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

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 begin your #Redcareer today. About the role: As Staff Engineer, Retail Media AdTech Solutions (m/f/d), you will be shaping and evolving our AdTech platform with a strong focus on scalable architecture, engineering best practices, and performance optimization. You will serve as the technical leader across cross-functional teams and ensure the successful delivery of high-performance advertising solutions. You will collaborate closely with the Retail Media business team, Product Managers, and other stakeholders to turn complex business challenges into robust technical solutions that enable our Retail Media ecosystem to grow and scale. About your tasks: Architecture & Technical Leadership: Drive the technical strategy for Retail Media Ad Solutions with a focus on scalability, maintainability, and performance. Design and lead development of Node.js/TypeScript microservices, ensuring a clean and modular architecture. Fullstack Engineering: Develop and maintain high-performance frontend applications using React, Next.js, and Material-UI, with strong form logic using Formik and JSONSchema validation. Data & System Design: Optimize real-time and high-throughput data systems, integrating with MongoDB, Redis, and Algolia to support fast ad delivery and campaign insights. Work with BullMQ and RabbitMQ for reliable message queueing across distributed services. Cross-Functional Collaboration: Collaborate with product, design, analytics, and business stakeholders to align technical efforts with strategic priorities. Contribute to technical planning and ensure engineering is a proactive partner in delivering impactful Retail Media experiences. About you: Several years of professional software development experience, including 2+ years in a Lead Engineer, Principal Engineer, or similar leadership role. Expertise in JavaScript/TypeScript, Node.js, React, and cloud-native system design. Proven experience in building and maintaining scalable microservices and frontend applications in fast-paced environments. At least 3 years experience in AdTech (Retail Media highly preferred), with familiarity in sponsored ads, targeting, and attribution models. Comfortable leading technical discussions, mentoring teams, and influencing product and business outcomes. Experience working in Agile/Scrum teams and cross-functional environments. 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 of Likeminded 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. Click here to learn more. Personal development: Grow! We support and encourage your individual development through various in- and external trainings. And many more :)