Top 10 Kotlin

Companies in Warsaw

Warsaw is more than just Poland’s capital—it’s a city that blends history with modern progress. The city has a strong pool of IT talent, which attracts major companies like Google, Microsoft, and Amazon. The tech sector accounts for about 8% of Poland’s GDP, and startups have raised over $300 million in recent years. More than 280 startups operate in Warsaw, making up 35% of the country's startup scene. With a population of 1.8 million and a central location in Europe, Warsaw has a big role in business, innovation, and international tech connections.

How Did We Pick the Best?

SENLA| Software Engineering Laboratory

Warsaw, Poland

Team Size 250-999

Cost of Services $$$$$ $30-70/h

5.0

5 Reviews

Service Focus:

Custom Software DevelopmentIT Staff AugmentationBlockchain + See more

Description

SENLA is Europe’s premier Talent Augmentation provider, offering a network of 700+ skilled tech professionals. Renowned companies like BOSCH, IKEA, Bayer, and Deloitte trust us to strengthen their tech teams with top engineers, architects, and data scientists. Our innovative talent system delivers 95% client satisfaction and a 94% staff retention rate. With flexible solutions — individual specialists, dedicated teams, or development c...

Our Take

Out of 50,000 IT companies listed on TechBehemoths, SENLA| Software Engineering Laboratory is one that we could recommend for their services. Their reputation lies on facts such as 13 years of experience, 33 projects delivered and more than 5 happy clients. It is very likely that they could help you with your next IT project

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Celadonsoft

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $30-70/h

5.0

3 Reviews

Service Focus:

Mobile App DevelopmentWeb DevelopmentCustom Software Development + See more

Description

Celadonsoft is a trusted partner in outsourcing and outstaffing services, delivering high-quality, tailored software solutions. Our experienced developers, business analysts, and project managers ensure clear communication, adaptability, and a client-first approach. We are ISO 9001 certified, ensuring top-tier quality management standards in all our services.Our ServicesWe provide a range of development solutions:Outsourcing: Full-cycle developme...

Our Take

Celadonsoft has built a solid reputation as a reliable agency through years of experience, satisfied clients, and a diverse portfolio. Their TechBehemoths profile perfectly captures their industry know-how and skills.

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Softellar

Warsaw, Poland

Team Size 10-49

Cost of Services $$$$$ $30-70/h

5.0

4 Reviews

Service Focus:

Enterprise App ModernizationApplication TestingMobile App Development + See more

Description

At Softellar, our services are meticulously crafted to empower clients in navigating the digital landscape. As a leading software development company, we specialize in leveraging the latest technologies and industry best practices to drive business growth and foster innovation. Our Advantages Experience: Our team comprises passionate professionals with expertise in software development, data engineering, and cloud computing. With 70%...

Our Take

Softellar is one of the local market leaders and stands out for its quality, trust, commitment, and constant growth. These values have helped them to rank among the top IT services providers on Techbehemoths, to deliver successful projects and to get satisfied clients and visibility.

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Hygge Software

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $30-70/h

5.0

5 Reviews

Service Focus:

Custom Software DevelopmentWeb DevelopmentMobile App Development + See more

Description

We are Hygge Software — a strategic tech consulting and software development company helping businesses solve real challenges and achieve measurable results. We combine deep technical expertise with a business-first mindset to align technology with your goals. Every solution we deliver perfectly fits your goals and creates value, whether you’re modernizing systems, scaling operations, or building new products.The range of our services includes:AI...

Our Take

Hygge Software focuses on providing high-quality IT solutions that optimize company operations and improve customer engagement. As one of the local market leaders, they believe that every business is unique and the only way for clients to succeed is by taking a different strategy.

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Devico

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $30-70/h

Service Focus:

IT Staff AugmentationCustom Software DevelopmentWeb Development + See more

Description

For over 14 years, Devico has been building digital experiences which drive customer engagement, a time-to-market advantage and revenue acceleration.We specialise in fast-fill team augmentation, allowing you to build product, capability, and technology specialism without the costly overheads of hiring in your local market. Our highly flexible approach to contracting means your costs are transparent, capped, and with...

Our Take

Out of 50,000 IT companies listed on TechBehemoths, Devico is one that we could recommend for their services. Their reputation lies on facts such as 14 years of experience, 10 projects delivered and more than a dozen happy clients. It is very likely that they could help you with your next IT project

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Silk Data - Software Product Development Company

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $30-70/h

Service Focus:

Artificial IntelligenceMobile App DevelopmentCustom Software Development + See more

Description

Silk Data provides end-to-end services in AI solutions, mobile and web application development. Our team of PhD-level experts ensures reliability, transparency of processes and customisation of solutions to meet your challenges. We deliver innovative products that improve business performance and give you a competitive advantage.Based in Poland and Germany, Silk Data specialises in the development of digital solutions in the fields of education a...

Our Take

Silk Data - Software Product Development Company focuses on providing high-quality IT solutions that optimize company operations and improve customer engagement. As one of the local market leaders, they believe that every business is unique and the only way for clients to succeed is by taking a different strategy.

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Scand

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $30-70/h

5.0

1 Review

Service Focus:

Custom Software DevelopmentWeb DevelopmentMobile App Development + See more

Description

SCAND Ltd. is a software development company in Warsaw, Poland. With more than 20+ years in IT and 700 successful projects for dozens of customers globally and over 250 highly experienced engineers on board, we are rated as one of the top software outsourcing companies in Eastern Europe.The company is providing outsourcing services and primarily focusing on software application and product development using .NET, Java, PHP, C/C++and other technol...

Our Take

Considering their vast industry know-how, positive customer feedback, and successful project showcases on TechBehemoths, you can trust Scand to be your partner in building your IT project.

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Azati Software

Warsaw, Poland

Team Size 250-999

Cost of Services $$$$$ $30-70/h

Service Focus:

Custom Software DevelopmentWeb DevelopmentArtificial Intelligence + See more

Description

Azati Software: Your Trusted Partner in IT Solutions Since 2002About Us:Since 2002 we have designed and developed software for clients in a diverse set of industries including insurance, life sciences, media & entertainment, education, and finance. We offer consulting services for IT projects and focus on close collaboration with our clients. By using a series of short development cycles, we facilitate transparency in the development process...

Our Take

Azati Software is a dedicated team delivering results. Each member brings unique skills and love for what they do. Their attention to detail ensures that every client receives personalized and effective solutions. Check out their portfolio on TechBehemoths to see more Azati Software projects.

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LeanCode

Warsaw, Poland

Team Size 50-249

Cost of Services $$$$$ $30-70/h

5.0

2 Reviews

Service Focus:

Mobile App DevelopmentCustom Software Development

Description

LeanCode is the leading provider of mobile applications based on the Flutter Framework from Warsaw, Poland. Flutter empowers seasoned Product Owners to optimize development, swiftly delivering solutions from a unified codebase, significantly reducing the Total Cost of Ownership.LeanCode, along with other tech partners, developed one of probably the biggest projects in Flutter - the mobile banking application for Credit Agricole Bank Polska. Our c...

Our Take

LeanCode works with small and medium enterprises as well as start-ups. The company's priority is customer happiness, which is built on teamwork and passion. We invite you to take a look at their offerings and decide if they are a good fit for you.

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