Helix Labs · Development
Senior Backend Engineer
Berlin · 5 years required · Full-time · posted 9 Sep 2026
- Salary
- $5,200–6,800 / month
- City
- Berlin (office 3 days)
- Experience
- 5 years
- Education
- Degree or a public GitHub that proves the same
- Employment
- Full-time
- Posted
- 9 Sep 2026
Duties
Own the billing API: invoices, retries, and the worker that talks to the card processor. Review PHP pull requests. Pair with DevOps on the Redis cache that keeps the dashboard under 200 ms.
Requirements
Five years of backend work, at least two on Laravel. You have shipped a REST service that other teams consume. MySQL explain plans do not scare you. English for the weekly write-up.
Conditions
Office in Kreuzberg three days, remote two. 28 days leave. Hardware budget. No on-call for this seat.