Senior Software Engineer (10/931)

SUMMARY

💰 120 - 140 PLN/h (B2B)

💰 14 000 – 17 000 PLN brutto (UOP)

📍 Kraków (Hybrid - 2 days office / 3 days remote)

💼 Senior

Project

Join a global engineering team developing enterprise-grade applications built on the Microsoft technology stack. You will contribute to the design, development, and continuous improvement of scalable web applications, working across both backend and frontend technologies while delivering high-quality, maintainable software.

You will

• Design, develop, and maintain scalable .NET applications
• Translate business requirements and use cases into technical solutions
• Build clean, reusable, and maintainable code following engineering best practices
• Develop and enhance web applications across backend and frontend layers
• Optimize application performance, quality, and responsiveness
• Identify and resolve performance issues, defects, and technical bottlenecks
• Support the continuous development and production deployment of .NET solutions
• Collaborate with cross-functional teams in an Agile environment

Must have

• 10+ years of experience in software engineering
• Strong expertise in C# and the .NET ecosystem (.NET 6 or newer)
• Solid experience with Microsoft SQL Server
• Experience building applications with ASP.NET MVC and Web API
• Frontend development experience using HTML, CSS, JavaScript, and modern frameworks such as React or Angular
• Strong understanding of object-oriented programming and software design patterns
• Experience developing reusable C# libraries and scalable application architectures
• Experience with Git, CI practices, and automated testing frameworks
• Fluent English and Polish

Nice to have

• Experience working in enterprise-scale environments
• Knowledge of modern DevOps and CI/CD practices
• Experience with cloud-based application development
• Familiarity with Agile software delivery methodologies

Our offer

• Relocation package (4500 PLN total value), paid in three installments (1500 PLN per month) in case your permanent presence in the office is mandatory, and you need to relocate from another city.
• Benefits: Extended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family; Multisport Benefit card; life insurance