML5
    20% Java +2
    20% Ruby
    20% Swift

    Cog Mobile is an application development firm. The agency is located in Banchory Devenick, Scotland. Their team specializes in Mobile App Development.

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  • Lionasys Technologies Private Limited Logotype

    Lionasys Technologies Private Limited

    Not yet reviewed

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

    Services provided

    20% Custom Software Development
    20% AI Development
    20% AR/VR Development +2
    20% IoT Development
    20% Mobile App Development

    Focus Areas

    10% Kotlin
    25% Swift
    15% PHP +4
    15% Python
    15% SQL
    10% C#
    10% Redux

    Lionasys Technologies Private Limited is a software development firm founded in 2025. The agency offers Custom Software Development and Mobile App Development.

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  • Techmits Logotype

    Techmits

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

    Services provided

    40% Web Development
    20% E-Commerce Development
    10% Low/No Code Development +3
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    10% Kotlin
    45% Ruby
    25% PHP +3
    10% Redux
    5% Python
    5% SQL

    Techmits is a software development and AI solutions company that helps startups, SMEs, and enterprises build scalable digital products that drive business growth. With over 8 years of industry

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  • LogiClix Tech Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    10 - 49
    New Delhi, India

    Services provided

    20% E-Commerce Development
    20% Mobile App Development
    20% Pay Per Click +2
    20% Search Engine Optimization
    20% Web Development

    Focus Areas

    20% Kotlin
    30% PHP
    20% JavaScript +2
    20% Swift
    10% Java

    LogiClix Tech provides web development services, such as creating booking and data search platforms. Feedback from their clients highlights their impressive project management, timely delivery, and professional communication. Overall, clients are highly satisfied with the quality and reliability of LogiClix Tech's services.

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  • DevelopmentCart Logotype

    4.5 1 review
    $5,000+
    < $25 / hr
    10 - 49
    Rau, India

    Services provided

    30% Web Development
    20% Mobile App Development
    10% Graphic Design +4
    10% IT Staff Augmentation
    10% Low/No Code Development
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    10% Kotlin
    35% JavaScript
    30% Python +2
    15% Java
    10% Redux

    DevelopmentCart specializes in establishing comprehensive project management frameworks and enhancing process efficiency within finance management systems. The reviews consistently highlight their strong commitment to efficiency, adaptability, and clear communication. Clients note their ability to deliver on time, respond proactively to feedback, and improve project management, although more frequent progress updates could enhance transparency.

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  • Brain Above Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    Indore, India

    Services provided

    20% Custom Software Development
    20% Mobile App Development
    10% AI Development +5
    10% Cloud Consulting & SI
    10% IT Strategy Consulting
    10% IoT Development
    10% Other IT Consulting and SI
    10% UX/UI Design

    Focus Areas

    20% Kotlin
    40% JavaScript
    20% Go +1
    20% Python

    Brain Above is a small custom software development company in Indore, India. Their services include Custom Software Development and Mobile App Development.

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  • Sentice Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Skopje, North Macedonia

    Services provided

    10% Custom Software Development
    15% IoT Development
    15% Mobile App Development +7
    15% Other Application Development
    15% Web Development
    10% Application Management & Support
    10% Application Testing
    7% E-Commerce Development
    2% AI Development
    1% Blockchain

    Focus Areas

    10% Kotlin
    10% C
    10% Java +7
    10% JavaScript
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Swift

    Sentice is a Skopje, North Macedonia-based IoT development company. The team provides IoT development and Mobile App Development.

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  • Buddha Innovations Tech Logotype

    Not yet reviewed

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

    Services provided

    30% UX/UI Design
    25% Web Development
    15% Mobile App Development +3
    10% Branding
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    20% Kotlin
    30% JavaScript
    20% Redux +3
    10% Python
    10% SQL
    10% Typescript

    Buddha Innovations Tech is a small user experience company based in Butwal, Nepal. The team provides UX/UI Design and Web Development.

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  • GETit built Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Kraków, Poland

    Services provided

    35% Custom Software Development
    35% UX/UI Design
    30% Product Design

    Focus Areas

    25% Kotlin
    25% C#
    25% Java +1
    25% JavaScript

    GETit built, an user experience design company, is located in Kraków, Poland. Established in 2018, the team offers UX/UI Design and Custom Software Development.

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  • Sahana System Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    25% Mobile App Development
    25% UX/UI Design
    25% Web Development +2
    15% Branding
    10% AI Development

    Focus Areas

    10% Kotlin
    15% PHP
    10% JavaScript +10
    10% Objective C
    10% Python
    10% SQL
    10% Swift
    9% AJAX
    5% Typescript
    3% ASP.NET
    3% C#
    3% XML
    2% ASP

    Sahana System Pvt. Ltd. Is an UX company founded in 2012. Their services include UX/UI Design and Web Development.

    Read more
    View Profile
  • Digital Capra Logotype

    Not yet reviewed

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

    Services provided

    10% Custom Software Development
    25% Web Development
    15% E-Commerce Development +4
    15% Mobile App Development
    15% UX/UI Design
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% Kotlin
    20% PHP
    15% JavaScript +4
    15% Python
    15% Ruby
    15% SQL
    10% AJAX

    Small web development firm Digital Capra, is in Karachi, Pakistan. The team provides Web Development and Web Design.

    Read more
    View Profile
  • V4-LAB SOFTWARE SOLUTIONS PRIVATE LIMITED Logotype

    Not yet reviewed

    $100,000+
    $25 - $49 / hr
    10 - 49
    New Delhi, India

    Services provided

    10% Custom Software Development
    20% Web Design
    20% Web Development +5
    10% CRM Consulting and SI
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Social Media Marketing
    10% UX/UI Design

    Focus Areas

    20% Kotlin
    20% PHP
    20% Redux +4
    10% Java
    10% JavaScript
    10% Python
    10% Ruby

    V4-LAB SOFTWARE SOLUTIONS PRIVATE LIMITED is a web design company. Their team is in New Delhi, India. The firm provides Web Design and Web Development.

    Read more
    View Profile
  • Haqto Technologies Logotype

    Haqto Technologies

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49

    Services provided

    10% Custom Software Development
    10% Application Management & Support
    10% Application Testing +7
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% Low/No Code Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Wearable App Development
    10% Web Development

    Focus Areas

    10% Kotlin
    10% AJAX
    10% ASP +7
    10% JavaScript
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Typescript
    10% XML

    Haqto Technologies is a SEO agency. Launched in 2018, the team provides Search Engine Optimization and Custom Software Development. The company is headquartered in Coimbatore, India.

    Read more
    View Profile
  • BirlTex Logotype

    BirlTex

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    10% Custom Software Development
    20% Mobile App Development
    20% Web Development +5
    10% API Development
    10% IT Managed Services
    10% Low/No Code Development
    10% Other Application Development
    10% UX/UI Design

    Focus Areas

    10% Kotlin
    15% Java
    15% PHP +6
    10% AJAX
    10% HTML5
    10% JavaScript
    10% Python
    10% SQL
    10% jquery

    Founded in 2021, BirlTex is a software development firm. The team specializes in Custom Software Development and Web Development and is located in Nairobi, Kenya.

    Read more
    View Profile
  • Swapn Softech Logotype

    Swapn Softech

    Not yet reviewed

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

    Services provided

    10% Custom Software Development
    20% E-Commerce Development
    20% Mobile App Development +5
    20% Web Development
    10% Low/No Code Development
    10% Other Application Development
    5% Application Testing
    5% Wearable App Development

    Focus Areas

    10% Kotlin
    20% ASP.NET
    20% JavaScript +4
    20% PHP
    10% Other programming & scripting languages
    10% Python
    10% Swift

    Swapn Softech is an e-commerce development company. The Ahmedabad, India-based team offers E-Commerce Development and Mobile App Development.

    Read more
    View Profile
  • Bluestream Software Solutions Logotype

    Not yet reviewed

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

    Services provided

    10% Custom Software Development
    20% Mobile App Development
    10% Direct Marketing +13
    10% Low/No Code Development
    10% Web Development
    7% DevOps Managed Services
    6% UX/UI Design
    5% Demand Generation Marketing
    5% Mobile & App Marketing
    4% API Development
    3% Social Media Marketing
    2% Conversion Optimization
    2% Digital Strategy
    2% E-Commerce Development
    2% Logo
    2% Microservices Architecture Services

    Focus Areas

    20% Kotlin
    20% HTML5
    20% JavaScript +3
    20% Typescript
    10% Java
    10% jquery

    Application development firm Bluestream Software Solutions was founded in 2019. The company offers Mobile App Development and Custom Software Development, and is small.

    Read more
    View Profile
  • Remocapp Logotype

    Not yet reviewed

    $10,000+
    < $25 / hr
    10 - 49
    Sydney, Australia

    Services provided

    40% AI Development
    20% Generative AI
    10% AI Consulting +3
    10% Low/No Code Development
    10% Mobile App Development
    10% Web Design

    Focus Areas

    50% Kotlin
    50% Ember.js

    Remocapp is an artificial intelligence company. Their small team of employees is headquartered in Sydney, Australia. Their team specializes in Artificial Intelligence and Generative AI.

    Read more
    View Profile
  • TechAbbot Technology Services Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    10% Custom Software Development
    20% Mobile App Development
    10% API Development +6
    10% DevOps Managed Services
    10% Enterprise App Modernization
    10% Low/No Code Development
    10% Microservices Architecture Services
    10% Other Application Development
    10% Web Development

    Focus Areas

    10% Kotlin
    10% ASP.NET
    10% C# +7
    10% HTML5
    10% JavaScript
    10% Other programming & scripting languages
    10% PHP
    10% SQL
    10% Typescript
    10% jquery

    TechAbbot Technology Services Pvt. Ltd. Is an Ahmedabad, India-based custom software development firm. Their services include Custom Software Development and Mobile App Development.

    Read more

    More responsive than most other service providers

    TechAbbot Technology Services Pvt. Ltd. is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile
  • Delphi Technologies Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    London, England

    Services provided

    20% Custom Software Development
    20% Digital Strategy
    20% Product Design +2
    20% Product Marketing
    20% Web Development

    Focus Areas

    20% Kotlin
    20% ASP.NET
    20% JavaScript +2
    20% PHP
    20% Swift

    Delphi Technologies is a Digital Strategy company in London, England. The team specializes in Digital Strategy and Product Design.

    Read more
    View Profile
  • Modern Softtech Logotype

    Not yet reviewed

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

    Services provided

    20% Mobile App Development
    20% UX/UI Design
    20% Web Design +3
    20% Web Development
    10% Branding
    10% Product Design

    Focus Areas

    20% Kotlin
    20% JavaScript
    20% Redux +3
    20% Typescript
    10% HTML5
    10% PHP

    Web design company Modern Softtech focuses on Web Design and UX/UI Design. They were founded in 2020.

    Read more
    View Profile
  • Ira Technologies India Pvt Ltd Logotype

    Ira Technologies India Pvt Ltd

    Not yet reviewed

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

    Services provided

    30% Custom Software Development
    50% AI Development
    20% Mobile App Development

    Focus Areas

    10% Kotlin
    10% ASP.NET
    10% C# +8
    10% Java
    10% JavaScript
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Redux
    5% backbone.js
    5% jquery

    Located in Noida, India, Ira Technologies India Pvt Ltd is a small AI firm. Their services include Artificial Intelligence and Custom Software Development.

    Read more
    View Profile
  • TechCreeps Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Kalispell, MT

    Services provided

    50% Web Development
    25% Search Engine Optimization
    25% Web Design

    Focus Areas

    10% Kotlin
    20% PHP
    10% AJAX +6
    10% HTML5
    10% JavaScript
    10% Perl
    10% Python
    10% Swift
    10% Typescript

    TechCreeps is a web development firm. They provide Web Development and Search Engine Optimization and were launched in 2017.

    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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