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  • All offersWarszawaNetSenior .NET Developer
    Senior .NET Developer

    Senior .NET Developer

    Type of work
    Employment Type
    Permanent, B2B
    Operating mode


    Założone w 1976 roku CGI jest jedną z największych na świecie, niezależnych firm doradztwa IT i biznesowego. Od początku budujemy wysoce etyczną i wspierającą organizację. Działamy na rzecz swoich klientów, członków, udziałowców oraz społeczności, w których żyjemy i pracujemy.

    Company profile

    Tech stack



      .NET 6








    Job description

    Online interview
    Friendly offer

    We offer an opportunity to work on projects for client in the financial industry.

    This role may require communication and interaction with a wider international team.

    In this position, your contribution will be important in:

    • Development of high-quality software applications using .Net 6+, C#, WinForms, TPL and internally developed frameworks
    • Overseeing automated unit testing and ensuring the implementation of effective testing strategies
    • Collaborating with cross-functional teams to define, design, and ship new features
    • Providing technical guidance and mentorship to team members, fostering a culture of excellence and continuous improvement
    • Driving the adoption of best practices in coding, architecture design, and patterns
    • Ensuring the performance, quality, and responsiveness of applications
    • Leading code reviews, maintaining high standards of code quality and security

    Ideally if you posses the knowledge of the following technologies:

    • 7+ years of commercial experience as a .NET Developer
    • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
    • Proven experience as a Development Lead or similar role, with a strong portfolio of projects in .Net 6+, C#, WinForms, and Threading TPL
    • Expertise in Clean Architecture, Domain-Driven Design (DDD), and Test-Driven Development (TDD)
    • Experience with automated unit testing and proficient in architecture design and patterns
    • Exceptional leadership and communication skills, with the ability to lead and motivate a development team
    • Solid understanding of the software development lifecycle and agile methodologies

    If you have experience in a similar position, please contact us.

    Our offer contains:

    • Work from our office in Warsaw or in a hybrid model (remote/office) considering your individual preferences.
    • Flexibility in type of contracts to be chosen – ideally an employment contract, but if you have other expectations, tell us about it
    • Healthcare / Medicover paid by CGI with a free dental package
    • Share purchase plan co-financed by CGI, with the possibility of cashing at any time
    • Sports card
    • Creative Work
    • Employee psychological support program
    • Annual bonus plan, depending on the annual financial results
    • Rewarded referral program, minimum PLN 6k for recommendation
    • Be Consultant program, thanks to which you have the opportunity to strengthen your competences
    • Mentoring program
    • Possibility of accounting for creative work (author's tax-deductible costs)
    • Attractive training program - Brown Bags, hackathons and knowledge sharing

    About us:

    CGI is a global IT and business process services provider delivering high-quality business consulting, systems integration and outsourcing services. With over 91500 professionals in 40 countries, of which nearly 200 in Poland in 3 cities, CGI is a world leader in transforming innovation, information and technology to the success of our customers. A combination that opens many and flexible career paths.