304 English-speaking jobs in Cologne

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

Freelance AI trainer needed to design statistics problems, evaluate AI solutions, and validate calculations using Python. Requires a degree in Statistics or related field, 3+ years of professional mathematics experience, strong Python proficiency, and excellent written English.

Freelance Web Scraping Engineer needed for the Tendem project. Utilize Apify, OpenRouter, and Python to extract data from complex websites, ensuring accuracy and reliability. Must have experience with web scraping, data processing, and Python libraries like BeautifulSoup and Selenium.

Senior Backend Engineer to design, develop, test, and maintain software in a JVM language and Spring Boot. Experience with microservice architecture, relational and non-relational databases, and AWS is required. Full professional proficiency in English is necessary.

As Senior Product Owner for Booking Finalisation & Payment, you'll define strategy, manage risk & compliance, and drive improvements to the checkout and payment process. You'll lead execution, partner with cross-functional teams, and own experimentation to increase conversion and payment success.

Global Sales & Service Transformation Director will lead process harmonization and optimization across a 900-person organization, driving the transition to SAP S/4HANA. This role involves designing standardized global processes, collaborating with external consultants, and integrating AI and automation.

Senior MLOps Engineer will build and operate production-ready ML & AI applications, owning the application lifecycle and automating retraining and redeployment.

Working student supports brand-building, executive communications, and global initiatives. Drafts press releases, analyzes industry trends, and assists with merchandise management. Requires a bachelor's or master's degree in a related field and excellent written and spoken English.

Working student supports brand-building, executive communications, and global initiatives. Drafts press releases, analyzes industry trends, and assists with merchandise management. Must be enrolled in a bachelor's or master's program in a related field and have excellent written and spoken English skills.

Design, develop, and implement IT security and cybersecurity services for space missions. Interface with the ESA ISS Security Control Board and ensure compliance with security requirements. Develop, test, and administer virtual telemetry data processing systems. Support ISS experiment operations as a ground controller.

Visiting Analyst (m/w/d) to join a growing investment team in Germany, focusing on software and venture capital. Collaborate on sourcing, analyzing, and closing investments across Europe.

Maverick Currencies seeks disciplined traders to day trade Forex and Crypto remotely using firm capital. This performance-based contract offers a path to trade with more capital than you'd have access to on your own. Traders follow structured trading systems, analyze price action, and apply strict risk management rules.

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. 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.

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.

Cloud Solution Architect will design, plan, and develop architectures for cloud-based solutions. Responsibilities include managing and deploying cloud systems, providing 3rd level support, and guiding customers on new technologies. Requires a Bachelor's or Master's degree in a related field, 3+ years of IT experience, scripting/programming knowledge, and experience with virtualized environments or IaaS.

Supermicro seeks a Regional Sales Director to drive growth by targeting AI-focused enterprise and telco customers. The role involves leading complex infrastructure sales, building pipeline, closing deals, and collaborating across teams to deliver AI solutions.