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Home Software Developers Kotlin Finland

Top Kotlin Developers in Finland

Ratings Updated: April 3, 2026
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3 Leaders 3 Contenders

6 Companies

Country: Finland
Programming & Scripting: Kotlin

List of the Top Finland Kotlin Development Services

  • Halo Lab Logotype

    4.9 94 reviews
    Premier Verified
    $10,000+
    $25 - $49 / hr
    50 - 249
    Espoo, Finland

    Services provided

    10% Custom Software Development
    10% Application Management & Support
    10% Branding +7
    10% Graphic Design
    10% IT Staff Augmentation
    10% Low/No Code Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    10% Web Development

    Focus Areas

    10% Kotlin
    10% Ember.js
    10% HTML5 +7
    10% JavaScript
    10% Redux
    10% Ruby
    10% SQL
    10% Typescript
    10% backbone.js
    10% jquery

    Halo Lab is a Custom Software Development company that excels in tailored software solutions, offering services such as UI/UX design, frontend and backend development, and branding. Their reviews reflect outstanding project management and communication skills, with 100% of reviewers praising their responsiveness and professionalism. Clients consistently highlight Halo Lab's ability to deliver quality results promptly and their commitment to exceeding project milestones.

    See all 94 projects

    Reviews mention Translate ideas into products

    Clients have expressed high satisfaction with Halo Lab's ability to translate ideas into products, noting their exceptional dedication and attention to detail. One client highlighted the team's thorough research and analysis, which informed comprehensive UI/UX design concepts that enhanced user engagement. The logos created were described as simple yet impactful, perfectly reflecting the brand's essence. Overall, the sentiment is overwhelmingly positive, emphasizing effective communication and alignment with client vision throughout the project.
    • Website Re-Design and Development for an E-Commerce Tech Co.
      5.0 Dec 16, 2021

      Finally, they leveraged their design experience to create better solution options for us to choose from than what we initially intended. This highlights their ability to effectively translate ideas into practical and improved products. Additionally, if you have very specific objectives in mind and an idea of what problems you want to solve, and what, generally, you want to speak to, then you’re in good shape.

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    5 of 5 Custom Software Development reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    UI/UX Design & Mobile App Dev for Wellness App Co

    5.0 — Halo Lab provides UI/UX design and mobile app development services for a wellness app company. The team is tasked with creating custom UI/UX designs per the client's requirements. Read more
    Read 5 Reviews

    Industry Experience

    Halo Lab has demonstrated substantial expertise across various industries, including Financial Services, Advertising & Marketing, Medical, Media, Real Estate, and Information Technology. Clients consistently commend their project management, responsiveness, and creativity in delivering high-quality designs and branding. Financial Services clients appreciate their branding and website redesign capabilities, while those in Advertising emphasize their alignment with marketing goals. In Medical and IT, their UI/UX designs received accolades for enhancing user engagement. Overall, Halo Lab excels in delivering tailored solutions that drive success across diverse sectors.

    Read All Reviews

    Select Industry to see insights

    Financial services Information technology Real estate Retail Arts, entertainment & music Construction Software Healthcare Nonprofit IT Services Telecommunications Logistics & Supply Chain Automotive Transportation Social Networking Wellness & Fitness Education Gaming Other Industry Beauty & Cosmetics Consumer Products Advertising & marketing Business services Media Medical

    Average Project Cost Breakdown

    $10,000 to $49,000 (39) $50,000 to $199,999 (13) Less than $10,000 (10) $200,000 to $999,999 (2)

    What Clients Have Said

    Clients consistently praised Halo Lab for their cost-effectiveness and the value they provide, with many noting that their pricing fits within budget constraints while delivering high-quality work. Feedback highlighted the company's ability to meet deadlines and adapt quickly to client needs, creating a smooth project management experience. One client specifically mentioned, "Good value for cost," while another stated, "Their pricing fit our budget," indicating a strong sentiment regarding affordability and perceived value.
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  • Siili Solutions Logotype

    4.9 7 reviews
    $50,000+
    $50 - $99 / hr
    250 - 999
    Helsinki, Finland

    Services provided

    15% Custom Software Development
    25% Web Development
    15% AI Consulting +3
    15% AI Development
    15% IT Staff Augmentation
    15% UX/UI Design

    Focus Areas

    10% Kotlin
    10% ASP.NET
    10% C# +7
    10% Java
    10% JavaScript
    10% Other programming & scripting languages
    10% Python
    10% SQL
    10% Swift
    10% Typescript

    Siili Solutions is a distinguished provider of custom software development services, specializing in tailored and full-stack software development. The company has received overwhelmingly positive feedback, with clients highlighting their excellent project management, deep domain expertise, and proactive collaboration. Approximately 90% of reviewers emphasize Siili Solutions' ability to deliver high-quality, cost-effective solutions and their seamless integration with client teams.

    See all 7 projects

    Reviews mention Communicative

    Clients consistently praised Siili Solutions for their outstanding communication skills. One client noted that their developer excelled in both internal and client communication, demonstrating a proactive approach to project responsibilities. Another highlighted the clarity of communication throughout the project management process, which was crucial for meeting deadlines and maintaining budget control. Overall, the sentiment regarding communication is highly positive, with no significant areas for improvement identified.
    • Digital Mktg, UX/UI Design & QA for Holiday Resort Operator
      4.5 Jun 17, 2025

      Project management went well overall: the schedule and budget were largely kept under control, and communication was clear. The primary forms of communication with Siili Solutions included In-Person Meeting, Virtual Meeting, and Email or Messaging App.

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    • Staff Aug & Software Dev for Software Dev Firm
      5.0 Dec 23, 2025

      The developer we worked with was great at communication (both internally and with the client) and took a lot of responsibility for the whole project and its successful delivery. Even though he worked for us as a contractor, he behaved like a regular employee who cared about the client and us as a company and proactively thought about how he could help. We mainly communicated through virtual meetings, emails, and messaging apps.

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    2 of 2 reviews are 5 stars
    2 new reviews for Custom Software Development services
    Unknown avg. project cost

    Reviewed 2 times in the past 6 months

    Recent client feedback for Siili Solutions reflects a strong overall sentiment, highlighting their effective communication and professionalism. A COO noted the successful delivery of a middleware API project, praising the developer's responsibility and client care. Meanwhile, a product owner from KONE Corporation commended their full-stack application development, emphasizing the positive impact on digitalization and service adoption. Both clients reported no areas for improvement, reinforcing Siili Solutions' value and alignment with client goals.
    Read 2 Recent Reviews

    Average Project Cost Breakdown

    What Clients Have Said

    The feedback regarding Siili Solutions' cost and value for money is predominantly positive. Clients frequently noted that Siili provided excellent value relative to their pricing, with one stating they chose Siili due to their 'good value for cost' and another highlighting that their 'pricing fit our budget.' Overall, clients appreciated the quality of service and expertise provided, indicating that the cost was justified by the successful outcomes and effective project management.
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    More responsive than most other service providers

    Siili Solutions is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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  • Wunderdog Logotype

    4.5 2 reviews
    $10,000+
    $100 - $149 / hr
    50 - 249
    Helsinki, Finland

    Services provided

    25% Custom Software Development
    20% IT Strategy Consulting
    20% Web Development +7
    10% IT Staff Augmentation
    10% UX/UI Design
    5% E-Commerce Development
    5% Mobile App Development
    2% Enterprise App Modernization
    2% Other Application Development
    1% Application Testing

    Focus Areas

    10% Kotlin
    10% Ember.js
    10% Java +7
    10% JavaScript
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Swift
    10% Typescript
    10% UnrealScript

    Wunderdog is a custom software development company known for its tailored solutions and expertise in software engineering. The reviews highlight their ability to provide well-fitting solutions, with 100% positive feedback emphasizing their impact in accelerating project timelines and effectively addressing staffing challenges in specialized roles. Their approach is characterized by seamless integration and strong team collaboration.

    See all 2 projects

    Reviews mention Professional

    Wunderdog received positive feedback regarding their professionalism, particularly in communication and project management. A client noted the impressive arrangement of regular meetings with a delivery manager who actively sought feedback throughout the project. The interim CTO provided valuable support during a critical period, allowing ongoing development to proceed smoothly. Overall, the sentiment reflects a high level of satisfaction with Wunderdog's professional approach and responsiveness.
    • Staff Augmentation for Event Venue & Service Company
      4.5 Aug 17, 2022

      I was impressed by the way they arranged regular meetings. It is with a delivery manager who would ask continuous feedback about the project.

      Read Full Review
    Read All Reviews
    0 of 1 Custom Software Development reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Staff Augmentation for News & Discovery Platform

    4.5 — Wunderdog augmented the in-house AI team of a news and discovery platform. They helped develop and implement key features for the client's app. Read more
    Read 1 Review

    Average Project Cost Breakdown

    $50,000 to $199,999 (1)

    What Clients Have Said

    Clients generally perceive Wunderdog as providing good value for money, noting their ability to deliver skilled professionals promptly. One client highlighted their satisfaction with a developer who helped expedite project timelines, emphasizing that the right talent was available when needed. Another client appreciated the company's effective communication and ongoing support, which contributed to seamless project management. Overall, the sentiment reflects a positive view of cost-effectiveness and the quality of service provided.
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    Finland (1) Germany (1)
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  • Emphasoft Nordic Logotype

    4.8 2 reviews
    $10,000+
    $50 - $99 / hr
    50 - 249
    Espoo, Finland

    Services provided

    90% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    20% Kotlin
    50% Python
    30% Swift

    Emphasoft Nordic offers bespoke software development, with a focus on tailored software solutions including backend platforms and native applications. Reviews consistently highlight their ability to meet tight deadlines, excellent communication, and strong partnership values. Clients appreciate their expertise and integration into the team, deeming them a valuable asset for custom software development projects.

    See all 2 projects

    Industry Experience

    Emphasoft Nordic has demonstrated expertise primarily within the Information Technology sector, particularly in developing consumer software focused on internet privacy and productivity. Feedback highlights their strengths in delivering high-quality front-end applications and backend services, with a commitment to timely project completion and effective communication. Overall, clients express satisfaction with their collaborative approach and value, suggesting that they are well-suited for technology-driven projects emphasizing user privacy and data management.

    Read All Reviews

    Select Industry to see insights

    Information technology

    Average Project Cost Breakdown

    What Clients Have Said

    Clients have praised Emphasoft Nordic for providing high-quality work at a reasonable cost, highlighting the company's good value for money. One review specifically noted the 'good value for cost' in their decision to hire Emphasoft Nordic. Additionally, while overall sentiment is positive regarding pricing, a suggestion for improvement was made regarding more flexible pricing options, indicating that while clients are satisfied, they see potential for further enhancement in this area.
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  • Arado Oy Logotype

    Not yet reviewed

    $75,000+
    $50 - $99 / hr
    10 - 49
    Turku, Finland

    Services provided

    25% Custom Software Development
    30% Web Development
    25% IT Managed Services +2
    10% Application Management & Support
    10% Mobile App Development

    Focus Areas

    13% Kotlin
    13% C
    13% C# +5
    13% C++
    12% Python
    12% SQL
    12% Swift
    12% Visual Basic

    Arado Oy is a web development firm. They specialize in Web Development and Custom Software Development and were launched in 2014.

    Read more
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  • Unikie Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Tampere, Finland

    Services provided

    20% Custom Software Development
    20% Web Development
    15% Cybersecurity +4
    15% Mobile App Development
    10% AI Development
    10% Cloud Consulting & SI
    10% UX/UI Design

    Focus Areas

    10% Kotlin
    10% C
    10% C# +7
    10% C++
    10% Java
    10% JavaScript
    10% Objective C
    10% PHP
    10% Python
    10% Swift

    Founded in 2015, Unikie, a midsize software development company, is located in München, Germany and Tampere, Finland. Their services include Custom Software Development and Web Development.

    Read more

    Tampere, Finland

    Hermia 11, 3rd floor Hermiankatu 1
    Tampere, Finland 33720

    201 - 250

    +358 293.700.720

    See All Locations (12)
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1 Siili Solutions
2 Wunderdog
3 Emphasoft Nordic

List of the Top 3 Finland Kotlin Development Services

  1. Siili Solutions Logotype

    Siili Solutions

    $50,000+
    $50 - $99 / hr
    250 - 999
    Helsinki, Finland

    Ability to deliver

    30/40.0
    18.6/20 Reviews
    5.6/10 Clients & Experience
    5.8/10 Market Presence

    Service focus

    15% Custom Software Development
    10% Kotlin
    25% Web Development
    60% Other
    View Profile Visit Website
  2. Wunderdog Logotype

    Wunderdog

    $10,000+
    $100 - $149 / hr
    50 - 249
    Helsinki, Finland

    Ability to deliver

    22.8/40.0
    14.6/20 Reviews
    2.7/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    25% Custom Software Development
    10% Kotlin
    20% Web Development
    5% Mobile App Development
    2% Enterprise App Modernization
    48% Other
    View Profile Visit Website
  3. Emphasoft Nordic Logotype

    Emphasoft Nordic

    $10,000+
    $50 - $99 / hr
    50 - 249
    Espoo, Finland

    Ability to deliver

    18.8/40.0
    14.8/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    90% Custom Software Development
    20% Kotlin
    10% Other
    View Profile Visit Website
  4. Arado Oy Logotype

    Arado Oy

    $75,000+
    $50 - $99 / hr
    10 - 49
    Turku, Finland

    Ability to deliver

    7.6/40.0
    0/20 Reviews
    2.4/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    25% Custom Software Development
    13% Kotlin
    30% Web Development
    10% Mobile App Development
    10% Application Management & Support
    25% Other
    View Profile Visit Website
  5. Unikie Logotype

    Unikie

    Undisclosed
    Undisclosed
    250 - 999
    Tampere, Finland

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Custom Software Development
    10% Kotlin
    20% Web Development
    15% Mobile App Development
    45% Other
    View Profile Visit Website
  6. Halo Lab Logotype

    Halo Lab

    $10,000+
    $25 - $49 / hr
    50 - 249
    Espoo, Finland

    Ability to deliver

    39.3/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    10% Custom Software Development
    10% Kotlin
    10% Web Development
    10% Mobile App Development
    10% Application Management & Support
    60% Other
    View Profile Visit Website

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