Backend Engineer

Join a pre-seed energy tech startup building the operating system for the next generation of European household energy. The core product includes a modular billing engine, low-level energy-market communication protocols, and a full accounting ledger - enabling hardware companies to launch their own dynamic electricity plans. As a Backend Engineer on the core infrastructure team, you’ll design and scale the systems that power reliable billing and dynamic energy plans.

Do you have experience in TypeScript?, * Required: Proficient in backend development with TypeScript (Node.js) and a strong grasp of asynchronous programming.

• Required: Hands-on experience with PostgreSQL and an ORM (e.g. Drizzle) for data access.
• Required: Experience with Next.js, including API routes or server components for backend services.
• Required: Familiarity with distributed systems concepts and designing scalable, maintainable core services.
• Required: C1+ English language proficiency.
• Experience integrating Stripe payments and related billing flows.
• Strong written and verbal communication skills, ownership mindset, and comfort operating in ambiguous environments.
• Strong CS fundamentals - formal degree or equivalent practical experience.
• 3-10+ years of backend engineering experience.

Tech Stack

• TypeScript, Node.js, Next.js, Hono, Temporal
• PostgreSQL, Drizzle ORM
• Stripe, Tailwind