About the Role

Join a fast-moving energy technology company building the operating system for the next generation of electricity supply in Europe. The engineering team is developing a modular billing engine, low-level energy-market communication protocols, and a full accounting ledger — powering dynamic electricity plans for households and hardware manufacturers across the continent.

As a Backend Engineer on the core infrastructure team, you'll work on the systems that sit at the heart of the platform: scalable, reliable, and designed to handle the complexity of real-time energy markets, embedded billing, and regulated electricity supply.

What You'll Do

• Solve for complexity through design — translate ambiguous, multi-layered business and regulatory requirements into clean, maintainable backend architecture.

• Scale the core — own and evolve the critical services underpinning billing, ledger, and market communication systems as the platform grows.

• Bias for action — ship with speed and confidence; make pragmatic trade-offs and iterate quickly in a fast-paced environment.

• Raise the bar — champion engineering best practices, participate actively in code review, and help grow the technical culture of a small but high-calibre team.

What We're Looking For

Required

• Bachelor's degree in Computer Science or equivalent practical experience.

• 3–10+ years of backend development experience.

• Strong proficiency in TypeScript (Node.js), including a solid grasp of asynchronous programming patterns.

• Production experience with PostgreSQL and an ORM (e.g. Drizzle) for data access and schema management.

• Experience with Next.js, including API routes or server components used for backend services.

• Familiarity with distributed systems concepts — designing scalable, maintainable core services.

• Experience integrating Stripe payments and related billing flows.

• Strong written and verbal communication skills, an ownership mindset, and the 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 in energy, fintech, or other regulated / billing-heavy domains.

• Exposure to API-first or headless platform architecture.

Tech Stack

• TypeScript, Node.js, Next.js, Hono

• PostgreSQL, Drizzle ORM

• Temporal, Stripe

• Tailwind (front-of-backend / server components)

Compensation & Benefits

• Salary: €80,000 – €120,000 per year, depending on experience.

• Visa sponsorship is available for eligible candidates.

• Opportunity to join a small, high-impact team at an early stage and shape core technical decisions from the ground up.

Location

This role is on-site in Berlin, Germany. Candidates must be willing to work from the Berlin office full-time. Visa sponsorship is available.