140 English-speaking jobs in Cologne

Build and evolve applications for the Retail Media platform as a Fullstack Engineer. Develop scalable solutions across the stack using React, Next.js, Node.js, and related technologies.

Lead and develop Treasury and e-Payment Operations for a fast-growing e-commerce platform. Requires 7+ years in Treasury/e-payment operations, expertise in cash management, and experience with ERP/payment systems.

Security Engineer to own end-to-end security for a large tech company. Responsibilities include AppSec, vulnerability management, GRC, and AI security. Requires 2+ years of hands-on AppSec experience and comfort with NSFW content.

Build and shape the Marketplace Data Analytics & Operational Excellence capability. Develop a multidisciplinary team, create data vision, and turn insights into scalable improvements using SQL, Power BI, Python, and AI tools.

Mid/Senior AI LLM Engineer to fine-tune and improve self-hosted open-weight LLMs for conversational products. Requires Python, PyTorch, Hugging Face, and experience with SFT, LoRA, and DPO.

Own AI/GenAI product direction, translating expertise into validated use cases. Define outcomes, lead cross-functional execution, and manage senior stakeholders. Requires 7+ years of product leadership experience.

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.

Pack customer orders efficiently, ensuring freshness and quality. Register new products, monitor stock levels, and maintain a clean and organized workspace.

Warehouse Picker responsible for packing customer orders, ensuring product quality, registering new products, and monitoring stock levels and temperatures. Must be at least 18 years old with a work permit in Germany and fluency in English or German.

Flink seeks an Operations Associate to pack customer orders, ensure product quality, and maintain a clean and organized work environment. Must be at least 18 years old, have a German work permit, and be fluent in English or German.

Pack customer orders efficiently, ensuring freshness and quality. Register new products, monitor stock levels, expiry dates, and product quality. Maintain a clean and organized work environment.

Oversee financial closing, consolidation, and ESG reporting for Redcare Pharmacy. Guide IFRS-compliant processes, manage a small accounting team, and drive accurate, timely reporting while supporting audits.

Sales Stylist in part-time role. Create genuine customer connections and deliver exceptional 1:1 service. Share styling advice, support store operations, and maintain visual merchandising standards to achieve sales goals.

Own Product Analytics for Retail Media and Marketplace, guiding data-driven decisions. Establish tracking, KPIs, and experimentation practices. Requires 5+ years of Analytics experience, strong SQL, and A/B testing knowledge.

DataOps Engineer to design and implement scalable data pipelines and optimize data architecture. Build cloud-native solutions using Azure Data Services, Databricks, and Big Data technologies. Requires 4+ years in data engineering with expertise in Azure and Big Data tools.

Senior DevSecOps Engineer to integrate security into application development and deployment. Build secure CI/CD pipelines, strengthen cloud-native security, and enable secure development across Data & AI environments.

Establish and lead the Internal Controls & Assurance function, owning the control framework and governance. Drive the annual assurance cycle and provide evidence-based assurance to the Managing Board. Requires extensive experience in internal controls and risk assurance.

Shape and strengthen data governance practices by managing data catalogs, improving classification, quality, and lineage. Partner with stakeholders to implement practical governance solutions and automate processes.

Senior Android Engineer to build next-gen Retail Media and sponsored advertising experiences. Lead design using Kotlin, Jetpack Compose, and modern architecture. Focus on scalable, high-performing mobile solutions.