ABOUT THE ROLE Join the core infrastructure team at an energy technology company building systems for dynamic electricity plans and reliable billing. You will develop scalable backend services, including a modular billing engine, market communication systems, and an accounting ledger. WHAT YOU'LL DO - Design backend solutions that simplify complex billing and energy-market systems. - Scale core infrastructure to support growing transaction volumes and market needs. - Ship features and improvements through rapid iteration and practical execution. - Improve technical quality through code reviews, architecture decisions, and mentorship.
WHAT WE'RE LOOKING FOR - At least 3 years of hands-on backend engineering experience, with 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 similar tools. - Experience building Next.js backend services, including API routes or server components. - Familiarity with distributed systems and designing scalable, maintainable core services. - Experience integrating Stripe payments and billing workflows. - Strong computer science fundamentals from formal education or equivalent practical experience, and evidence of exceptional technical work through projects, research, competition results, or founding experience. - Fluency in German at C1 level or higher, strong communication skills, and an ownership mindset.
COMPENSATION & BENEFITS Base salary: €80,000 to €120,000 annually. Visa sponsorship is available. LOCATION On-site in Berlin, Germany, five days per week.
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