Senior Software Developer

• Design, develop, optimise, and maintain the backend of our trading platform using .NET (C#)
• Develop, optimise, and quality-assure back-office front-end applications
• Independently implement technical specifications in close collaboration with colleagues
• Support ongoing operations, including monitoring, troubleshooting, and issue resolution

• Excellent knowledge of .NET and C#
• Extensive experience developing professional enterprise software

Personal Qualities

• Comfortable working independently and taking ownership
• Strong initiative, responsibility, and dedication
• Team-oriented mindset with a proactive approach
• Enthusiastic, motivated, and eager to learn
• Excellent German and good English language skills

Nice to Have

• Experience with .NET Core, messaging frameworks (gRPC, AMQP, etc.)
• Familiarity with CI/CD tools (Azure DevOps) and unit testing frameworks
• Experience with SQL Server, Python, or PowerShell
• Background in building high-performance server applications (multithreading, profiling)
• Front-end development experience with WinForms (DevExpress)
• Experience working in agile environments (Scrum)
• Knowledge of banking, stock exchange, or trading systems

• Monthly gross salary between €4,500 and €5,500 (paid 14x per year), depending on qualifications
• Performance-based bonus
• Company pension scheme and company life insurance
• Phantom share participation
• Restaurant vouchers (€8 per working day)
• 28 days annual leave plus an additional day off on your birthday
• Free coffee, fruit, and drinks

If you're passionate about building robust, high-performance software and want to work in a technically challenging trading environment, we'd love to hear from you.