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Posted Sep 11, 2026
Köln
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Salary (estimate)
Estimate: about €87,000/year
Based on this job's estimated salary. See the official source ·
As a Senior Fullstack Engineer (m/f/d) in the Retail Media Ad Solutions area , you will play a critical role in designing and building high-performance, scalable AdTech solutions that power our growing Retail Media ecosystem. You'll work across the stack, from backend services to customer-facing interfaces, with a strong focus on clean architecture, data performance, and user-centric development. Working closely with your cross-functional team, you’ll help turn complex business needs into robust, end-to-end technical solutions that deliver measurable impact.
React, Next.js, TypeScript, Node.js, Koa.js, NestJS, MongoDB, Redis, BullMQ, RabbitMQ, Algolia, Docker, Kubernetes (GKE), Google Cloud Platform, CircleCI, ArgoCD, and integrations with modern ad-serving platforms.
While this is a remote position based in Germany, it may require occasional on-site collaboration at our offices in Berlin or Cologne, depending on business and team requirements.
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29 reviews
View on Glassdoor307 reviews
View on KununuBroad estimate: about €68,000/year
Trusted Shops SE (DE)KölnHybrid
Broad estimate: €44,000–€58,000/year
Kapten & Son GmbHKöln
Glassdoor 3.6 (14)Kununu 4.3 (153)
Estimate: about €59,000/year
Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation
Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation