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Backend Engineer (Mid-Level)

ABOUT THE ROLE

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Clera Berlin Source published Oct 4, 2026 Verified 3 hours ago
✓ 100% verification score · Source: Clera (ashby) · Always confirm final requirements on the original source.
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EmploymentFull-time

Overview

ABOUT THE ROLE

Full job description

ABOUT THE ROLE Join a core infrastructure team at an energy technology company building software for dynamic electricity plans. You will develop backend systems for billing, energy-market communications, and accounting, helping make these services reliable and scalable. WHAT YOU'LL DO

  • Design backend systems that address complex billing and energy-service requirements.
  • Build and scale core services that support dynamic electricity plans and reliable billing.
  • Develop and maintain backend data access and service logic.
  • Contribute hands-on to production code and ship improvements with ownership.
  • Help raise the quality and maintainability of core infrastructure. WHAT WE'RE LOOKING FOR
  • At least 3 years of experience building reliable backend infrastructure.
  • Proficiency with TypeScript and Node.js, including asynchronous programming.
  • Experience with PostgreSQL and ORM-based data access.
  • Experience building backend services with Next.js, including API routes or server components.
  • Familiarity with distributed-systems concepts and scalable, maintainable service design.
  • Experience integrating Stripe payments and billing flows.
  • Strong computer science fundamentals through a degree or equivalent practical experience, plus evidence of exceptional technical work.
  • Broad application-building experience and a hands-on record of recent production coding and shipping.
  • Fluent German at C1 level or higher, with strong written and verbal communication skills. COMPENSATION & BENEFITS Annual salary range: €80,000 to €120,000. Visa sponsorship is available. LOCATION On-site, five days per week in Berlin, Germany.

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