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Backend Engineer (Mid-Level)

Berlin💼 Full-time💰 $80,000–$120,000🗓 2026-10-04 → 2026-10-07

Core

Design and build scalable backend systems for billing, energy-market communications, and accounting to support dynamic electricity plans.

Role type

Mid-level backend engineer (infrastructure)

Builds

Core billing and energy-service backend systems

Domain

Energy technology / Fintech

Required skills

TypeScript, Node.js, PostgreSQL, ORM, Next.js, distributed systems design, Stripe integration, computer science fundamentals

Preferred skills

None stated

Technologies

TypeScript, Node.js, PostgreSQL, Next.js, Stripe

Responsibilities

Design backend systems for complex billing and energy-service requirements; Build and scale core services for dynamic electricity plans; Develop and maintain backend data access and service logic; Contribute hands-on to production code and ship improvements; Help raise the quality and maintainability of core infrastructure (via careerplan.io/jobs/0302ad4c-1b0d-434f-a794-53267023a99f-backend-engineer-mid-level-at-clera)

Seniority

Mid-level, hands-on IC