.NET Regular Developer

Location Rzeszów, Białystok, Łódź
Offer description Join our team as a .NET Developer at Kruko, a software house specializing in creating modern web and mobile applications tailored to our clients’ needs. We deliver innovative projects that support and optimize business processes for companies in Poland and around the world.
Responsibilities:
  • Designing, developing, and maintaining backend and web applications using C# and .NET technologies.

  • Building and optimizing RESTful APIs for performance and scalability.

  • Implementing clean, efficient, and well-documented code.

  • Collaborating with project teams to define requirements and propose effective solutions.

  • Conducting testing, debugging, and maintenance of existing applications.

  • Integrating applications with databases and external services.

  • Researching and applying new technologies to continuously enhance our products.

  • Good command of English — minimum level B2.

  • Requirements:
  • Solid experience with C# and .NET Framework / .NET Core.

  • Good understanding of MVC architecture and Entity Framework / EF Core.

  • Practical experience with SQL databases and query optimization.

  • Familiarity with frontend technologies, especially JavaScript and React.

  • Knowledge of REST API design and integration.

  • Experience using Git for version control.

  • Understanding of unit testing principles and best practices.

  • Teamwork skills and effective communication.


  • Nice to Have:

    • Experience working with Microsoft Azure services.

    • Familiarity with CI/CD pipelines and DevOps practices.

    • Knowledge of design patterns and microservices architecture.

    • Interest in modern frontend frameworks or UI/UX concepts.


    We Offer:
    • Competitive employment conditions
    • Attractive compensation based on experience and skills.
    •  Benefits package.
    •  Flexible working hours.
    •  Opportunities for professional growth and training.
    •  Work in an international, collaborative team environment.
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    Last modified Tuesday, October 21, 2025