Senior Back-End Engineer (Python)

As a Senior Back-end Engineer (Python), you will serve as a senior member of our tech team, developing the Python-based application logic and services that power our product. You will design, develop, and maintain scalable backend APIs and related infrastructure using FastAPI, Flask, and Postgres, and collaborate closely with product managers, frontend engineers, and data teams to deliver robust backend solutions.

Requirements

• 5+ years of experience designing and building backend systems, APIs, or services
• Hands-on experience with Python frameworks (FastAPI, Flask) and relational databases (Postgres)
• Proven ability to deploy and maintain applications in AWS environments
• Strong experience with CI/CD pipelines, automated testing, and version control (GitLab/Git workflows)
• Experience with Docker and Kubernetes for containerised application deployment
• Works collaboratively and values team success over individual credit
• Thrives in cross-functional teams and enjoys helping others succeed
• Highly organised, self-motivated, and able to work in a fast-moving environment
• Strong written and verbal communication skills

Benefits

• Competitive salary- adjusted for experience and market benchmarks
• Swiss employment contract based in Geneva (for those already in Switzerland), or full remote b2b contract (for those outside of Switzerland)
• Join a team of exceptional talent — At ZYTLYN, we hire thoughtfully and selectively, bringing together a small, focused team of high performers.