Senior Backend Engineer (f / m / x) - Wien

Our client in the  SaaS sector  based in Vienna offers an exciting opportunity for experienced backend experts who love modern technologies and want to design scalable architectures. They are looking for a passionate developer who not only writes code but also actively contributes to technological advancement.

Your responsibilities :

• Develop and improve backend services : Build and maintain SaaS backends using Python, Django, Django REST Framework, and FastAPI – complemented by modern technologies like Go, Java, or NestJS
• Apply architectural concepts : Use of Domain-Driven Design, modular monoliths (moduliths), microservices, and hexagonal architecture
• Design event-driven systems : Implement asynchronous communication using RabbitMQ or Kafka
• Optimize performance : Refactor existing systems, improve SQL queries in PostgreSQL, and ensure high-performing APIs
• Ensure code quality : Write clean, tested, and documented code; conduct code reviews and actively manage knowledge within the team
• Use modern tools : Leverage AI coding assistants and automation to increase efficiency
• Collaborate in an agile way : Work with colleagues from product, frontend, and QA in a Scrum / Kanban setup

Your profile :

What you can expect :

JobNr : 3273