Top Tech Jobs & Startup Jobs in Cologne

Build and ship state-of-the-art speech systems end-to-end: model architecture, training (pre-train/fine-tune/post-train), evaluation, tooling, data curation, production inference, and safety/abuse mitigation for voice conversion and related tasks.

Own end-to-end performance marketing and lifecycle growth for a portfolio of game studios: plan, launch and optimize paid acquisition, configure ad networks, run launch and retention programs (email/CRM), onboard studios to Immutable Audience, manage budgets and performance, and build scalable growth playbooks.

Translate and localize content between German and Norwegian, edit for accuracy and tone, evaluate language-model output, collaborate with production teams, and support localization, QA, and transcreation for digital applications.

Drive endemic CTV advertising revenue in Germany by developing and executing commercial strategy, building and managing relationships with endemic brands, owning full sales cycle, collaborating cross-functionally for campaign delivery, and staying current on CTV and retail media trends to identify growth opportunities.

Lead presales, RFP, requirements analysis, and solution design for supply chain transformation engagements. Act as a business-technology bridge to capture requirements, conduct fit-gap and process analysis, design scalable planning and execution solutions powered by data and AI, and support implementation, UAT, and client stakeholder management.

Provide pre- and post-sales technical support for Telesat Lightspeed across EMEA: gather requirements, design satellite and terrestrial link solutions, perform modeling and tests, present proposals, support implementation, resolve service issues, and run technical demonstrations to secure customers.

Develop, test, and deploy software for mobile manipulators focusing on perception, motion planning, control, sensor fusion, localization, and mapping. Integrate hardware (arms, grippers, sensors), optimize real-time system performance, troubleshoot hardware/software issues, and apply research and machine learning methods to improve task execution in production environments.

Work across an existing product codebase to develop and back-end services (Node.js/TypeScript) and complex React front-ends, maintain and extend Laravel/PHP legacy services, design APIs, ensure code quality, and collaborate with the client team to deliver scalable, testable features end-to-end.

Lead technical pre-sales with European customers: qualify opportunities, run technical discovery, deliver demos and POCs, advise on quantum algorithm adoption, and relay field feedback to product.

Lead cloud transformation engagements for financial services clients: define cloud/infrastructure strategies, ensure regulatory and resilience requirements, create business cases, design target architectures and operating models, lead multidisciplinary teams, optimize costs and security, and grow consulting offerings.