Backend Engineer

CLERA; Berlin; Vor Ort; EUR 80.000 - 120.000; Vollzeit

Zusammenfassung

Clera Labs, Inc. is seeking a backend engineer to build scalable services for dynamic electricity plans and reliable billing. You will design systems, scale infrastructure, and ship features with a focus on quality and maintainability.

Required are 3+ years of backend experience, TypeScript/Node.js expertise, PostgreSQL/ORM familiarity, and German fluency (C1+). On-site in Berlin, with visa sponsorship available.

Qualifikationen

• At least 3 years of backend engineering experience with production coding.
• Proficiency in TypeScript and Node.js, including asynchronous programming.
• Experience with PostgreSQL and ORM-based data access (Drizzle or similar).
• Experience building Next.js backend services (API routes or server components).
• Experience with distributed systems and scalable core services.
• Experience integrating Stripe payments and billing workflows.
• Strong CS fundamentals from education or equivalent experience.
• Fluency in German (C1+) and strong communication; ownership mindset.

Aufgaben

• Design backend solutions that simplify 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 and architecture decisions.

Kenntnisse

TypeScript & Node.js

PostgreSQL & ORM

Next.js backend

Distributed systems

Stripe payments

German (C1+)

Ownership mindset

Ausbildung

CS degree or equivalent

Tools

Drizzle ORM

Jobbeschreibung

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.