Backend Engineer at Clera | Berlin, DEU | Rezi

Backend Engineer at Clera

Backend Engineer

Clera · Berlin, DEU

2 weeks ago

Backend Engineer

Clera · Berlin, DEU

16 days ago
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About the Role

A pre-seed energy tech startup in Berlin is developing the operating system for future energy solutions, including a modular billing engine, energy-market communication protocols, and an accounting ledger. As a Backend Engineer on the core infrastructure team, you will contribute to designing and scaling systems for dynamic electricity plans and reliable billing for European energy companies.

Responsibilities

  • Design and scale core infrastructure services to meet growing demand and evolving energy-market requirements.
  • Tackle deep technical complexity through thoughtful system design and architecture decisions.
  • Ship with urgency, demonstrating a bias toward action, iteration, and ownership.
  • Raise the engineering bar through code quality, documentation, and knowledge sharing.

Requirements

  • Proficiency in backend development using TypeScript (Node.js) with a strong grasp of asynchronous programming.
  • Hands-on experience with PostgreSQL and an ORM (Drizzle preferred).
  • Experience with Next.js, including API routes or server components.
  • Familiarity with distributed systems concepts and the ability to design scalable, maintainable core services.
  • C1+ English language proficiency (written and verbal).

Skills

  • TypeScript
  • Node.js
  • Next.js
  • Hono
  • Temporal
  • PostgreSQL
  • Drizzle ORM
  • Stripe
  • Tailwind
  • Asynchronous programming
  • Distributed systems concepts
  • Payment integration
  • Billing flows

Location

  • Berlin, Germany

Work Type

  • On-site

Experience Level

  • Backend Engineer

Education Level

  • Strong CS fundamentals — formal degree or equivalent practical experience.

Salary/Compensations

  • $80,000 – $120,000 USD annually

Benefits

  • Visa sponsorship available

About the Company

  • A well-funded pre-seed energy tech startup based in Berlin.