Software Developer (.NET)

O projekcie: We are looking for a .NET Developer to join one of our backend teams working on systems supporting business operations, integrations, and data processing in an international environment. You will primarily work with .NET-based systems while collaborating within a broader ecosystem that also includes Java applications. The role involves developing new functionalities as well as improving and maintaining existing solutions. Tech Stack  - .NET (including .NET Framework, .NET Core, .NET 5+),  - C#, - REST APIs, - Git, - databases (e.g. MS SQL Server, SQLite, PostgreSQL), - CI/CD Wymagania: - Minimum 3 years of experience in .NET development - Strong knowledge of C# - Experience in backend development and building APIs - Experience with relational databases - Knowledge of Git - Experience working in Agile/Scrum environments - Strong communication skills and openness to working in an international environment - English at B2 level or higher Nive to have:  - Experience with Java or willingness to work in a mixed technology environment (.NET + Java) Codzienne zadania: - Design, develop, and maintain backend applications using .NET, ensuring performance, stability, and maintainability - Design and implement APIs aligned with business and technical requirements - Analyze requirements and implement new features and enhancements - Maintain and improve existing systems - Develop and maintain integrations with internal and external systems - Troubleshoot, debug, and resolve technical issues, including root cause analysis - Collaborate with cross-functional and cross-border teams (e.g. Poland and Germany) - Participate in code reviews and contribute to development standards and best practices - Create and maintain technical documentation - Support deployment processes and CI/CD pipelines