Staff Engineer, Retail Media / AdTech Solutions (m/f/d)

About your tasks

• Architecture & Technical Strategy: Drive the technical direction of our Retail Media platform, designing scalable, maintainable architectures and leading the evolution of Node.js/TypeScript microservices and distributed systems.

• Hands-on Full-Stack Engineering: Design and build high-performance backend services, APIs, and frontend applications using Node.js, React, Next.js, and TypeScript, while remaining actively involved in implementation and technical problem-solving.

• Data & System Design: Architect and optimize data-intensive and asynchronous workflows using MongoDB, Redis, Algolia, BullMQ, and RabbitMQ to support campaign management, ad serving, targeting, and reporting.

• Cross-Team Technical Leadership: Lead complex engineering initiatives across teams, drive architectural alignment, mentor engineers, and establish technical standards that improve engineering quality and long-term platform scalability.

• Product & Business Collaboration: Partner closely with Product, UX, Analytics, and Retail Media stakeholders to shape technical priorities, challenge assumptions, and translate business needs into impactful AdTech solutions.

About you

• You bring extensive software engineering experience , including experience operating as a Staff, Principal, Tech Lead, or similar technical leadership role.

• You have strong expertise in backend engineering, distributed systems, and cloud-native architecture , with hands-on experience in technologies such as Node.js, TypeScript, JavaScript, and modern frontend frameworks.

• You have a proven track record of designing and scaling complex systems , driving architectural decisions, and leading technical initiatives across multiple engineering teams.

• You bring  experience in AdTech , ideally within Retail Media, sponsored advertising, ad serving, targeting, auctions, or attribution.

• You enjoy remaining hands-on while influencing technical direction , mentoring engineers, and raising engineering standards across teams.

• You thrive in cross-functional product environments , collaborating closely with Engineering, Product, and business stakeholders to deliver scalable, high-impact solutions.

About your benefits

In order to provide our employees with the best possible support for their individual needs, we offer a wide range of benefits:

• Sports:  Stay healthy. Profit from a membership (M) package at Urban Sports Club, so that you can take advantage of a huge variety of sport offers.

• Mental Health:  Get quick and professional help from psychologists if you feel overwhelmed in private or professional life. Anonymous and free of charge.

• Work from Home:  If your job does not require you to be present in the office, we can arrange the place you work from individually - even for up to 20 days a year anywhere in the EU.

• Mobility:  We provide our employees with a fully costed Deutschland Ticket which can be used at any time.

• Personal development:  Grow! We support and encourage your individual development through various in- and external trainings.

• And many more :)

About the company

As Europe’s No.1 e-pharmacy, the company 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 begin your #Redcareer today.

About the role

As a Staff Software Engineer, Retail Media / AdTech Solutions , you will shape the architecture and technical direction of our in-house AdTech platform, with a strong focus on scalability, performance, and engineering excellence. You will drive complex technical initiatives across teams, establish engineering best practices, and help build high-performance advertising solutions. Working closely with Engineers, Product Managers, UX Designers, the Retail Media business team, and other stakeholders, you will translate complex business challenges into scalable technical solutions that support the growth of our Retail Media ecosystem.

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.