135 English-speaking jobs in Cologne

Lead and mentor a team of developers, driving architectural decisions and coding standards. Design, develop, and maintain scalable web applications, architecting complex systems for reliability and security. Conduct code reviews, develop automated tests, and collaborate with teams to deliver high-quality solutions.

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.

Lead SoSafe's strategic value-add services, operationalizing a consulting methodology focused on driving behavior change and measurable risk reduction. Develop and manage a consulting practice, translate the SoSafe Maturity Model into a "Strategic Steering" approach, and act as a subject matter expert on Human Risk Management.

Provide remote client support for travel inquiries via email, phone, and messaging. Assist with itinerary changes, cancellations, and travel-related questions.

Test Engineer to plan and execute approval tests for card terminals in the banking sector. Functional testing, client support, transaction analysis, and test documentation are key responsibilities.

Manages wind asset performance, conducts due diligence, and prepares project reports for clients. Reviews contracts, cost estimates, and PPAs. Coordinates installation, operation, and maintenance activities. Analyzes operational data, conducts cost-benefit analyses, and prepares proposals. Leads business development and market research for renewable energy consultancy services. Oversees drone-based inspection services, including procurement, pilot management, and data analysis. Ensures compliance with HSE regulations. Requires 5-10 years of experience, including 3 years as a Project Leader.

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. Administer virtual telemetry data processing systems and support ISS experiment operations.

Security Consultant specializing in Security Intel & Operations Consulting Services. Provides consulting services to understand clients' security requirements and design solutions applying security principles and knowledge of security intelligence and operations. Develops security strategies, programs, and plans for clients. Demonstrates thought leadership and coaches team members.

PhD student will investigate microbiota-dependent pathways regulating colorectal cancer progression and metastasis in mouse models and human intestinal organoids. The position involves scRNA/snRNA sequencing, metagenomic sequencing, and metabolomic studies.

Designs, coordinates, and improves extracurricular learning activities at a coding education institution. Manages programs like soft skill training, technical workshops, and community initiatives. Communicates with students, alumni, and partners to ensure program clarity and engagement.

Zara is seeking a full-time Operations Team Member for their Cologne store. The role involves managing the stockroom, ensuring smooth product flow, and supporting the store's needs. Previous stockroom experience is beneficial.

Product Design Lead will own all aspects of product design and UX for an AI-driven workflow platform. Responsibilities include user research, interface design, and building a scalable design system. Requires 3+ years of product/UX design experience and a strong portfolio.

The Stockroom Expert (m/f/x) is responsible for receiving, organizing, and storing goods, ensuring smooth flow between warehouse and sales floor, and maintaining inventory accuracy. The role involves conducting stock checks, coordinating reordering, and training team members on best practices.

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.

Lead development efforts for the AUGENTIC software platform "Qomitto". Balance strategic leadership with technical oversight, managing a team of 20 developers. Design and optimize the full software development life cycle, ensuring platform stability and quality. Drive the ScrumBan model, manage release cycles, and implement quality assurance processes. Maintain technical proficiency and provide code and architectural guidance.

Lead the vision and execution of AI-enabled modeling approaches across a biopharmaceutical company's development portfolio. Drive and deliver a robust AI/ML and Pharmacometrics strategy for dose optimization, study design, and regulatory planning.

Experienced GPU Software Engineer sought for power flow and numerical simulation project. Responsibilities include porting, optimizing, and accelerating computational code onto CUDA, leveraging frameworks like cuBLAS, cuSOLVER, and cuSPARSE. Strong CUDA development, numerical linear algebra, and GPU-accelerated library experience required. Remote work possible.

Business Process Engineer to analyze, improve, and automate sales, operations, logistics, and finance processes. Develop tools and solutions using data analysis, AI, and modern technologies. Experience in process optimization, ERP/CRM systems, and data analysis tools required.

Inside Sales Representative (Construction/Mobility/Industry) needed to take orders, provide product advice, manage customer inquiries, and support the sales team.

Senior Account Executive will build and scale sales operations for a leading Autonomous Payout Operating System. Responsibilities include closing enterprise deals ranging from $20M to $1B+ in annual payout volume and running full-cycle sales. Requires 5+ years of enterprise B2B sales experience in fintech, payment infrastructure, or compliance SaaS.