Top 100 C# Developers in Poland
September 2023Looking for a top C Sharp software development company in Poland?
The programming language C Sharp (C#), is general-purpose and used for web and mobile apps. It has a number of advantages: It's object-oriented, has automatic garbage collection, functions across platforms, has backward compatibility, and integrates well with other platforms and services.
To assist you in your search for a partner, we’ve compiled this list of the top C# developers in Poland. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Poland C Sharp (C#) Software Development Companies
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1
- $50,000+
- 1,000 - 9,999 employees
- Kraków, Poland
Software Mind is a global IT services company headquartered in Krakow, Poland, with offices in Warsaw, Rzeszow, and Bielsko-Biala in Poland as well. Founded in 1999, their team of 116 works with clients from startups to enterprises to offer assistance in custom software development, enterprise app modernization, and BI & big data consulting & SI. They mainly work in the medical and financial services industries.
Clients
- Corelogic
- Dell
- Backbase
- Branch
Industries
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Software Mind augments the staff of a financial services company to provide development services for eight projects. They use .NET, Visual Studio, PFX, C#, JavaScript, and Angular.
"We now share best practices and also learn from each other in different areas."
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2
- $25,000+
- 250 - 999 employees
- Gliwice, Poland
Future Processing is a software developer based in Gliwice, Poland. Founded in 2000, they now have more than 900 employees. They specialize in custom software development, web development, and enterprise app modernization for primarily midmarket and small business companies in the healthcare, IT, and transportation industries.
Clients
- Allocate
- Demica
- 4 finance
- Coconet
Industries
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Future Processing provided software development for a mortgage and brokerage startup. The team built an MVP for a tool that could match end customers’ cases with bank rules, regulations, and interest rates.
“The entire team did a really good job.”
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3
- $25,000+
- 250 - 999 employees
- Wrocław, Poland
CSHARK is a software and product development company that helps enterprises with digital transformation and start-ups translate ideas into products. Founded in 2014, it currently has over 300 mid and senior developers on board. CSHARK creates web and mobile apps from scratch and consults companies from FinTech and RegTech sectors. According to the Financial Times ranking in 2019 and 2020, we were among the fastest-growing companies in Europe.
Clients
- Fenergo (Fintech)
- REGENHU (Biotech)
- VecCtor (Digital infrastructure for Industry 4.0)
- HTP J-1 Visa Programs
Industries
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CSHARK has provided an architecture and engineering company with custom software development services. They’ve used tools such as AWS, JavaScript, and Mapbox.
"They’ve been very thorough, asked the right questions, and challenged us in the right way."
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4
- $25,000+
- 250 - 999 employees
- Warszawa, Poland
Altoros is a software development company in Warsaw, Poland. Founded in 2001, Altoros' team of over 350 employees specializes in cloud consulting, BI & big data consulting, blockchain and artificial intelligence services.
Clients
- Allstate
- Siemens
- Huawei
- Toyota
Industries
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Altoros has provided staff augmentation services for a software development company. They have hired experts who would transition the frontend of the client's website from Angular to React.
"The deliverables were generally met on time with high quality."
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5
- $50,000+
- 50 - 249 employees
- Gliwice, Poland
Brainhub is a software development partner for startups, scaleups and enterprises with ambitious product development plans. Founded in 2014, Brainhub is a team of 95 experts in Node.js, ReactJS, .NET, TypeScript and React Native that helped 65+ fintech, edtech, martech, healthcare and gamedev companies scale their web and mobile app development. Recognized as one of the fastest growing companies in Europe by Financial Times, Deloitte and Forbes.
Clients
- National Geographic
- Paradox Interactive
- TC Global
- Collegial
Industries
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Brainhub has designed the platform of a building materials marketplace. The team's tasks include user and usability research, business analysis, solution development, and proxy work for the platform's relaunch.
"I'm impressed with their flexibility."
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6
- $25,000+
- 1,000 - 9,999 employees
- Kraków, Poland
Ailleron S.A., a digital strategy company, is in Kraków, Poland. The midsize firm was established in 2014. Their team focuses on digital strategy, enterprise app modernization, mobile app development, custom software development, and more.
Industries
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Ailleron built a platform for a bank in three languages. They provided development and support using Vaadin, .NET, Angular, Kotlin, Swift, and Rabbit. Most recently, the team worked on a Vaadin update.
"They know their business, and working with them is a pleasure."
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7
- $5,000+
- 250 - 999 employees
- Gdańsk, Poland
Solwit SA is a custom software development firm based in Gdańsk, Poland. Founded in 201, their team of 500 serves clients in the IT, Financial services and utilities sectors. Services include NodeJS, AngularJS, and .NET development.
Industries
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Solwit SA developed a custom web application for a production and service company. They integrated a GUI login panel and a parameter editor module saved to .json files, among several other modules.
"The communication and project management was impeccable."
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8
- $5,000+
- 250 - 999 employees
- Wrocław, Poland
Scalo is a software solutions company based in Wroclay, Poland. The company, founded in 2007, has around 500 employees and provides custom software development, IT staff augmentation, web development, application testing, and IT strategy consulting services. Scalo serves mid-market and other-sized companies in various industries that include financial services, IT, and manufacturing.
Clients
- Change Donations
- ELSA
- Satori Analytics
- ING
Industries
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Scalo provides IT staff augmentation services for a digital consulting company. They find suitable candidates for in-house teams and end-client projects, also taking care of technical interviews.
“They’re great at sourcing candidates that fit well with us. Scalo finds right-minded people for our projects.”
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9
- $25,000+
- 1,000 - 9,999 employees
- Warszawa, Poland
Founded in 1998 in Denver, Itransition now has multiple offices in the U.S., U.K., E.U., and locations in eastern Europe housing more than 2,200 employees. They help power enterprises and SMBs globally with their digital solutions in the areas of business process automation, AI, data analytics, customer experience, and others.
Clients
- Expedia
- Xerox
- Toyota
- eBay
Industries
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Itransition is helping develop and design a web and mobile app for a forensic ballistics company, including the entire backend infrastructure. Currently, they’re working on an AIML project as well.
“Excellency is the most important characteristic of Itransition; they apply it to everything they do.”
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10
- $10,000+
- 250 - 999 employees
- Poznań, Poland
Based in Poland, STX Next is a global software development company. The agency was founded in 2005 and carries a team of over 200 full-stack Python developers alone. In total, the company has over 400 professionals that specialize in web development, software development, and application testing.
Clients
- Mastercard
- Decathlon
- Tiqets
- Verisk
Industries
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STX Next has developed a web platform for a financial advisory company using Python and Vue.js. The platform allows the client’s users to leave a review and has a fee reconciliation function too.
“STX Next is impeccably good when it comes to communication.”
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11
- $50,000+
- 250 - 999 employees
- Kraków, Poland
Intetics Inc. is a technology company headquartered in Naples, FL, with offices in Minsk, Belarus, Wilmette, Ill., Krakow, Poland and Kharkiv, Ukraine. Founded in 1995, Intetics' team of 474 employees provides small, midmarket, and enterprise businesses with a variety of different services such as custom software development, mobile app development, and application management & support, among others.
Clients
- Encyclopaedia Britannica
- SugarCRM
- Snap-On
- Würth
Industries
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Intetics Inc. is developing the components of a cybersecurity firm's vulnerability management platform. They've conducted discovery sessions, checked the current app, and listed all the client's requirements.
"Their responsiveness and pricing are impressive."
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12
- $25,000+
- 250 - 999 employees
- Warszawa, Poland
Altkom Software & Consulting, founded in 1998, is a software development company headquartered in Warsaw, Poland, with an additional office in Krakow, Poland. They specialize in custom software development, web development, and application management & support. The company has 130+ employees who work with enterprise, mid-market, and small businesses. The businesses they serve are mostly in the financial services industry.
Clients
- BNP Paribas
- AXA Insurance
- Santander
- Danone
Industries
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Altkom Software & Consulting provided IT consulting services for a private bank. They analyzed strategic business solutions and crucial IT deficiencies, evaluated potential risks, and proposed mitigation plans.
"They worked fast and according to high market standards and solutions."
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13
- $5,000+
- 250 - 999 employees
- Białystok, Poland
SoftwareHut is a software development house with offices around the world, including London, New York, Paris, Munich, Dublin, Stockholm, Copenhagen and Zurich. Founded in 2015, they also have seven offices in Poland, including Bialystock, Olsztyn, Przemysl, Szczecin, Warsaw, Wroclaw, and Poznan. They employ 173 staff specializing in designing, customizing and developing professional IT systems, LIMS, SCM, and mobile apps.
Clients
- Microsoft
- Sonetel
- QBank
- Skyscanner
Industries
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SoftwareHut provided frontend dev and UI/UX design for a cybersecurity software company. They built the product’s architecture and suggested frameworks to be used. They also implemented a management portal.
"SoftwareHut’s design was a big leap forward for our product."
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14
- $50,000+
- 1,000 - 9,999 employees
- Warszawa, Poland
Avenga is a global IT and digital transformation consultancy with over 20 years of experience for verticals such as pharma & life science, insurance and finance. Avenga has more than 2500 professionals with offices in Germany, Poland, Ukraine, the U.S., and Malaysia. Services include digital strategy & CX, custom software development, staffing, as well as Salesforce consulting, big data, and cloud solutions.
Clients
- IQVIA
- GSK
- QPharma
- Roche
Industries
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A financial services company hired Avenga for their DevOps, cloud consultation, and system integration services. The team utilizes AWS, Snowflake, and Bitbucket as their primary development tools.
"They're very open to feedback, which makes them a robust partner for our organization."
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15
- $25,000+
- 250 - 999 employees
- Wrocław, Poland
Objectivity Ltd. is an IT company headquartered in Coventry, United Kingdom, that provides custom software and web development, as well as web design functions. Founded in 1991, the company has over 600 employees. The businesses they serve represent multiple industries including the business services, financial services, and real estate industries.
Clients
- Morrisons
- Primark
- Edrington
- Knight Frank
Industries
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Objectivity Ltd. provides web and mobile app development for a financial services company. Their work includes creating applications that manipulate displayed data for third party clients.
“They quite often go the extra mile.”
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16
- $50,000+
- 50 - 249 employees
- Warszawa, Poland
Cybercraft Inc. is a development agency headquartered in Lviv, Ukraine, that was established 2012. Their team of 19 offers custom software development, IT staff augmentation, web development, and more.
Clients
- Palo Alto Networks
- Chime
- 1Konnection
Industries
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CyberCraft Inc. provided cloud software development for a software company. They executed continuous integration and continuous delivery (CI/CD) development in Node.js, ReactJS, Golang, AWS Cloud, and Jenkins.
"These engineers were highly skilled and had a startup mentality."
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17
- $25,000+
- 250 - 999 employees
- Warszawa, Poland
ITMAGINATION is a technology services company in Warsaw, Poland with more than 400 employees. Established in 2008, they do customer software development, web development, and BI and big data consulting. ITMAGINATION primarily serves midmarket–enterprise clients in the financial services, business services, and utilities sectors.
Clients
- American Express (previously Kabbage)
- Greenlight
- BNP Paribas
- L'Oréal
Industries
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ITMAGINATION was hired by a packaging solutions provider to migrate data from their data warehouse to Azure. This involved architecture review and MDM tools reverse engineering, among other tasks.
"Their technical competency was very impressive."
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18
- $250,000+
- 250 - 999 employees
- Warszawa, Poland
JCommerce is a software company based in Katowice, Poland, with offices in six other cities in Poland. Founded in 2005, the team of 318 specializes in custom software development, IT staff augmentation, and BI and big data consulting and SI. They work primarily with midmarket, focusing on information technology, manufacturing, and financial services.
Clients
- Aras Corp
- Backbase
- Boozt
- Bystronic
Industries
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A wholesale building materials company partnered with JCommerce to develop a data model on Qlik Sense. This data model will enable the client to better understand and visualize their business performance.
"I can expect them to reply right away whenever I need something. For me, that’s a huge advantage."
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19
- $10,000+
- 250 - 999 employees
- Warszawa, Poland
*instinctools is a software product development and consulting company headquartered in Germany and USA, with development hubs in Poland and Kazakhstan. Founded in 2000 with 350+ employees on board now, *instinctools’ provides Product software development, BI and Big Data, Cloud, UX Design, Web & Mobile development, and Innovation consulting services. Their global delivery model reduces development costs while increasing speed to market.
Clients
- Daimler
- Fujitsu
- Haver & Boecker
- Burda Digital
Industries
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*instinctools provides ERP customization for a tv services and media company. They help the client with Odoo ERP software integration to match and connect with BI tools for analytics and data visualization.
"They are very responsive and effective in customizing the system, trying to engineer and offer the best fit solution."
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20
- $25,000+
- 10 - 49 employees
- Kraków, Poland
Founded in 2016, EXB Soft is a computer software company based in Kharkiv, Ukraine that focuses on custom software and web development. Their team of around 15 employees provides services to small and mid-sized businesses in the financial and telecom industries.
Industries
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EXB Soft provided front- and backend development resources in support of an internal data tool.
"If EXB Soft is given all that they need, they’ll deliver one hundred percent of the time."
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21
- $25,000+
- 250 - 999 employees
- Warszawa, Poland
Founded in 2016, MITRIX Technology is located in Belarus, Minsk. Their team of 21 employees provides web development, custom software development, and IT staff augmentation services to small businesses.
Industries
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MITRIX Technology provided custom development services for a cloud security company. The team helped the client develop the MVP of their product.
"Their developer was top-notch and very knowledgeable, and the quality of their work was amazing."
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22
- $10,000+
- 50 - 249 employees
- Wrocław, Poland
Angry Nerds is a software development house based on Wroclaw, Poland. Established in 2015, they have more than 60 employees who provide app development services for global clients consisting mostly of small and mid-market firms. Their services include custom software development, web development, and mobile development for Android and iOS. They also offer staff augmentation.
Clients
- Homedot app
- Cats and Dogs app
- NeoTaste
- Epaka
Industries
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Angry Nerds developed an interactive map and custom CMS for a UX design consultancy. They built the software based on the provided design, conducted tests, deployed it, and provided a CMS training workshop.
"The Angry Nerds team was very responsive and quick to take action on any feedback we had."
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23
- $25,000+
- 50 - 249 employees
- Wrocław, Poland
Custom software development firm Rite NRG was founded in 2017. The small Wrocław, Poland-based team offers custom software development, e-commerce development, IT strategy consulting, and product design.
Clients
- Ikea
- Santander
- Metapro
- Maersk
Industries
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Rite NRG was hired to develop a web3 solution and a mobile application for a mobile app design agency. Rite NRG developed an app anchored on blockchain technology, crafting smart contracts using Solidity.
"They consistently demonstrated responsiveness to our queries and concerns."
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24
- $10,000+
- 50 - 249 employees
- Warszawa, Poland
Lightpoint Global is a development company with 41 employees that is based in Minsk, Belarus. Since being founded in 2011, they have focused on web development, big data consulting, and cloud consulting. They work with both small and mid market businesses in mainly media, education, and financial services.
Industries
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Lightpoint Global handles IT consulting and staff augmentation services for a web development firm. They are in charge of tech stack analysis, QA, and more. The client also hired tech specialists from the team.
"They are always ready to help and solve any kind of technical issue."
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25
- $25,000+
- 50 - 249 employees
- Rzeszów, Poland
Ideo Agency is a full-service software house based in Rzeszów, Poland with offices in Warsaw, Poland, and Drammen, Norway. Since its start in 1999, their team of more than 50 has provided custom software development, web development, e-commerce development, and digital design and marketing services.
Clients
- Aarsleff Ground Engineering
- Arcelor Mittal
- Barilla
- Bien Air
Industries
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Ideo developed and launched an e-commerce website. The solution included UI/UX and SEO.
"The launch improved our sales and earned several prestigious awards."
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26
- $10,000+
- 1,000 - 9,999 employees
- Wrocław, Poland
Founded in 2005, PGS Software is an IT solutions company based in Wroclaw, Poland. They provide development and consulting services to businesses of all sizes from a variety of industries.
Clients
- Yell
- Schmitz-Cargobull
- Coople
- Interflon
Industries
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Xebia (formerly PGS Software) has provided mobile application development services for a travel and hospitality app company. They’ve built a native app for iOS and Android and a user portal using JavaScript and Ruby on Rails.
"Our whole relationship has continually evolved on both sides. We’re a team."
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27
- $25,000+
- 250 - 999 employees
- Warszawa, Poland
K2 Digital Products is a digital firm based in Warsaw, Poland with more than 50 employees. They have provided UX/UI design, e-commerce development, and product design solutions to clients ranging from small companies to large firms.
Clients
- ABB
- Bayer
- Carrefour
- PKO BP
Industries
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Fabrity was hired by a fuel retail business to construct a mobile app that would digitize processes for retail customers, thus increasing sales. The team also created the app's UX/UI design.
"The fact that projects are highly flexible cannot be overstated."
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28
- $25,000+
- 10 - 49 employees
- Kraków, Poland
Vimanet is a software development company located in Krakow, Poland. Founded in 2007, its team of about 20 specializes in custom software development and web development.
Clients
- 4subsea
- Bridgeline
- Sani nudge
- Fertility Consent
Industries
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Vimanet developed a staff reporting mobile app for a software development company. They also built a back office web app and admin panel for the client.
"Their flexibility and technical ability were something that we valued highly in our partnership."
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29
- $10,000+
- 50 - 249 employees
- Warszawa, Poland
LeanCode is a software studio founded in 2016 and based in Warsaw, Poland. With more than 10 members in their team, they specialize in custom software, web, and mobile app development services for clients in the fields of education, transportation, and consumer products.
Clients
- Credit Agricole Bank
- Shell
- Innogy
- Maspex
Industries
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LeanCode has developed a demo app and a website for a financial services company. They've migrated data from the old to the new app version, improved the UX, and developed new features, such as payment options.
"Everything is of a high standard!"
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30
- $10,000+
- 10 - 49 employees
- Gliwice, Poland
VTS Software is software development company located in Manchester, U.K. Since 2007, their small team of around 5 has been specializing in custom software, web, and mobile app development for small and mid-sized businesses alike. They have experience in a variety of industries such as advertising, healthcare, manufacturing, and business services.
Clients
- Whispering Smith
- ATS Heritage
- Speakr
Industries
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VTS Software worked on bespoke software development, building both the front- and backend. They used AngularJS and C# for the Silverlight, native Android, and web app development.
"All the requirements were delivered within the defined scope and timeframe."
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