Backend Engineer (Mid-Level)

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

Zusammenfassung

Clera is hiring for a backend-focused role in Berlin. You will design and implement backend systems for billing, energy-market communications, and accounting, ensuring reliability and scalability.

The role requires hands-on production coding, ownership, and a strong background in modern backend stacks. Ideal candidates have 3+ years in backend infrastructure, fluency in TypeScript/Node.js, PostgreSQL with ORM, Next.js API routes, and Stripe integration.

Qualifikationen

• 3+ years building reliable backend infrastructure.
• Strong TS/Node.js with asynchronous programming.
• Experience with PostgreSQL and ORM-based data access.
• Experience building backend services with Next.js and API routes/server components.
• Familiarity with distributed-systems concepts and scalable design.
• Experience integrating Stripe payments and billing flows.
• Solid CS fundamentals with a track record of production coding.

Aufgaben

• Design backend systems addressing complex billing and energy-service requirements.
• Build and scale core services supporting dynamic electricity plans and reliable billing.
• Develop and maintain backend data access and service logic.
• Contribute hands-on to production code and ship improvements with ownership.
• Help raise the quality and maintainability of core infrastructure.

Kenntnisse

Backend development

TypeScript

Node.js

PostgreSQL

ORM

Distributed systems

Stripe payments

Ausbildung

Bachelor's degree in Computer Science

Tools

PostgreSQL ORM

Stripe

Next.js

Jobbeschreibung

About the Role

Join a core infrastructure team at an energy technology company building software for dynamic electricity plans. You will develop backend systems for billing, energy-market communications, and accounting, helping make these services reliable and scalable.

What You'll Do

• Design backend systems that address complex billing and energy-service requirements.
• Build and scale core services that support dynamic electricity plans and reliable billing.
• Develop and maintain backend data access and service logic.
• Contribute hands-on to production code and ship improvements with ownership.
• Help raise the quality and maintainability of core infrastructure.

What We're Looking For

• At least 3 years of experience building reliable backend infrastructure.
• Proficiency with TypeScript and Node.js, including asynchronous programming.
• Experience with PostgreSQL and ORM-based data access.
• Experience building backend services with Next.js, including API routes or server components.
• Familiarity with distributed-systems concepts and scalable, maintainable service design.
• Experience integrating Stripe payments and billing flows.
• Strong computer science fundamentals through a degree or equivalent practical experience, plus evidence of exceptional technical work.
• Broad application-building experience and a hands-on record of recent production coding and shipping.
• Fluent German at C1 level or higher, with strong written and verbal communication skills.

Compensation & Benefits

Annual salary range: €80,000 to €120,000. Visa sponsorship is available.

Location

On-site, five days per week in Berlin, Germany.