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Top Java Developers in Helsinki

Ratings Updated: May 31, 2026

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7 Leaders 11 Contenders

18 Companies

Country: Finland

City: Helsinki

Programming & Scripting: Java

List of the Top Helsinki Java Development Companies

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Digis, a Fiverr company (NYSE: FVRR)

4.9 90 reviews
Premier Verified

$5,000+

$25 - $49 / hr

50 - 249

Serves Helsinki, Finland

Services provided

40% Custom Software Development

40% Web Development

20% IT Staff Augmentation

Focus Areas

10% Java

10% ASP.NET

10% C# +7

10% JavaScript

10% PHP

10% Python

10% Rust

10% SQL

10% Scala

10% Swift

Digis, a Fiverr company (NYSE: FVRR), specializes in bespoke software development, offering tailored software solutions and full stack software development services. Clients highlight their exceptional project management, reliability, and seamless integration into teams, with 100% positive feedback regarding their technical expertise and communication. Notably, 70% of reviews mention their strong cultural fit and value for cost.

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Reviews mention Openness
The feedback indicates a strong sentiment of openness from the company, with clients appreciating their proactive communication and willingness to address questions and suggestions. One client noted, "communication went great, they also suggested how we can improve things from our side to make the programming process faster," highlighting the collaborative approach. Overall, clients feel supported and valued throughout the project, reflecting a positive experience with the company's transparency and engagement.

Web App Dev for B2B Market Research Platform

4.5 Apr 17, 2024

The developers working with us were an integral part of the team, and needs and progress was discussed on a daily basis. From a relationship management perspective, Digis is always very responsive, open, and willing to find alternatives when necessary. How the relationship is managed. Tania has been great throughout the entire process and I feel like I can rely on her.
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4 of 4 reviews are 5 stars

1 new review for Custom Software Development services

$10,000 – $49,000 avg. project cost

Reviewed 4 times in the past 6 months
In recent reviews, clients have expressed high satisfaction with Digis, a Fiverr company (NYSE: FVRR), highlighting their impressive responsiveness and developer quality. For instance, Brand Rebel Media noted a 40-50% improvement in project delivery times, while Shree Collective praised rapid scaling of resources. ATK's Engineering Manager remarked on effective project management and a significant reduction in bug backlog. Overall, clients consistently commend Digis for their reliability and alignment with company values, with no requested areas for improvement.
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2 of 2 Java reviews are 5 stars

1 new review for Java in past 6 months

Unknown avg. project cost

Java Experience

Overall feedback for Digis in the Java service is highly positive, with 100% of reviewers noting effective communication, timely delivery, and strong expertise. Clients praised their ability to deliver MVPs, support maintenance, and develop new features, highlighting a seamless collaboration. Notably, one client emphasized Digis as the best agency experience in two years, reflecting high client satisfaction. Areas for improvement were minimal, with clients suggesting more proactive solutions to enhance efficiency. Their commitment to client needs and project management stands out as a strong theme.
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Industry Experience

Digis has demonstrated proficiency across diverse sectors, including Advertising & Marketing, Information Technology, Media, Manufacturing, and Financial Services. Clients consistently highlight their expertise in frontend and backend development, rapid project delivery, and effective communication. Industries such as Media and Information Technology report significant efficiencies and enhanced user experiences through Digis' contributions, while clients in Advertising & Marketing appreciate the scalability of their solutions. Overall, the provider is well-suited for projects requiring technical depth and agile collaboration across various sectors.
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Human Resources Software Consulting Information technology Telecommunications Education Other industries Financial services Retail Other Industry Automotive IT Services Energy & natural resources Gaming Transportation Business services Real estate Legal Arts, entertainment & music Wellness & Fitness Manufacturing Media Advertising & marketing eCommerce

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Altoros

4.8 34 reviews

$25,000+

$50 - $99 / hr

250 - 999

Helsinki, Finland

Services provided

25% Custom Software Development

40% Blockchain

10% Enterprise App Modernization +4

10% Web Development

5% IT Staff Augmentation

5% Microservices Architecture Services

5% Mobile App Development

Focus Areas

15% Java

20% ASP.NET

20% C# +7

15% JavaScript

5% Kotlin

5% Objective C

5% Python

5% SQL

5% Swift

5% Typescript

Altoros is a bespoke software development company that excels in delivering tailored software solutions, particularly in the domains of software engineering and end-to-end software development. Feedback from reviewers indicates a high level of satisfaction, with approximately 90% expressing positive experiences, highlighting Altoros' professionalism, communication, and expertise. Common themes include their ability to deliver projects on time and the quality of their staff, making them a reliable choice for complex software development needs.

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Reviews mention Innovative
Clients consistently highlight Altoros' innovative capabilities, particularly in problem-solving and knowledge sharing. One CTO noted their role as a 'go-to for innovative answers,' emphasizing their ability to provide solutions where others fail. Another review praised the team's 'professional and innovative work' within a collaborative framework. Overall, the sentiment surrounding Altoros is overwhelmingly positive, with clients appreciating their fast learning and unique insights into complex challenges.

React & Java Dev for AgtTech Company

5.0 Mar 13, 2024

The team demonstrated professional and innovative work, in a very friendly and collaborative manner with the existing team.
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Big Data Work for IT Corporation

5.0 Jan 30, 2014

They have a lot of data knowledge, and their innovation is great. They always find new ideas and tell me things that I never knew. They are stronger than most Big Data firms because they are finding revolutionary ways to harness the power of data.
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Industry Experience

Altoros has demonstrated expertise across diverse industries, including Financial Services, Agriculture, Food & Beverages, Software, and Healthcare. Client feedback highlights their strengths in staff augmentation, project management, and technical capabilities, with a strong emphasis on timely delivery and effective communication. Overall sentiment is positive, indicating their ability to scale solutions and enhance project outcomes, making them a suitable partner for organizations seeking robust development support.
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Financial services Agriculture Food & Beverages Software Engineering Healthcare IT Services Advertising & marketing Other Industry Information technology Research Media Consumer Products

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1 of 1 Helsinki-based review is 5 stars

$50,000 – $199,999 avg. project cost for Custom Software Development services in Helsinki

Custom Software Development project highlight

Staff Aug, Software Dev & UX/UI Design for FinTech Company
5.0 — Altoros provided staff augmentation for a fintech company. The team refactored the client's app, migrated it to Heroku, set up CI/CD processes, renewed the solution's UX/UI, and provided support. Read more
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Review Rating from Clients

5.0/5.0

Quality

4.5

Schedule

4.5

Cost

4.5

Willing to Refer

5.0

In Espoo, clients commend Altoros for delivering custom SaaS and mobile apps efficiently, with a focus on innovative development and clear communication. Their ability to meet deadlines and adapt to project needs demonstrates deep technical expertise and a commitment to client success.
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Knowit

4.6 6 reviews

Undisclosed

Undisclosed

1,000 - 9,999

Helsinki, Finland

Services provided

30% Custom Software Development

30% IoT Development

20% Mobile App Development +2

10% Application Testing

10% Web Development

Focus Areas

30% Java

30% ASP.NET

10% C +3

10% C++

10% JavaScript

10% Other programming & scripting languages

Knowit is a comprehensive software development company, recognized for its expertise in end-to-end software development, including cloud-based solutions and web-based applications. Across multiple reviews, clients consistently highlight Knowit's proactive project management and effective communication, with no significant areas for improvement noted. Approximately 90% of reviewers commend Knowit's ability to meet tight deadlines and deliver quality, tailored software development solutions.

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Reviews mention Trustworthy
The feedback regarding Cybercom reflects a strong sentiment of trustworthiness. Clients highlighted the company's commitment to building long-term, trust-based relationships, exemplified by their patience during the client's restructuring process. The project manager emphasized Cybercom's open-mindedness and customer-oriented approach, ensuring a collaborative environment. Overall, the client found the engagement to be valuable, noting that Cybercom's advisory expertise helped avoid potential pitfalls, reinforcing their reliability and trustworthiness in project execution.

Web & Mobile Development For Mechanical Engineering Firm

4.5 Aug 11, 2016

When we initially started our collaboration with Cybercom, we couldn't immediately begin development because our company was going through a restructuring process. Cybercom waited patiently for us and provided support for me in selling the concept internally. I could tell that Cybercom aimed to build a long-term, trust-based relationship with us.
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Industry Experience

Knowit exhibits strong expertise across multiple industries, notably Healthcare, Manufacturing, and IT Services. In Healthcare, they received praise for their innovative cloud solutions that enhance medical training accessibility. In Manufacturing, clients valued their fast implementation of IoT technologies, significantly reducing operational costs. Their work in IT Services demonstrated reliability and effective collaboration in developing complex applications. Overall, Knowit's strengths in cloud connectivity, software development, and project management make them a suitable partner for organizations seeking technological advancements across these sectors.
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Healthcare Manufacturing IT Services Other Industry

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England (2) Germany (1) Sweden (1) Switzerland (1) United States (1)

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Helsinki, Finland

Tehtaankatu 27-29
Helsinki, Finland 00150
41 - 49

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Siili Solutions

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% Java

10% ASP.NET

10% C# +7

10% JavaScript

10% Kotlin

10% Other programming & scripting languages

10% Python

10% SQL

10% Swift

10% Typescript

Siili Solutions is a bespoke software development company specializing in custom software creation and full-stack software development. Across multiple reviews, they are praised for their professionalism, timely delivery, and strong project management. With over 90% positive feedback, clients commend their ability to integrate seamlessly with existing teams and deliver tailored software solutions that exceed expectations.

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Reviews mention Well-organized projects
Clients have consistently praised Siili Solutions for their well-organized project management, highlighting their ability to effectively track progress and adapt to changing requirements. One client noted, 'Project management was excellent...they were able to stay on track and continue working and delivering' despite pivots in direction. Overall, the sentiment reflects strong satisfaction with Siili's structured approach and dedication to meeting project goals.

Staff Augmentation for Software Company

5.0 May 20, 2025

Project management was excellent. They were well organized and tracked everything as well as anyone could. During the project there were many times we had to pivot and go in a different direction, and they were able to stay on track and continue working and delivering.
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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 reviews for Siili Solutions reflect a high level of client satisfaction, emphasizing their professionalism and effective project management. A product owner from KONE Corporation noted their successful development of a mobile web application, highlighting timely delivery and a positive cultural fit. Similarly, a COO from a tech consulting firm praised the expertise of a developer who led an API project, demonstrating strong communication and responsibility. Overall, clients reported impressive outcomes with no noted areas for improvement.
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1 of 1 Java reviews is 5 stars

1 new review for Java in past 6 months

Unknown avg. project cost

Java Experience

Siili Solutions has received positive feedback for their Java services, with 100% of reviewers expressing satisfaction regarding project delivery and developer expertise. Clients highlighted the provider's strong communication skills and project leadership, noting that developers acted with a sense of ownership akin to internal employees. All feedback indicated a successful collaboration, with no areas for improvement mentioned. Overall, Siili Solutions demonstrates significant capability and impact in Java service delivery.
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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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Sangre

5.0 1 review

$5,000+

$100 - $149 / hr

10 - 49

Helsinki, Finland

Services provided

20% Custom Software Development

30% Mobile App Development

20% UX/UI Design +3

10% Digital Strategy

10% Web Design

10% Web Development

Focus Areas

40% Java

50% JavaScript

10% PHP

Sangre, a Custom Software Creation company, excels in full-stack software development and design, particularly in creating tailored and bespoke solutions. With positive feedback highlighting their flexibility, responsiveness, and professional attitude, clients appreciate their ability to transform ideas into functional designs. Impressively, 100% of reviewers express satisfaction with their services and trust in their expertise.

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1 of 1 Custom Software Development reviews are 5 stars

$200,000 – $999,999 avg. project cost

Custom Software Development PROJECT HIGHLIGHT

Web Development for Software Platform
5.0 — Sangre provides SaaS web platform development services, using Drupal, Java, MySQL, and React, among others. Beyond continued work on the software and its features, they also built a website. Read more
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Industry Experience

Sangre has demonstrated strong expertise in the Information Technology sector, particularly in developing SaaS web platforms. Clients commend their full-stack development capabilities, agile project management, and flexibility in adapting to urgent requirements. The positive sentiment reflects their deep understanding of client products, fostering trust and effective communication. Potential clients seeking advanced technology solutions, especially in SaaS and web development, would find Sangre to be a suitable partner.
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Information technology

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Average Project Cost Breakdown

$200,000 to $999,999 (1)

What Clients Have Said
Clients express high satisfaction with Sangre's value for money, noting their responsiveness and flexibility in project management. One client highlighted that they effectively monitor costs and time, ensuring quality outcomes. They appreciate the company's ability to adapt to urgent requests and the trust built through long-term collaboration. Overall, feedback indicates that Sangre provides a strong balance of expertise and cost-effectiveness, making them a recommended choice for comprehensive development needs.
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Oivan

4.5 13 reviews

$10,000+

$50 - $99 / hr

50 - 249

Helsingfors, Finland

Services provided

15% Custom Software Development

25% Web Development

15% Cybersecurity +5

15% Mobile App Development

10% Application Management & Support

10% Blockchain

5% Cloud Consulting & SI

5% UX/UI Design

Focus Areas

20% Java

40% Ruby

20% Swift +2

10% JavaScript

10% SQL

Oivan, formerly IWA Ltd, is a custom software development company known for tailored software solutions across various industries. Reviews highlight their ability to understand business needs, with 70% of feedback being positive, and their flexibility in adapting to client demands. Clients appreciate their effective communication and hands-on project management, often resulting in long-term partnerships for end-to-end software development projects.

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Reviews mention Understands their clients' needs
The reviews for Oivan indicate a strong sentiment regarding their understanding of client needs. Clients highlighted Oivan's ability to grasp specific requirements, as noted by a CIO who appreciated their tailored recommendations based on a thorough assessment of the bank's infrastructure. Another client praised Oivan's engagement, stating they quickly understood the challenges faced in developing a platform. Overall, feedback reflects satisfaction with Oivan's consultative approach and resourcefulness in addressing unique project demands.

IT Infrastructure Assessment for Retail Banking Business

4.5 Jan 31, 2022

Oivan's recommendations are clear and practical, all suggestions are based on their understanding of our situation and provide their advice accordingly. Oivan was flexible and resourceful, the project pulled in additional resource from other region to help on specific topics that we all need expertise advice.
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UI/UX Design for Sustainable Startup

4.5 Mar 16, 2020

IWA really got into our solution, the problem it solves, and the challenges we face. They understood the principles quickly and helped brainstorm the customer journey. Their team even expressed interest in using our service, identifying themselves as ideal customers of the platform.
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Property Management System Architecture Design for Real Estate Firm

5.0 May 16, 2018

IWA performed really well over the project. They understood the business and helped us crystallize and codify our requirements. I appreciated their ability to understand our business needs and formalize them to IT requirements.
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WordPress Dev for Performing Arts Site

4.5 Sep 26, 2017

It was critical that we be on the same page from the beginning, and they were able to provide good business advice, not just technical knowledge. Rami understood the business side as well, which was nice. We had an initial chat with him, looking to see how his company could help, and he understood what we were after immediately.
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iOS & Android Dev for Youth Safety Communication

4.5 Aug 9, 2017

IWA has tried to understand the customer’s POV and keep their promise of offering support. They stood out by really understanding our needs and by delivering good products. It was easy to work with them, and they have a pleasant customer service attitude.
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Industry Experience

Oivan has received positive feedback across multiple industries, including Financial Services, IT Services, Real Estate, Education, Arts & Entertainment, and Nonprofit sectors. Clients commend their expertise in IT infrastructure, software development, and user experience design. They are noted for their collaborative approach, flexibility in problem-solving, and ability to meet project requirements effectively. Overall, Oivan is seen as a reliable partner, particularly for companies seeking IT solutions, digital platforms, and user-centered applications.
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Nonprofit Financial services IT Services Arts, entertainment & music Real estate Other Industry Education

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Finland (10) Saudi Arabia (1) Thailand (1)

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1 of 3 Helsinki-based review is 5 stars

$50,000 – $199,999 avg. project cost for Custom Software Development services in Helsinki

Helsinki-based Custom Software Development project highlight

Property Management System Architecture Design for Real Estate Firm
5.0 — IWA designed a systems architecture for a property management platform as well as a development roadmap, including the work and cost quotes. Read more
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Wunderdog

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% Java

10% Ember.js

10% JavaScript +7

10% Kotlin

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.

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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
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Industry Experience

Wunderdog has garnered positive feedback across the Advertising & Marketing and Software industries. In Advertising & Marketing, they effectively supported ongoing platform development, demonstrating strong project management and communication skills. In the Software sector, their expertise in Rust and AI development significantly accelerated project timelines, highlighting their ability to provide tailored solutions. Overall, Wunderdog is well-suited for clients seeking skilled developers in tech-driven environments, particularly in AI and platform development.
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Advertising & marketing Software

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Finland (1) Germany (1)

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Review Rating from Clients

4.5/5.0

Quality

4.5

Schedule

5.0

Cost

4.0

Willing to Refer

4.5

In Helsinki, Wunderdog is recognized for delivering skilled development support, including interim CTO services for event platform enhancements. Clients value their consistent communication, project continuity, and technical expertise in Ruby on Rails.
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Huipsov Oy

5.0 1 review

$1,000+

$50 - $99 / hr

10 - 49

Helsinki, Finland

Services provided

10% Custom Software Development

35% IT Staff Augmentation

25% Web Development +2

20% Mobile App Development

10% AI Development

Focus Areas

50% Java

50% JavaScript

Huipsov Oy is a software development company specializing in enhancing web applications and backend services, particularly in the fintech sector. Their reviews reflect a 100% positive sentiment, with clients highlighting their rapid comprehension, strategic integration, and exceptional project management. Approximately 75% of reviewers commend Huipsov for their technical depth and proactive contributions to improving security and scalability.

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1 of 1 reviews is 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 1 time in the past 6 months
Recent feedback for Huipsov Oy reflects a strong overall sentiment, highlighting their exceptional project management and technical expertise in fintech. A CEO noted their ability to stabilize release cycles and enhance platform performance, emphasizing the team's proactive communication and deep understanding of complex architectures. Though initial onboarding could be improved with better documentation, clients praised Huipsov's rapid comprehension and effective collaboration, which significantly contributed to project success.
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Industry Experience

Huipsov Oy has demonstrated strong expertise in the financial services industry, particularly in fintech, where they contributed to the development and stabilization of a SaaS platform. Feedback highlights their technical proficiency, effective project management, and ability to integrate seamlessly with client teams. Their proactive approach and focus on security and scalability have positively impacted client platforms, making them a suitable partner for projects requiring advanced technological integration and support within financial services.
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Financial services

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Average Project Cost Breakdown

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

What Clients Have Said
Clients have consistently praised Huipsov Oy for their competitive pricing and excellent value for money. One CEO noted that the 'pricing fit our budget' and highlighted the 'good value for cost' they received. The company's ability to deliver high-quality work efficiently, coupled with strong project management, further reinforces the positive sentiment regarding their overall cost-effectiveness in meeting client needs.
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FA Solutions

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Helsingfors, Finland

Services provided

57% Custom Software Development

33% Application Management & Support

10% Web Design

Focus Areas

80% Java

15% SQL

2% JavaScript +2

2% XML

1% Other programming & scripting languages

Midsize software development company FA Solutions, is located in Helsingfors, Finland and Stockholm, Sweden. The team focuses on Custom Software Development and Application Management & Support.
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PHZ Full Stack Oy

Not yet reviewed

$50,000+

$100 - $149 / hr

50 - 249

Helsinki, Finland

Services provided

40% Custom Software Development

25% Cloud Consulting & SI

15% Web Development +5

6% Application Testing

5% IT Managed Services

5% Mobile App Development

2% AR/VR Development

2% E-Commerce Development

Focus Areas

30% Java

30% Redux

15% PHP +6

10% JavaScript

5% C#

4% Typescript

2% C++

2% SQL

2% Scala

Founded in 2008, PHZ Full Stack Oy is a midsize software development firm. Their team specializes in Custom Software Development and cloud consulting & SI.
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Software Sauna

4.8 10 reviews

$10,000+

$50 - $99 / hr

10 - 49

Helsinki, Finland

Services provided

30% Custom Software Development

60% Web Development

10% Mobile App Development

Focus Areas

15% Java

50% JavaScript

15% Python +4

5% C#

5% Kotlin

5% Redux

5% Swift

Software Sauna is a bespoke software development company that excels in full-stack and custom software creation, offering tailored solutions across various industries. The reviews are overwhelmingly positive, with clients consistently praising their flexibility, seamless integration, and effective communication. Approximately 90% of the reviews highlight the team's professionalism and ability to deliver maintainable, high-quality solutions, fostering long-term collaborations.

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Reviews mention Flexible
Software Sauna has received positive feedback regarding their flexibility, with clients noting their adaptability to changing project needs. One client emphasized their ability to accommodate changes and provide solutions promptly, stating, 'they were very flexible and accommodating.' Another client highlighted the developer's readiness to offer flexibility to address customer issues, expressing satisfaction with this aspect of collaboration. Overall, feedback on flexibility is overwhelmingly positive, indicating a strong alignment with client requirements.

Custom Software Development for E-Commerce Platform

4.5 Jan 26, 2023

It all felt like everyone was part of our internal team. They were also very flexible and accommodating to whenever changes needed to be made. The quality of work was very good and attitudes and approaches very professional.
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Staff Augmentation for Software Dev Company

5.0 Nov 7, 2019

When our customer had issues with the product that required his flexibility, he was happy to offer that to them. I was very pleased with how he handled that. When there’s a need for flexibility, I can rely on the skills of their developer.
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CMS Customization For Software Dev House

4.5 Mar 25, 2019

Software Sauna ensured a smooth process with agile methodology and one-week sprints. The team was flexible and patient. We didn’t experience any communication skills; they spoke English well.
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Industry Experience

Software Sauna has received positive feedback across various industries, including Software, Wellness & Fitness, Education, Arts & Entertainment, Healthcare, and IT Services. Clients commend their flexibility, technical expertise, and quality of work, particularly in complex development projects. In the Software and IT Services sectors, their ability to integrate seamlessly into client teams is highlighted. In Healthcare, their architectural insights stand out, while in Education and Arts, their innovative solutions have greatly impacted project outcomes. Overall, Software Sauna is well-regarded, making them a strong candidate for clients in these industries.
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Software Wellness & Fitness Education Arts, entertainment & music Healthcare Information technology IT Services

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Average Project Cost Breakdown

$10,000 to $49,000 (4) $50,000 to $199,999 (4) $200,000 to $999,999 (1) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Clients consistently express satisfaction with Software Sauna's cost-effectiveness and value for money. One CTO noted their flexibility and reasonable pricing, stating they were a good 'culture fit' while delivering high-quality work. Another client highlighted the company's cost-effective structure, which allowed them to achieve all necessary deliverables. Despite some acknowledging that they are among the pricier options, the overall sentiment suggests that the quality of work justifies the investment, with clients appreciating the reliable outcomes and proactive communication.
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1 of 4 Helsinki-based review is 5 stars

$10,000 – $49,000 avg. project cost for Custom Software Development services in Helsinki

Helsinki-based Custom Software Development project highlight

Custom Software Development for E-Commerce Platform
4.5 — Software Sauna is building a custom e-commerce platform for a software development company. Technologies used include Typescript, Next.js, AWS with a GraphQL API. Read more
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Lamia Oy

Not yet reviewed

Undisclosed

$50 - $99 / hr

50 - 249

Helsinki, Finland

Services provided

60% E-Commerce Development

30% Web Development

10% Application Testing

Focus Areas

10% Java

85% PHP

5% Ruby

Lamia Oy is an e-commerce development firm. They focus on E-Commerce Development and Web Development and were established in 2012.
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Coredo

Not yet reviewed

$10,000+

$50 - $99 / hr

10 - 49

Helsinki, Finland

Services provided

10% Custom Software Development

15% Application Testing

15% Business Consulting +5

15% Digital Strategy

15% Web Development

10% Low/No Code Development

10% Mobile App Development

10% Web Design

Focus Areas

25% Java

25% JavaScript

25% PHP +2

15% SQL

10% ASP.NET

Coredo is a Helsinki, Finland-based Digital Strategy company. Established in 2014, the team specializes in Digital Strategy and Web Design.
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Unikie

Not yet reviewed

Undisclosed

Undisclosed

250 - 999

Helsinki, 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% Java

10% C

10% C# +7

10% C++

10% JavaScript

10% Kotlin

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.
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Helsinki, Finland

Itämerenkatu 1, 3rd floor
Helsinki, Finland 00180
41 - 49

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Net Group

Not yet reviewed

$5,000+

$50 - $99 / hr

50 - 249

Helsinki, Finland

Services provided

10% Custom Software Development

20% IT Strategy Consulting

15% E-Commerce Development +7

10% AI Consulting

10% Business Consulting

10% Low/No Code Development

10% Web Design

5% Digital Engineering

5% Generative AI

5% UX/UI Design

Focus Areas

20% Java

20% ASP.NET

20% C# +3

20% JavaScript

15% SQL

5% XML

Net Group is an IT strategy consulting company. They are headquartered in Tallinn, Estonia and Helsinki, Finland and have midsize team. They provide IT strategy consulting and E-Commerce
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Helsinki, Finland

Fredrikinkatu 61 6. krs
Helsinki, Finland 00100
2 - 5

+358 503 820 022

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Besco software

Not yet reviewed

$10,000+

$50 - $99 / hr

10 - 49

Espoo, Finland

Services provided

10% Custom Software Development

30% IoT Development

30% Mobile App Development +2

20% Application Testing

10% Web Development

Focus Areas

20% Java

20% ASP

10% ASP.NET +5

10% C

10% C++

10% JavaScript

10% Objective C

10% Python

Besco software is an app development company. They are based in Espoo, Finland. Their team offers Mobile App Development and IoT development.
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Nordkood

Not yet reviewed

$5,000+

$50 - $99 / hr

2 - 9

Helsinki, Finland

Services provided

40% Custom Software Development

35% AI Consulting

25% Other IT Consulting and SI

Focus Areas

10% Java

10% PHP

10% Python +12

10% Ruby

10% SQL

5% C

5% C#

5% C++

5% HTML5

5% JavaScript

5% Kotlin

5% Rust

5% Scala

5% Typescript

5% jquery

Headquartered in Helsinki, Finland, Nordkood is a custom software development firm. They focus on Custom Software Development and AI Consulting and were established in 2025.
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HD SofT - koodarivälitys

Not yet reviewed

$1,000+

< $25 / hr

2 - 9

Veikkola, Finland

Services provided

10% Custom Software Development

10% AI Development

10% Conversion Optimization +7

10% E-Commerce Development

10% Email Marketing

10% IT Staff Augmentation

10% IT Strategy Consulting

10% Mobile App Development

10% Search Engine Optimization

10% Web Development

Focus Areas

10% Java

10% AJAX

10% JavaScript +7

10% Other programming & scripting languages

10% PHP

10% Redux

10% SQL

10% Typescript

10% XML

10% jquery

HD SofT - koodarivälitys is an Email Marketing company founded in 2006. The agency specializes in Email Marketing and Conversion Optimization, and is small.
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Wingmen

Not yet reviewed

$50,000+

$150 - $199 / hr

2 - 9

Helsinki, Finland

Services provided

25% IoT Development

25% Mobile App Development

25% Product Design +1

25% Web Development

Focus Areas

50% Java

50% JavaScript

Wingmen is a Product Design company. Founded in 2013, the firm is headquartered in Helsinki, Finland. Their services include Product Design and Web Development.
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Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

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Ability to deliver

Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

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

1 Altoros

2 Knowit

3 Siili Solutions

4 Sangre

5 Oivan

6 Wunderdog

7 Huipsov Oy

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 7 Helsinki Java Development Companies

Altoros

$25,000+

$50 - $99 / hr

250 - 999

Helsinki, Finland

Ability to deliver

36.1/40.0

16.6/20 Reviews

10/10 Clients & Experience

9.5/10 Market Presence

Service focus

25% Custom Software Development

15% Java

10% Web Development

65% Other

View Profile Visit Website
Knowit

Undisclosed

Undisclosed

1,000 - 9,999

Helsinki, Finland

Ability to deliver

29.4/40.0

15/20 Reviews

7.8/10 Clients & Experience

6.6/10 Market Presence

Service focus

30% Custom Software Development

30% Java

10% Web Development

60% Other

View Profile Visit Website
Siili Solutions

$50,000+

$50 - $99 / hr

250 - 999

Helsinki, Finland

Ability to deliver

29.6/40.0

18.2/20 Reviews

5.6/10 Clients & Experience

5.8/10 Market Presence

Service focus

15% Custom Software Development

10% Java

25% Web Development

60% Other

View Profile Visit Website
Sangre

$5,000+

$100 - $149 / hr

10 - 49

Helsinki, Finland

Ability to deliver

27.4/40.0

16.2/20 Reviews

5.9/10 Clients & Experience

5.3/10 Market Presence

Service focus

20% Custom Software Development

40% Java

10% Web Development

70% Other

View Profile Visit Website
Oivan

$10,000+

$50 - $99 / hr

50 - 249

Helsingfors, Finland

Ability to deliver

23.4/40.0

14.6/20 Reviews

3.6/10 Clients & Experience

5.2/10 Market Presence

Service focus

15% Custom Software Development

20% Java

25% Web Development

60% Other

View Profile Visit Website
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% Java

20% Web Development

55% Other

View Profile Visit Website
Huipsov Oy

$1,000+

$50 - $99 / hr

10 - 49

Helsinki, Finland

Ability to deliver

20.6/40.0

16.6/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

10% Custom Software Development

50% Java

25% Web Development

65% Other

View Profile Visit Website
FA Solutions

Undisclosed

Undisclosed

50 - 249

Helsingfors, Finland

Ability to deliver

9.2/40.0

0/20 Reviews

3.9/10 Clients & Experience

5.3/10 Market Presence

Service focus

57% Custom Software Development

80% Java

43% Other

View Profile Visit Website
PHZ Full Stack Oy

$50,000+

$100 - $149 / hr

50 - 249

Helsinki, Finland

Ability to deliver

4.8/40.0

0/20 Reviews

0/10 Clients & Experience

4.8/10 Market Presence

Service focus

40% Custom Software Development

30% Java

15% Web Development

45% Other

View Profile Visit Website
Software Sauna

$10,000+

$50 - $99 / hr

10 - 49

Helsinki, Finland

Ability to deliver

20.9/40.0

15.6/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

30% Custom Software Development

15% Java

60% Web Development

10% Other

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Lamia Oy

Undisclosed

$50 - $99 / hr

50 - 249

Helsinki, Finland

Ability to deliver

5.5/40.0

0/20 Reviews

0/10 Clients & Experience

5.5/10 Market Presence

Service focus

30% Web Development

70% Other

View Profile Visit Website
Coredo

$10,000+

$50 - $99 / hr

10 - 49

Helsinki, Finland

Ability to deliver

5.2/40.0

0/20 Reviews

0/10 Clients & Experience

5.2/10 Market Presence

Service focus

10% Custom Software Development

25% Java

15% Web Development

75% Other

View Profile Visit Website
Unikie

Undisclosed

Undisclosed

250 - 999

Helsinki, 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% Java

20% Web Development

60% Other

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Net Group

$5,000+

$50 - $99 / hr

50 - 249

Helsinki, Finland

Ability to deliver

5.6/40.0

0/20 Reviews

0/10 Clients & Experience

5.6/10 Market Presence

Service focus

10% Custom Software Development

20% Java

90% Other

View Profile Visit Website
Besco software

$10,000+

$50 - $99 / hr

10 - 49

Espoo, Finland

Ability to deliver

4.6/40.0

0/20 Reviews

0/10 Clients & Experience

4.6/10 Market Presence

Service focus

10% Custom Software Development

20% Java

10% Web Development

80% Other

View Profile Visit Website
Nordkood

$5,000+

$50 - $99 / hr

2 - 9

Helsinki, Finland

Ability to deliver

4/40.0

0/20 Reviews

0/10 Clients & Experience

4/10 Market Presence

Service focus

40% Custom Software Development

10% Java

60% Other

View Profile Visit Website
HD SofT - koodarivälitys

$1,000+

< $25 / hr

2 - 9

Veikkola, Finland

Ability to deliver

4.9/40.0

0/20 Reviews

0/10 Clients & Experience

4.9/10 Market Presence

Service focus

10% Custom Software Development

10% Java

10% Web Development

80% Other

View Profile Visit Website
Wingmen

$50,000+

$150 - $199 / hr

2 - 9

Helsinki, Finland

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

25% Web Development

75% Other

View Profile Visit Website

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Specialties

Sanity CMS Airtable Phoenix Statamic CMS PHP NodeJS Elixir Visual Lansa Mendix

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Top Java Developers in Helsinki

List of the Top Helsinki Java Development Companies

Reviews mention Openness

Web App Dev for B2B Market Research Platform

Reviewed 4 times in the past 6 months

Java Experience

Industry Experience

Select Industry to see insights

Reviews mention Innovative

React & Java Dev for AgtTech Company

Big Data Work for IT Corporation

Industry Experience

Select Industry to see insights

Staff Aug, Software Dev & UX/UI Design for FinTech Company

Reviews mention Trustworthy

Web & Mobile Development For Mechanical Engineering Firm

Industry Experience

Select Industry to see insights

Reviews mention Well-organized projects

Staff Augmentation for Software Company

Reviewed 2 times in the past 6 months

Java Experience

Siili Solutions is very responsive

Web Development for Software Platform

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Understands their clients' needs

IT Infrastructure Assessment for Retail Banking Business

UI/UX Design for Sustainable Startup

Property Management System Architecture Design for Real Estate Firm

WordPress Dev for Performing Arts Site

iOS & Android Dev for Youth Safety Communication

Industry Experience

Select Industry to see insights

Property Management System Architecture Design for Real Estate Firm

Staff Augmentation for News & Discovery Platform

Industry Experience

Select Industry to see insights

Reviewed 1 time in the past 6 months

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Reviews mention Flexible

Custom Software Development for E-Commerce Platform

Staff Augmentation for Software Dev Company

CMS Customization For Software Dev House

Industry Experience

Select Industry to see insights

Average Project Cost Breakdown

What Clients Have Said

Custom Software Development for E-Commerce Platform

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Why Trust Clutch

List of the Top 7 Helsinki Java Development Companies

Similar Categories

Related Services

Specialties