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
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Design backend solutions that simplify complex billing and energy-market systems.
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Scale core infrastructure to support growing transaction volumes and market needs.
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Ship features and improvements through rapid iteration and practical execution.
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Improve technical quality through code reviews, architecture decisions, and mentorship.
What We're Looking For
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At least 3 years of hands-on backend engineering experience, with recent production coding and shipping.
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Proficiency in TypeScript and Node.js, including asynchronous programming.
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Experience with PostgreSQL and ORM-based data access, such as Drizzle or similar tools.
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Experience building Next.js backend services, including API routes or server components.
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Familiarity with distributed systems and designing scalable, maintainable core services.
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Experience integrating Stripe payments and billing workflows.
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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.
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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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