Top 100 C# Developers

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Top 100 C# Developers

The Best of March 2024

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C Sharp, or C#, is a programming language created by Microsoft. It's general-purpose and addresses static typing, object- and component-oriented programming approaches. 

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List of the Best C# Programmers

  • 1
    (40 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.6
    • Would Recommend

      4.9
    • $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.

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    Clients

    • Corelogic
    • Dell
    • Backbase
    • Branch

    Industries

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  • 2
    (41 Reviews) 4.7
    • Timeliness

      4.6
    • Service Excellence

      4.7
    • Value

      4.4
    • Would Recommend

      4.9
    • $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.

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    Clients

    • Allocate
    • Demica
    • 4 finance
    • Coconet

    Industries

  • 3
    (32 Reviews) 4.9
    • Timeliness

      4.6
    • Service Excellence

      4.9
    • Value

      4.3
    • Would Recommend

      5.0
    • $50,000+
    • 1,000 - 9,999 employees
    • L'viv, Ukraine

    Sigma Software Group is a software development & consulting partner with headquarters in Lviv, Ukraine, and offices in the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Poland, Latin America, and Portugal. Founded in 2002, the company accounts for over 2000 employees, helping clients from startups to Fortune 500 brands with software product and custom solutions delivery, digital transformation, Big Data, AI/ML, AR/VR, IoT, web & app development services.

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    Clients

    • Volvo
    • Scania AB
    • KnorrBremse
    • AstraZeneca

    Industries

  • 4
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 250 - 999 employees
    • Nashville, TN

    Founded in 2011, Trinetix Inc. Is a custom software development company. Their midsize team is in Wilmington, Delaware; Kyiv, Ukraine and Kyiv, Ukraine. Their team focuses on custom software development, cloud consulting & SI, enterprise app modernization, mobile app development, and more.

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    Clients

    • Big 4 Accounting firms
    • McDonald's
    • 360 view
    • Sage Freight

    Industries

  • 5
    (5 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • El Segundo, CA

    Founded in 2001, Thinklogic is a development firm. Their small team is based in El Segundo, Calif. They focus on custom software, web, and mobile app development.

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    Clients

    • Johnson & Johnson
    • Ceridian
    • City of Long Beach
    • Writers Guild of America, West

    Industries

  • 6
    (25 Reviews) 4.8
    • Timeliness

      4.9
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.8
    • $25,000+
    • 50 - 249 employees
    • Princeton, NJ

    Glorium Technologies is a healthcare-focused app and software development company headquartered in Manalapan, N.J. The company was founded in 2010, and has a team of around 70 employees who specialize in web development, custom software development, and mobile app development. They work mostly with small and mid-market businesses in the health care & medical industry.
     

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    Clients

    • CAE Healthcare
    • AGFA Healthcare
    • REALPAGE
    • control.IT

    Industries

  • 7
    (19 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $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.

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    Clients

    • Fenergo (Fintech)
    • REGENHU (Biotech)
    • VecCtor (Digital infrastructure for Industry 4.0)
    • HTP J-1 Visa Programs

    Industries

  • 8
    (29 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      4.9
    • $50,000+
    • 1,000 - 9,999 employees
    • Tallinn, Estonia

    Founded in 1991, ELEKS is a provider of software development, product design and technology advisory services. They offer cooperation models that fit the goals, resources and timelines of Fortune 500 companies, large enterprises, and small businesses. ELEKS has more than 2,000 specialists and 17 offices on three continents to serve their clients globally. 

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    Clients

    • Eagle Investment Systems (a subsidiary of BNY Mellon)
    • Autodesk
    • ESET
    • TAIT

    Industries

  • 9
    (8 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Rīga, Latvia

    UNECOS SOLUTIONS is a development company. They are based in Riga, Latvia, and have a team of nine. Their services include custom software development, web development, mobile app development, and e-commerce development. The company was founded in 2019.  

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    Clients

    • UonCloud
    • 2Pint Software
    • PortalFuse

    Industries

  • 10
    (35 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 250 - 999 employees
    • Lake Oswego, OR

    Founded in 2009, Unosquare, LLC is headquartered in Lake Oswego, Ore. with other locations in Guadalajara, Mexico, and Belfast, U.K. With more than 600 employees, they provide software testing and development services, combined with their staff augmentation services to meet software engineering needs, using nearshore development professionals.

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    Clients

    • Vesta
    • Harvard Business Publishing
    • Foundation Medicine
    • Edwards Lifesciences

    Industries

  • 11
    (17 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • Undisclosed
    • 250 - 999 employees
    • New York, NY

    Abto Software, founded in 2007, is a custom software engineering company headquartered in New York City, with an additional office in Lviv, Ukraine. The company’s team of 208 people specialize in AI, enterprise app modernization, and web development. Their clients are mid-market, small, and enterprise businesses. Most of the businesses they work with are in the IT, health care & medical, and retail industries. 

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    Clients

    • Medikit
    • UPGREAT
    • Skybow
    • WeGo VISION LTD

    Industries

  • 12
    (32 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      4.8
    • $25,000+
    • 250 - 999 employees
    • Austin, TX

    Maruti Techlabs is a product development company based in Ahmedabad, India. Founded in 2009, the team of 140 works to build future-proof products and guide digital transformation and sustainable scaling for small, mid-sized, and enterprise clients across a wide range of industries.

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    Clients

    • Telefonica
    • NHS
    • Domino Printing
    • Amneal Pharma

    Industries

  • 13
    (34 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • L'viv, Ukraine

    Leobit is a web and mobile application development company based in Lviv, Ukraine.  Founded in 2014, their team of 114 specializes in IT staff augmentation beyond their development capabilities. They work with mid market and enterprise companies in the information technology, hospitality, health care, and e-commerce industries. 

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    Clients

    • KEMET Corporation
    • Antourage
    • VismoX
    • Imnoo

    Industries

  • 14
    (55 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • $50,000+
    • 250 - 999 employees
    • Farnborough, United Kingdom

    One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups

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    Clients

    • Smith & Nephew
    • GAIL's Bakery
    • Costa Express
    • Pearson

    Industries

  • 15
    (13 Reviews) 4.8
    • Timeliness

      4.7
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

      5.0
    • $10,000+
    • 250 - 999 employees
    • Winnersh, United Kingdom

    Ballard Chalmers is a software development company based just south of London. Founded in 2005, their team provides custom software development, modernisation and integration, as well as support and IT Managed Services.

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    Clients

    • Apex
    • Virgin Atlantic Airways
    • Ipes
    • Good Energy

    Industries

  • 16
    (33 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      4.9
    • $50,000+
    • 1,000 - 9,999 employees
    • Vienna, VA

    Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.

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    Clients

    • HughesNet
    • Johnson & Johnson
    • PayPal
    • CocaCola

    Industries

  • 17
    (22 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.4
    • Would Recommend

      4.7
    • $10,000+
    • 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.

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    Clients

    • Change Donations
    • ELSA
    • Satori Analytics
    • ING

    Industries

  • 18
    (11 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.5
    • Would Recommend

      4.5
    • $50,000+
    • 10 - 49 employees
    • Ottawa, Canada

    Iversoft is a full stack digital agency. They were founded in 2009, are based in Ottawa, Canada, and have a staff of 26 employees. They specialize in custom software development, digital strategy, and mobile app development for small business and midmarket clients in the entertainment, non-profit, and gaming industries. 

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    Clients

    • Centre For Addiction and Mental Health
    • Tribute Entertainment
    • HarperCollins' Harlequin
    • GAPC

    Industries

  • 19
    (55 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 250 - 999 employees
    • Tampa, FL

    KitRUM is a software engineering company that was founded in 2014. The company is headquartered in Clearwater, Fla., with secondary locations in Krakow, Poland and Kharkov, Ukraine. They are made up of 49 employees. They specialize in AR/VR development, IoT development, and mobile app development. 

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    Clients

    • Brands choose us because of our distributed nearshore engineering teams who rock in designing pixel-perfect UI
    • architecture
    • scalable web systems and mobile apps development with thousands of downloads. Our clients are a mix of Fortune enterprises
    • newly born VC-backed startups

    Industries

  • 20
    (16 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      4.9
    • $25,000+
    • 10 - 49 employees
    • Vaughan, Canada

    Exilion Technologies Inc is a custom software development firm. Founded in 2008, the company is headquartered in Vaughan, Canada. The team specializes in custom software development and blockchain solutions.

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    Industries

  • 21
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $50,000+
    • 250 - 999 employees
    • Cluj-Napoca, Romania

    Lateral Inc. is a software development company based in Cluj, Romania, that was established in 2008. Their team of 118 employees offers custom software development, e-commerce development, web development, and branding services.

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    Clients

    • AMEX
    • Snap
    • Rubicon Global
    • Travelzoo

    Industries

  • 22
    (10 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $5,000+
    • 50 - 249 employees
    • Cape Town, South Africa

    Haefele Software is an outsourced Microsoft software development company based in Cape Town, South Africa, with offices in Melbourne, Australia; Tampa, Florida; and London. The company, founded in 2006, has more than 50 employees and provides custom software development, IT strategy consulting, and IoT development services to enterprise and smaller-sized companies in various industries.

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    Clients

    • Tesco
    • Superdrug
    • Burger King
    • Spur Corp

    Industries

  • 23
    (17 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Synetec is a software development consultancy headquartered in London. They were established in 2009, and have 26 employees. Synetec's range of services includes cloud, CRM, and business intelligence consulting, software integration, web development, custom software development, and more.

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    Clients

    • Argentex
    • Genesis
    • Jabre Capital Partners
    • Zebedee Capital Partners LLP

    Industries

  • 24
    (7 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.2
    • Would Recommend

      4.9
    • $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.

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    Industries

  • 25
    (30 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • Phursungi, India

    Software development company Rheal Software Private Limited was launched in 2000. They are headquartered in Pune, India and have a midsize team. Rheal Software Private Limited focuses on custom software development, web development, e-commerce development, and mobile app development.

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    Clients

    • Vennd Technologies
    • CHS Healthcare Limited
    • G-UTS
    • ehouse

    Industries

  • 26
    (10 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $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.

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    Industries

  • 27
    (10 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $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. 

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    Clients

    • Lufthansa
    • Adidas
    • Boeing
    • Santander

    Industries

  • 28
    (17 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.7
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • Raleigh, NC

    Digital Mettle is a technology consultancy and custom software development firm based in Raleigh, N.C. The firm, founded in 2001, has a team of more than ten that provides custom software development, mobile app development, web development, and IT strategy consulting services to small and midmarket companies and institutions in business services, consumer products & services, education, financial services, health care and medical, nonprofit, and other industries.

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    Clients

    • Simpleview
    • Simple Certified Mail
    • Junior Golf Hub
    • National Apartment Association

    Industries

  • 29
    (9 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.4
    • Would Recommend

      4.8
    • $25,000+
    • 250 - 999 employees
    • Oslo, Norway

    Located in Oslo, Norway and Colombo, Sri Lanka, 99x is a midsize software development firm. Launched in 2004, the team provides custom software development, mobile app development, application testing, enterprise app modernization, and more.

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    Clients

    • SuperOffice AS
    • Carcare Systems Europe AB
    • Kahoot!
    • Hatteland Rambase

    Industries

  • 30
    (58 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.8
    • $25,000+
    • 1,000 - 9,999 employees
    • Orlando, FL

    Simform is a custom software development company founded in 2010. They have helped organizations ranging from startups, Fortune 500 companies, and WHO-backed NGOs. The team of 250+ delivers digital solutions for their clients and offer artificial intelligence services, API integration, dedicated software development team, and software testing services.
     

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    Clients

    • Redbull
    • Hilton
    • Sony Music
    • Boy Scouts of America

    Industries

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