79 English-speaking jobs in Cologne

Join our high-energy team in Cologne and help us bring smarter payment solutions to small businesses across Portugal. At SumUp, we’re on a mission to empower small merchants by making payments simple, accessible, and hassle-free. Today, we support over 4 million businesses in 30+ countries — and we’re just getting started.

Freelance lecturer to teach fundamental computer science algorithmics concepts, design courses, and conduct practical teaching sessions. Requires a computer science degree, practical experience, and C1 English proficiency.

Freelance lecturer to teach fundamental computer science knowledge with practical relevance, including user interfaces, business rules, web services, and quality constraints.

Design, develop, and commission ultra-precision mechanical systems for the XFELO project. Perform computer-aided engineering tasks, including design optimization and structural analysis.

Develop and operate photoelectron spectroscopy setups, including ARPES and PEEM. Support users in sample preparation and characterization techniques like SEM, FIB, optical microscopy, and other lab-based methods. Collaborate on scientific projects and participate in shift work.

Join our high-energy team in Cologne and help us bring smarter payment solutions to small businesses across Portugal. At SumUp, we’re on a mission to empower small merchants by making payments simple, accessible, and hassle-free. Today, we support over 4 million businesses in 30+ countries — and we’re just getting started.

IU International University seeks a part-time Professor of Operations Research to teach on-campus in Cologne starting October 1st, 2026. The position is initially for two years. Applicants must have a doctoral degree in Operations Research or a related field, at least five years of professional experience including three years outside of academia, and expertise in Operations Management and Business Mathematics.

IU International University seeks a part-time professor (m/f/d) for Operations Research, initially for 2 years, starting October 1st, 2026. The professor will teach on-campus lectures, supervise students, and contribute to the development of teaching formats. Applicants must have a doctoral degree in Operations Research or a related field, at least five years of work experience (including three years outside academia), and English language skills at C1 level.

Lead and develop a large Accounts Payable organization, ensuring efficient and scalable operations. Drive process improvements, automation, and system usage in a complex, high-volume environment. Collaborate with stakeholders across Finance, Procurement, and other departments.

Support founders in fundraising, partnerships, and go-to-market strategy. Conduct market, competitor, and technology research. Prepare investor materials, presentations, and external communications. Drive operational execution and process optimization.

Deliver groceries to customers efficiently by e-scooter or e-bike. Meet and exceed delivery targets while providing exceptional customer service.

Deliver groceries to customers efficiently by e-scooter or e-bike. Maintain a focus on delivery targets and exceed them. Earn at least €13.90 per hour plus tips.

Deliver groceries to customers efficiently by e-scooter or e-bike. Maintain a high level of customer service and consistently meet delivery targets. Must be at least 18 years old with a valid work permit, driving license, and English or German language proficiency.

Deliver groceries to customers efficiently by e-scooter or e-bike. Meet and exceed delivery targets while providing exceptional customer service. Must be at least 18 years old with a valid work permit, driving license, and smartphone with mobile data access.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service. Earn at least €13.90 per hour plus tips.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service. Earn at least €13.90 per hour plus tips.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service. Earn at least €13.90 per hour plus tips.

Deliver groceries to customers efficiently by e-bike or e-scooter. Maintain a high level of customer service and consistently meet or exceed delivery targets. Earn at least €13.90 per hour plus tips. Must be at least 18 years old, have a work permit in Germany, and speak English or German.

Deliver groceries to customers efficiently by e-bike or e-scooter. Meet and exceed delivery targets while providing exceptional customer service. Earn at least €13.90 per hour plus tips.

This role involves managing information in computer databases, handling guest inquiries, and performing administrative tasks such as preparing documents, managing mail, and maintaining filing systems. Employees must adhere to company policies, provide excellent guest service, and communicate effectively with colleagues.