CareerPlan

Fullstack Engineer (m/f/d)

Germany - hybrid / Cologne (GER)RemoteFull-time2026-05-21 → 2026-11-11

Core

Build modern, production-grade B2B applications end-to-end for a global platform connecting buyers and sellers of scrap metal to accelerate the circular flow of secondary metals.

Role type

Senior full stack engineer (IC)

Builds

B2B online platform for scrap metal trading and a Smart Sorting Facility leveraging AI, machine learning, and robotics

Domain

Sustainability / Recycling / Green Energy / B2B Marketplace

Deliverable

production ML models | product features

Required skills

Full stack development, modern frontend frameworks (React/Vue/Angular), backend ecosystems (TypeScript/Node.js, Python, Go, Java/Kotlin), API design (REST/GraphQL), databases, CI/CD, DevOps, code quality, architectural decision-making, mentoring

Preferred skills

AI-assisted development tools (Claude Code, Cursor, Copilot), open to remote work

Technologies

React, Vue, Angular, TypeScript, Node.js, Python, Go, Java, Kotlin, REST, GraphQL, CI/CD

Responsibilities

Deliver production features end-to-end, maintain high code quality and security, make pragmatic architectural decisions, design engineering standards, define acceptance criteria and automated testing, mentor teammates, improve development workflow tooling

Seniority

Senior, hands-on IC with mentorship responsibilities