Backend Software Engineer (f/m/div.)

Job Description

• Backend Software Design: As a Backend Engineer you drive the detailed design, documentation, development of resilient and secure backend systems as well as APIs, following a modern, modular, and layered architecture.
• Service & Business Logic Development: Part of your task will be to implement and maintain critical backend services, core business logic, and database schemas, ensuring strong data consistency, integrity, and overall application reliability.
• Cloud & Deployment Excellence: You ensure the technical excellence of backend service deployments on our cloud infrastructure by applying best practices in observability, monitoring, scalability, and security.
• Technical Standards & Quality: Last but not least, you define and enforce backend engineering best practices, including automated testing, dependency injection patterns, and structured code reviews, to ensure long-term system stability and quality.

Qualifications

• Education: excellent degree (Bachelor or Master) in Computer Science, Software Engineering or a related field
• Experience and Knowledge:
  • several years of professional backend development experience with a strong focus on scalable, production‑grade SaaS systems
  • proven expertise in developing asynchronous Python‑based APIs, including mandatory hands‑on experience with FastAPI, Pydantic, and SQLAlchemy
  • advanced knowledge of PostgreSQL (data modeling, migrations with Alembic) and professional experience deploying applications to Kubernetes on hyperscalers (e.g. Microsoft Azure / AKS)
  • strong software and technical design skills, including secure, multi-tenant architectures, RESTful APIs, modular and layered system design, and automated testing (unit, integration, acceptance)
  • solid data proficiency (e.g. Pandas) and exposure to data platforms such as Databricks to enable effective collaboration with data scientists and data engineers
• Personality and Working Practice: you have excellent communication skills; you are highly experienced in working with international and interdisciplinary teams
• Languages: fluent in English, German is a plus

Equal Opportunity Employer

Diversity and inclusion are not just trends for us but are firmly anchored in our corporate culture. Therefore, we welcome all applications, regardless of gender, age, disability, religion, ethnic origin or sexual identity.