Senior Software Engineer (m/f/d)

Contenido del rol extraído en secciones para revisar más rápido.

Own backend robustness: Improve and maintain core backend components with a focus on correctness, performance, and long-term maintainability
Solve complex business logic: Identify and fix edge cases caused by heterogeneous customer data and evolving requirements
Improve database performance: Analyze and optimize slow queries, data access patterns, and schema decisions as data volume increases
Build pragmatic solutions: Extend existing systems carefully, choosing simplicity over premature optimization & abstraction
Collaborate on operations where it matters: Contribute to infrastructure, CI/CD, observability, and deployment improvements that directly impact backend stability and scalability
Work closely with the team: Collaborate with other engineers and product to turn real operational needs into reliable backend behavior

Proven experience as a Senior Software Engineer
2+ years of experience with Python in production systems
2+ years of experience with Django
Strong problem-solving skills
Hands-on experience with PostgreSQL, including data modeling and query optimization
Experience designing and implementing RESTful APIs
Proficient with Git and collaborative workflows (feature branches, pull requests, code reviews)
Experience writing automated tests to ensure reliability and prevent regressions
Ability to make pragmatic technical decisions, avoiding overengineering while maintaining high standards
Experience working with AWS ECS and containerized deployments in production environments
Clear, collaborative communication in English
Nice to have: Prior exposure to financial or data-heavy systems
Core hours: 10:00 to 16:00 CET

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