Senior Software Engineer – Backend

You will design, develop, and operate mission-critical payment and transaction services as part of a modern e-banking platform, ensuring correct, secure, and highly available payment processing.

• Develop and enhance backend services for payment and transaction processing
• Implement and integrate payment standards and interfaces
• Ensure stability, performance, traceability, and security
• Implement business logic: validations, bookings, and status processing
• Collaborate with frontend, BFF, core banking, and security teams
• Code reviews and compliance with quality and security guidelines
• Participate in agile development processes (Scrum / Kanban)

• 5+ years of backend development experience
• Solid expertise in transaction-oriented systems
• Experience with payment/banking services (transfers, clearing, etc.)
• Strong skills in API design and backend architectures
• Experience with data persistence and transaction management
• Knowledge of security-critical and regulated systems
• German-speaking
• Solid banking domain experience (required)

• Health Insurance Allowance for peace of mind
• Annual Performance Bonus to reward your impact
• A collaborative, international work culture with opportunities for continuous learning and growth