36 marketing trainee English-speaking jobs in Cologne

Build and maintain a Bazel-based build system for an ML compiler platform. Design and manage Python packaging and distribution pipelines. Champion developer experience through tooling, documentation, and workflows. Develop and optimize CI/CD infrastructure. Collaborate with engineers to integrate components and resolve build issues.

As a Mystery Guest, you'll experience a hotel stay, observing service quality and staff professionalism. You'll discreetly assess check-in, bar service, dining, room service, and public spaces. Capture photos and submit a detailed report with receipts for reimbursement.

Phagestack, a biotech startup, seeks a BTA, CTA, or Biologielaborant:in to perform microbiology and molecular biology lab work. Responsibilities include bacterial cultivation, phage isolation, and applying molecular biology techniques. Must have hands-on experience in sterile lab environments and a structured work style. Fluent in German or English required.

Guest Arrival Experts provide a memorable experience for guests during arrival and departure. They process operational needs, address guest requests, and share local area information.

Territory Sales Manager for Lonza's Capsule & Health Ingredients business unit. Responsible for strategic Eastern European accounts, identifying business opportunities, and growing market share. Requires a Bachelor's degree, proven sales track record in pharmaceuticals, and familiarity with CRM tools.

Application Engineer providing technical support and solutions for industrial equipment. Collaborates with customers, distributors, and internal teams. Requires engineering background, CAD experience, and business-level English.

Prepares and cooks food according to recipes, quality standards, and presentation standards. Maintains food logs and ensures the quality of food items. Communicates with the Chef and Food & Beverage service staff. Assists with employee hiring, training, and scheduling.

Hire Resolve is seeking experienced petrochemical professionals for roles in refinery, chemical, and downstream manufacturing operations across Germany. These mid- to senior-level positions offer pathways to leadership roles.

Provide private online English lessons to students. Must have a good knowledge of English and a completed higher education degree. Flexible timetable and remote work available. Compensation is between 20 and 35 EUR/hour.

Warehouse Employee / Warehouse Clerk will receive, process, and store incoming stock. Tasks include picking, packing, and shipping orders, performing inventory controls, and operating warehouse equipment. Requires a high school diploma, basic computer skills, and the ability to lift up to 50 pounds.

Working student sought for warehouse operations. Assist with receiving, picking, packing, shipping, and inventory management. Must be a team player, physically fit, and reliable.

Senior Designer creates inspiring exterior vehicle designs in 2D and 3D. The role requires a design degree, professional experience, and proficiency in 3D and physical design tools.

Performs end-of-day hotel operations including posting charges, processing payments, and balancing accounts. Handles guest check-ins, room assignments, and telephone inquiries. Completes reports and follows company policies and procedures.

This is a field-based sales role requiring a proven track record of exceeding quotas. You will identify, qualify, and close high-value accounts independently, managing your own pipeline and demonstrating fluency in English and at least one European language.

Electrical Engineer (m/f/d) needed for temporary employment at the German Aerospace Center (DLR) in Cologne-Porz. Responsibilities include plant operation & maintenance, fault and repair management, engineering & optimization, project coordination & interface, and technical documentation. Requires a Bachelor's/Diploma in electrical or energy engineering or a master craftsman/technician qualification with 5+ years of experience in high and low voltage systems.

Provides technical expertise and solutions to Aerospace & Defense customers. Analyzes specifications, recommends product configurations, and supports implementation planning. Collaborates with sales, engineering, and product development teams.