Mid-level Backend Engineer
Ostrom
Seniority
Midweight
Model
Remote
Sector
Salary
Undisclosed
Contract
Full-Time
About the role
We are looking for a Mid-level Backend Engineer to join our Tech team. As part of a cross-functional team, you will be focused on projects related to new business alongside projects to reduce our Operations load, ensuring we can grow faster with a lean team.
What you'll do
- Design and build backend solutions from scratch.
- Take part in tech stack decisions—choosing the best tools, frameworks, and processes for the team.
- Help develop a scalable platform for the renewable energy sector using modern technologies.
- Integrate new product lines like smart meters, dynamic pricing, EV charging, and more.
What you'll need
- 3+ years of backend development experience.
- Strong experience with TypeScript.
- Confident designing and building APIs.
- Solid understanding of relational databases.
- Commitment to writing clean, testable code (unit, integration, and E2E testing).
- Comfortable working on greenfield projects and building systems from the ground up.
- Strong communication skills and fluency in English.
- Familiarity with CI/CD workflows (e.g., Docker, GitHub Actions).
Nice to have
- Experience with AWS services (ECS, RDS (Aurora), S3, CloudWatch, Lambda).
- Experience with React or React Native, or willingness to learn new technologies and take on full-stack tasks when needed.
- Experience using AI tools (e.g., for debugging, documentation, testing).
What they offer
- Hybrid work model with dog-friendly office in Berlin, Mitte.
- Visa and relocation support if relocating to Germany.
- Annual growth budget with frequent development 1:1's and development cycles twice a year.
- Company shares (VSOP) to be part of the journey.
- Benefits including discounted gym membership, public transport ticket, e-Bike or e-Moped via Dance or Futurebens, and monthly vouchers.

