Backend Engineer

About the RoleJoin 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 DoSolve 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 ForRequired:Bachelor's degree in Computer Science or equivalent practical experience3–10+ years of backend engineering experienceProficiency in TypeScript (Node.js) with a strong grasp of asynchronous programmingHands-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 servicesFamiliarity with distributed systems concepts and designing scalable, maintainable core servicesExperience integrating Stripe payments and related billing flowsStrong written and verbal communication skills in EnglishOwnership mindset and ability to operate effectively in a fast-paced, ambiguous environmentWillingness to work on-site in Berlin, GermanyNice 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 domainsTech StackLanguages & Frameworks: TypeScript, Node.js, Next.js, HonoDatabase: PostgreSQL, Drizzle ORMPayments: StripeOrchestration: TemporalFrontend (context): Tailwind CSSCompensation & BenefitsSalary: €80,000 – €120,000 per year, depending on experienceVisa sponsorship is available for qualified candidatesEarly-stage equity opportunity at a well-backed pre-seed companyLocationThis 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 on Arbeitnow