.NET and React Software Engineer

Position: Senior Software Engineer (C#, .NET/MS SQL/Docker)

Location: Warsaw, Poland (Hybrid - 3 days per week in the office)

Type of Contract: UoP

About the Role

We are looking for a highly skilled Senior Software Engineer to develop and enhance analytics for P&L and risk management. In this role, you will design, build, and integrate scalable workflows and applications, ensuring efficient and robust financial systems. You will work closely with cross-functional teams to drive technical excellence and support business-critical initiatives.

Responsibilities:

• Develop and maintain systems that ensure the firm’s liquidity, optimize cash flows, and provide real-time analytics for portfolio managers.
• Build and enhance applications related to margin, financing, and counterparty management.
• Design and implement features leveraging large financial datasets across multiple asset classes and business areas.
• Integrate with Treasury Quant libraries and APIs to deliver accurate financial calculations.
• Collaborate with end users to refine requirements and develop solutions to business challenges.
• Participate in code reviews, provide constructive feedback, and contribute to architectural discussions.
• Troubleshoot and resolve production incidents to maintain a seamless user experience.
• Work with application support teams to improve system observability and performance.

Requirements:

• Bachelor’s degree in Computer Science, Mathematics, Physics, Finance, or a related field.
• Minimum 8 years of experience developing complex applications in C#/.NET.
• Proficiency in .NET 8.0/9.0, .NET Framework 4.8+, MS SQL Server, and Docker.
• Experience with ReactJs for front-end development.
• Familiarity with Python or a willingness to learn.
• Strong analytical and problem-solving skills.
• Excellent verbal and written communication skills to convey complex technical concepts to non-technical stakeholders.
• Ability to take ownership of work and demonstrate a high level of personal responsibility.
• Commitment to the highest ethical standards.