Senior .NET Developer

Be | Shaping the Future Poland has a proven position of being a reliable partner for financial services organisations to analyse complex requirements, find solutions and implement them in their entirety, regardless of their complexity. Since the foundation of Be Poland in 2013, we have been continually expanding and customising our spectrum of services. Today, we are privileged to have in our team the best individuals in each sector we operate within the financial services industry.

Responsibilities:

• Develop and maintain C#/.NET components supporting integration with a third‑party portfolio management tool

• 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

Requirements:

• 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

Our offer:

• Competitive remuneration on B2B contract

• Option to activate Medicover and Multisport on preferential terms

• Access to Mindgram – mental health & well-being platform

• Free gym at Q22

• Personal development – internal online / onsite DevTalks

• Referral bonus program

• International environment