Senior Software Engineer (Fintech)

TL;DR

Senior Software Engineer (C#/.NET): Developing enterprise investment management products with an accent on financial instruments' life cycle and full-stack functionality. Focus on writing maintainable C# code, integrating APL, and implementing automated testing strategies.

Location: Hybrid in Warsaw, Poland (2 days in office, 3 days remote)

Company

A world-leading provider of integrated investment management solutions and an independent subsidiary of the Deutsche Börse Group.

What you will do

• Develop and support enterprise products within the Financial Instruments’ Life Cycle.
• Write clean, maintainable C# code adhering to established coding standards.
• Develop new features and debug existing functionality using APL.
• Create comprehensive automated tests (E2E, API, UT) to cover acceptance criteria.
• Collaborate with Product Owners and Technical Leads during feature analysis and refinement.
• Work as a full-stack developer across backend (SOA) and frontend systems.

Requirements

• M.Sc. in Finance, Computer Science, Mathematics, or a similar field.
• 3+ years of professional experience with C# (.NET or .NET Framework).
• Deep knowledge of relational databases such as Oracle or SQLite.
• Experience with Cloud and On-Prem infrastructures and CI/CD tools (Git, TeamCity).
• English: Upper Intermediate (B2) or higher required.
• Location: Must be based in Poland to support the hybrid office model in Warsaw.

Nice to have

• Knowledge of the financial domain, fintech, or derivatives (options, futures, swaps).
• Experience with Domain-Driven Design (DDD).
• Experience working within a Scrum team.

Culture & Benefits

• Hybrid work model with flexible hours (2 days office / 3 days remote).
• Comprehensive healthcare (Medicover Platinum) and Multisport card.
• Annual bonus structure and holiday allowance for 2-week vacations.
• Group life insurance and global business travel insurance.
• Eligibility for the Deutsche Börse Group Share Plan after one year.
• Professional training, courses, and language classes (Polish, German, English).