Backend Engineer
Role Summary
Join Clera as a Backend Engineer in Berlin, Germany, where you'll architect scalable systems and enjoy visa sponsorship for qualified candidates.
About the Organisation
Join a fast-moving energy technology company building the operating system for the next generation of energy in Europe. This role sits on the core infrastructure team, where you'll architect and scale systems that power modular billing engines, low-level energy-market communication protocols, and full accounting ledgers. If you're energised by deep technical complexity and want your work to have a direct impact on European households and energy markets, this is the role for you.
Key Responsibilities
- Solve for complexity through design — tackle hard architectural problems and design systems that remain clean and maintainable as they scale.
- Scale the core — build and evolve the backbone infrastructure that supports dynamic electricity plans and reliable billing at scale.
- Bias for action — ship with speed and confidence; move projects forward decisively in an ambiguous, fast-paced environment.
- Raise the bar — champion engineering excellence through code reviews, technical discussions, and leading by example.
Minimum Requirements
- Proficiency in backend development using TypeScript (Node.js) with a strong grasp of asynchronous programming — this is a dealbreaker requirement.
- Hands-on experience with PostgreSQL and at least one ORM (Drizzle preferred) for data access.
- Experience with Next.js, including API routes or server components for backend services.
- Familiarity with distributed systems concepts and designing scalable, maintainable core services.
- Experience integrating Stripe payments and related billing flows.
- Exposure to the broader stack: Temporal, Hono, Tailwind, Fragment.
- Strong CS fundamentals — formal degree or equivalent practical experience.
- Ownership mindset with strong written and verbal communication skills.
Working Conditions
This is an on-site role based in Berlin, Germany. Candidates must be willing to work from the Berlin office. Visa sponsorship is available for the right candidate.
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- Salary: $80,000 – $120,000 per year (USD equivalent)
- Visa sponsorship: Available
- Opportunity to work at the forefront of European energy markets with a high-ownership, low-bureaucracy team
Eligibility Criteria
Qualified candidates, including international applicants, can apply for the Backend Engineer position with visa sponsorship available.
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