Jobs / Summary

Senior Fullstack Engineer - Retail Media AdTech

Confidential company · Cologne · Posted May 14, 2026

Public summary

Join a leading European e-pharmacy as a Senior Fullstack Engineer in their Retail Media Ad Solutions team. Develop scalable, high-performance AdTech solutions across the stack, including backend microservices and frontend interfaces. Collaborate cross-functionally with product, design, and analytics teams in an agile environment. This role supports flexible remote work within Germany and offers various employee benefits including sports memberships, mental health support, and personal development opportunities.

Responsibilities

Develop and optimize Node.js/TypeScript microservices focusing on performance and scalability; build and maintain React applications using Next.js and Material-UI; implement advanced form logic with Formik and JSONSchema validation; integrate and optimize data systems such as MongoDB, Redis, and Algolia; manage messaging queues with BullMQ and RabbitMQ; collaborate closely with cross-functional teams to deliver Retail Media features; participate in sprint planning and technical reviews; contribute to architectural decisions and ensure long-term system health.

Qualifications

Proven expertise with JavaScript/TypeScript, Node.js, React, and modern web development; experience building scalable microservices and frontend applications in cloud-native environments; familiarity with AdTech or Retail Media platforms is a plus; commitment to clean, maintainable, and efficient code; strong testing practices; experience working in Agile/Scrum teams; evidence of continuous learning and problem-solving skills; experience integrating AI into real-world systems and delivering AI-driven features.

Skills

JavaScript TypeScript Node.js React Next.js Material-UI Formik JSONSchema MongoDB Redis Algolia BullMQ RabbitMQ Microservices Cloud-native environments Agile Scrum AI integration