59 engineer English-speaking jobs in Cologne

Many of our team members who start as a sales engineer grow into the role of advisory consultant, excellence

Freelance Data Science AI Trainer needed to design computational data science problems for GenAI models. Must have 5+ years of data science experience, proficiency in Python, SQL, and GenAI technologies, and a Master's or PhD in a quantitative field.

Develop cutting-edge technology and design scalable backend solutions for Kaufland Marketplaces. You will own end-to-end feature development, from design and coding to testing, deployment, and monitoring. Collaborate with stakeholders and other engineers to achieve common goals. Contribute to the evolution of development processes and explore new tools and technologies. Write clean, maintainable, and high-performance code while adhering to best practices. Mentor junior engineers in pair programming sessions.

Working Student or Intern will develop user-facing features using React and TypeScript. Contribute to a modular component library and assist in optimizing frontend performance. Must be a current student in a technical field with hands-on experience in React and TypeScript, proficient in HTML5 and CSS3, and understand Git workflows. Fluent English required.

Working Student or Intern will design and implement RESTful APIs, optimize data pipelines, and manage databases. Responsibilities include API development, scalable systems design, and database management. Must be a current student with proficiency in a backend language, understanding of SQL, and knowledge of algorithms and data structures.

Senior AI Platform Engineer (Multi-tenant SaaS & MLOps) (m/f/d) In Germany - Berlin| Bonn | ... Cologne | Frankfurt/Main | Hamburg | Munich We are seekingan experienced AI Platform Engineer to contribute

We are looking for an AI Product Engineer (Working Student or Intern) who is excited about the intersection

Freelance AI trainer for automotive engineering projects. Design, evaluate, and improve AI-generated solutions using Python. Requires 3+ years of automotive engineering experience and strong Python proficiency.

Freelance electrical engineers with Python proficiency are sought to design problems, evaluate AI solutions, and validate calculations for leading tech companies.

Mindrift connects mechanical engineers with freelance AI training projects. Contribute to testing, evaluating, and improving AI systems by designing engineering problems, validating solutions, and applying scoring criteria. Requires a mechanical engineering degree, 3+ years of experience, strong Python skills, and excellent written English.

We're looking for an exceptional engineer who will meaningfully accelerate our journey to becoming

You have at minimum 5 years of experience as a Data Engineer.

needs of developers and IT operators, ideally through past or current practical experience as a DevOps engineer

profile – this is what we expect from you You have relevant experience of 4+ years as a Full-Stack Engineer

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

least four years of hands-on experience working with IT infrastructures, for example as a software engineer

Working Student or Intern will assist in operating AWS infrastructure, Kubernetes clusters, and build observability tools. Tasks include automation, documentation, and supporting incident response workflows. Requires foundational Linux knowledge, scripting experience, and a "builder" mindset. Fluent English required.

This is a high-impact, hands-on role (70%+ coding) designed for a seasoned engineer who loves the craft

You don’t need to be an engineer, but you can hold your own in discussions on operability, infrastructure