> Markdown version of [/jobs/ext/3615885-backend-engineer](https://www.wearedevelopers.com/jobs/ext/3615885-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer - **Company:** Clera - **Location:** Berlin, Germany - **Experience:** Experienced - **Salary:** €80,000.0 - €120,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Code Review, Data Security, Distributed Systems, PostgreSQL, Node.Js, Next.js, Systems Integration, TypeScript, Backend, Stripe, Asynchronous Programming - **Published:** October 8, 2026 - **Apply:** https://startup.jobs/backend-engineer-clera-10338769 ## About the Role * At least 3 years of hands-on backend development experience, including recent production coding and shipping. * Proficiency in TypeScript and Node.js, including asynchronous programming. * Experience with PostgreSQL and ORM-based data access, such as Drizzle or a similar tool. * Experience building backend services with Next.js, including API routes or server components. * Familiarity with distributed systems and building scalable, maintainable core services. * Experience integrating Stripe payments and billing workflows. * Strong computer science fundamentals gained through formal education or equivalent practical experience, with evidence of notable technical achievement. * Fluency in German at C1 level or above, strong communication skills, and an ownership mindset. ## Description Join the core infrastructure team at an early-stage energy technology company building systems for dynamic electricity plans and reliable billing. You will help develop the backend services and infrastructure that support complex energy market and accounting workflows., * Design backend solutions that simplify billing and energy market operations. * Scale core infrastructure to support increasing transaction volumes and changing market demands. * Ship features and improvements through rapid iteration and practical problem solving. * Contribute to code reviews and architecture decisions, and mentor teammates to raise technical standards.