Senior .NET Developer

Be | Shaping the Future Poland is hiring for a senior .NET developer role based in Poland, with multiple office locations including Warszawa, Kraków, Wrocław, Poznań, and Gdańsk. The company focuses on integration with third-party portfolio management tools and financial services platforms.

• 5+ years of experience in .NET/C# development
• Good understanding of OOP principles, design patterns, and clean code practices
• Experience working with REST APIs and backend integration
• Familiarity with enterprise systems or larger application environments
• Strong problem-solving skills and attention to detail
• Fluency in English (written and spoken)
• Poland based

Nice to have:

• Practical experience with C++
• Experience in financial services (Equities, Funds, or Trading systems)
• Exposure to portfolio management or trading platforms
• Basic understanding of SQL, message queues, or real-time data processing
• Experience working in Agile teams

• Develop and maintain C#/.NET components supporting integration with a third-party portfolio management tool
• Implement front-end features and UI components using Angular
• Support integration workflows involving data exchange, REST APIs, and system interoperability
• Collaborate with internal technical and business teams to understand platform requirements and architecture
• Participate in code reviews, testing activities, and deployment processes
• Investigate and troubleshoot technical issues with guidance from senior team members

Poland based