49 engineer English-speaking jobs in Cologne

Key duties and responsibilities Under the responsibility of the Finance Lead Data Engineer, your mission

Senior Backend Engineer to build infrastructure for merchant acquisition and commission workflows. Focus on data aggregation, API design, and event logging using Go or a typed language. Experience with distributed systems and auditable environments is key.

Your Role As (Senior) Software Engineer Data Integration (all genders), you design innovative software

About you: You bring 8–10+ years of experience as a Data Analyst, Analytics Engineer, or similar role

About you: 5+ years of experience as a Data Analyst, Analytics Engineer, or in a similar role, with strong

You will bridge the gap between complex machine learning and a stressed human engineer at 3:00 AM.

Working Student or Intern to build features for a mission-critical SaaS platform. Ship end-to-end code using React/TypeScript or backend languages like Java/Rust. Requires CS fundamentals and a builder mentality.

Why you’ll love working here: Impactful Career Growth: Evolve into a Technical Lead / Lead Engineer

Join the red team as a Working Student or Intern to test SaaS products for vulnerabilities. Tasks include app/API testing, CI automation, and social engineering exercises. Requires curiosity, basic web/scripting knowledge, and English fluency.