Senior Engineer, FullStack, Retail Media/AdTech Solutions (m/f/d) Cologne Posted on 28.09.2026

Redcare Pharmacy; Köln; Hybrid; EUR 75.000 - 110.000; Vollzeit

Zusammenfassung

Redcare Pharmacy invites a Senior Fullstack Engineer (m/f/d) to join the Retail Media Ad Solutions area. You will design and build high-performance AdTech solutions spanning backend and front-end interfaces, with a focus on clean architecture and data efficiency.

Work with cross-functional teams to translate complex business needs into robust, end-to-end solutions, while collaborating across remote and occasional on-site sessions in Germany.

Qualifikationen

• Proven full-stack experience building scalable web apps.
• Strong knowledge of modern JS/TS tooling and architecture.
• Experience with distributed systems and AdTech integrations.

Aufgaben

• Design and build high-performance, scalable AdTech solutions across the stack.
• Collaborate with product, design, data, and backend teams to deliver value.

Kenntnisse

React

TypeScript

Node.js

Kubernetes

Docker

MongoDB

Redis

RabbitMQ

Algolia

Google Cloud

Tools

Docker

Kubernetes (GKE)

CircleCI

ArgoCD

Algolia

Jobbeschreibung

About Redcare Pharmacy:

As Europe’s No.1 e-pharmacy Redcare Pharmacy is powered by passionate teams and cutting-edge innovation. We strive to create a healthy collaborative work environment where every employee feels valued and inspired to contribute to our vision “Until every human has their health”. If you’re seeking a career that offers purpose and aligns with your values join us and start your #Redcareer today.

About the role:

As aSenior Fullstack Engineer (m/f/d)in theRetail 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.

About the tech stack:

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.