Backend Engineer

### About the Role Join the core infrastructure team of a fast-growing energy technology company building the operating system for the next generation of European energy. The platform combines a modular billing engine, low-level energy-market communication protocols, and a full accounting ledger — delivered as a headless, API-first layer that enables hardware companies and energy providers to launch dynamic electricity plans rapidly. As a Backend Engineer, you will work across highly complex, distributed systems that power real-time electricity pricing, billing, and market integrations. This is a high-ownership role for engineers who love designing for scale and operating with autonomy in a fast-moving environment. ### What You'll Do * **Solve for complexity through design** — Architect clean, maintainable solutions to inherently hard infrastructure problems in energy billing and market communication. * **Scale the core** — Contribute to scalable, reliable backend services that handle dynamic pricing, billing flows, and ledger operations at volume. * **Bias for action** — Move quickly and decisively; ship meaningful work and iterate with purpose. * **Raise the bar** — Uphold and improve engineering standards through code review, documentation, and thoughtful system design. ### What We're Looking For **Required:** * Bachelor's degree in Computer Science or equivalent practical experience * 3–10+ years of backend engineering experience * Proficiency in **TypeScript (Node.js)** with a strong grasp of asynchronous programming * Hands-on experience with **PostgreSQL** and an ORM (experience with Drizzle is a plus) * Experience with **Next.js**, including API routes or server components used for backend services * Familiarity with **distributed systems** concepts and designing scalable, maintainable core services * Experience integrating **Stripe payments** and related billing flows * Strong written and verbal communication skills in English * Ownership mindset and ability to operate effectively in a fast-paced, ambiguous environment * Willingness to work **on-site in Berlin, Germany** **Nice to Have:** * Familiarity with workflow orchestration tools (e.g., Temporal) * Experience with lightweight HTTP frameworks (e.g., Hono) * Background in energy, utilities, fintech, or similarly regulated/complex domains ### Tech Stack * **Languages & Frameworks:** TypeScript, Node.js, Next.js, Hono * **Database:** PostgreSQL, Drizzle ORM * **Payments:** Stripe * **Orchestration:** Temporal * **Frontend (context):** Tailwind CSS ### Compensation & Benefits * **Salary:** €80,000 – €120,000 per year, depending on experience * Visa sponsorship is available for qualified candidates * Early-stage equity opportunity at a well-backed pre-seed company ### Location This is a **full-time, on-site role** based in **Berlin, Germany**. The team works together in-person and values close collaboration. Relocation support and visa sponsorship are available. Find [Jobs in Germany](https://www.arbeitnow.com) on Arbeitnow