Top 100 C# Developers in Warsaw

Founded in 2018, Qodeca has focused on building management systems, user-facing applications, integrations, and server-side solutions on top of the latest IT solutions from Microsoft like .NET and Azure. With above 70 employees in Poland, they support all software product lifecycle stages by providing UX/UI design, custom software development, cloud, DevOps, and beyond services. They work mainly with middle-market clients and enterprises providing them with the whole toolset required to succeed.

 

Product design company Intechhouse was founded in 2003. The agency provides product design, custom software development, IT staff augmentation, IoT development, and more and has a midsize team.

MITRIX, founded in 2017, is a Poland-based team of 65+ senior tech professionals from Eastern Europe, carefully selected from the top 2%. Operating seamlessly across US and European time zones, they prioritize transparency, accountability, and client support. Explore their services risk-free with a 2-week trial.
 

JMR Technologies is a software house based in Warsaw, Poland. Founded in 2009, they have approximately 16 employees who serve midmarket and small business clients across industries. Services include web development, custom software development, and mobile app development.

Founded in 2014, IN Team (formerly InFront) is a development firm. Their team of around 50 employees is based in Warsaw, Poland. They focus on custom software development, web development, and IT staff augmentation.

Based in Vilnius, Lithuania and Warszawa, Poland, RichBrains is a software development company. The agency provides custom software development, mobile app development, and web development and is midsize.The agency was founded in 2006.

Celadon is a mobile and web app developer headquartered in Warsaw, Poland; with offices in Kyiv, and Dubai. Founded in 2016, their team of over 100 employees specializes in mobile app development, custom software development, and web development. They work primarily with small and midmarket businesses; focusing on business services, education, arts, entertainment & music.

Iomico is an IoT development company. The small Sunnyvale, California-based agency was established in 2012. Their team provides IoT development and Artificial Intelligence.

FlyHigh.PRO is a small web development company based in Warszawa, Poland. They specialize in web development, custom software development, and web design and were founded in 2010.

Appstronauts is a mobile app development company that was founded in 2015. They are headquartered in Warsaw, Poland with another location in Manchester, U.K. The company is made up of 11 employees and specializes in mobile app development, custom software development, and IT strategy consulting. Their client focus is small businesses, primarily in the business services, consumer products, and education industries.

Custom software development company Elinext is a global company with offices around the world in New York, NY, Ireland, Germany, Belarus, and more. The team of nearly 200 has been around since 1997 and serve a range of clients from startups to Fortune 500 companies. They provide custom software, mobile app, web, and IoT development, as well as UI/UX design.

Team Connect Ltd. Is a software development firm in Warszawa, Poland and Gliwice, Poland. Established in 2008, the midsize team specializes in custom software development, IT staff augmentation, IT managed services, enterprise app modernization, and more.

9BITS is a software developer based in Warsaw, Poland. Established in 2009, they have more than 100 employees that cater to small–midmarket clientele. They offer custom software development, mobile app development, and e-commerce development services.

Headquartered in Lakewood, Colorado; Vilnius, Lithuania; Kyiv, Ukraine and Warszawa, Poland, Akveo is a custom software development firm. The agency focuses on custom software development, web development, cloud consulting & SI, and mobile app development and is midsize.The agency was launched in 2015.

DDI Development is a custom web and mobile development company with offices in Tallinn, Estonia; Kharkiv, Ukraine; and New York. Founded in 2007, they employ 73 industry professionals who specialize in digital development for small and midmarket businesses. Services include the development of custom software and applications, mobile and web apps, and databases.

FlairsTech is an UX agency. Their midsize team is headquartered in Dorval, Canada. Their services include ux/ui design, graphic design, video production, IT strategy consulting, and more.

ITRex Group is a global technology consulting and custom software development company of 300+ employees, founded in 2009. Their headquarters is in Santa Monica, California, with secondary locations in Warsaw, Poland, Kyiv, Ukraine, and Tbilisi, Georgia. They have in-depth expertise in emerging technologies, including RPA & Intelligent Automation, Big Data, AI and ML, AR/VR, IoT across different industries - Healthcare and Biotech, Supply Chain, Fiance and Banking, Retail and eCommerce, and more. The company has delivered 600+ industry-specific solutions to large enterprises and middle-market companies.

Website development firm 8 Bits Further was founded in 2020. Headquartered in Warszawa, Poland, their small team specializes in web development, custom software development, mobile app development, and ux/ui design.

Inspeerity is a software developer in Białystok, Poland. Founded in 2018, they have about 37 employees that serve mostly midmarket and small-business clients in the IT, financial, and telecommunications sectors. Services include web, e-commerce, and custom software development.

Prognetics is a software company founded in 2020 with fewer than 10 employees. They offer custom software, web, and mobile app development solutions to various clients from their office in Warsaw, Poland. They work in the fields of consumer products and business services.

LINKERSOFT GROUP is a software development firm. Based in Batumi, Georgia and Warszawa, Poland, their small team provides custom software development, IT staff augmentation, web development, api development, and more. The company was launched in 2021.

JMMJ is a custom software development company based in Warsaw, Poland. Founded in 2008, they have 22 employees specializing in mobile and web technology, including AI, augmented reality, and machine learning. Working for small businesses, midmarket companies and global enterprises, they offer blockchain solutions, mobile and web app development, and Cloud control.

Located in Minsk, Belarus, DrupalHeads LLC is a small website development company. They specialize in web development, custom software development, e-commerce development, IT strategy consulting, and more and were launched in 2020.

CROSS sp. z o.o. is a software development company headquartered in Warsaw, Poland, with an additional office in Opole, Poland. Founded in 1988, the 6-person team specializes in custom software development, financial accounting, and blockchain.

Kodevent, a custom software development firm, was established in 2019. Their midsize team is headquartered in Sheridan, Wyoming and Warszawa, Poland. Their services include custom software development, web development, IT staff augmentation, mobile app development, and more.

Directpl is a midsize software development company. Located in Chicago, Illinois; Rochester, New York; Toronto, Canada and Warszawa, Poland, the firm was established in 1997. Their team focuses on custom software development, application management & support, IT managed services, and application testing.

Hogart sp z o.o. is an IT provider based in Warszawa, Poland. Founded in 1992, this company has 58 employees. Services provided by Hogart sp z o.o. include ERP consulting, big data consulting, and custom software development.

IP Partner is a software development agency founded in 2009 and headquartered in Warsaw, Poland. With a team of over 10 employees, they serve medium-sized companies across a range of industries, offering IT staff augmentation, custom software development, website development, testing, and more.

Founded in 2006, Vector Software Ltd is an IT outsourcing company based in L'viv, Ukraine. They have more than 50 employees that specialize in application testing and development. They mostly work with mid-market and small businesses. 

SpyroSoft is an IT company based in Wroclaw, Poland with offices in Krakow, Poland and London. Founded in 2016, the team of 143 specializes in IT staff augmentation, custom software development, and web design. They focus on business services, automotive, and financial services.