Senior Backend Engineer
CirconomitCologne, North Rhine-Westphalia, Germany
Posted March 4, 2026
Full Time
About the Company
Early-stage organisation that values speed of development without cutting corners on product quality
Job Description
We are looking for a Senior Backend Engineer to build the backbone of our technology and develop end-to-end features that deliver immediate value for our customers. As a key member of our core team, you will shape the technical foundation and story of our company, with ownership and decision-making authority from day one.
Requirements
- 5+ years of software engineering experience
- GitHub or portfolio showcasing capabilities and expertise
- Proficiency in TypeScript, SQL, and modern frameworks (Solid.js, Tantstack Start, or similar)
- Familiarity with data structures, algorithms, and cloud-based architecture
- English and German proficiency at the C1 level or higher
- Ability to relocate to Cologne, Germany
Benefits
- Competitive salary
- Equity
- Urban Sports Club membership
- Opportunity to learn and progress quickly
