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

Senior Engineer, Retail Media / AdTech Solutions (m/f/d) Full-time 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 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. About your tasks: System Architecture & Engineering:Develop and Website microservices, focusing on performance, modularity, and scalability. Contribute to architectural decisions that improve system maintainability and reliability. Frontend Development:Build and maintainReactapplications usingNext.js (Pages Router)andMaterial-UI.Implement advanced form logic usingFormikandJSONSchemavalidation.Ensure exceptional user experiences through responsive, accessible, and high-performance UI. Data & Messaging Systems:Integrate and optimize high-throughput data systems usingMongoDB,Redis, andAlgoliafor real-time ad delivery and insights.Work withBullMQandRabbitMQto handle reliable, distributed message queuing and background processing. Cross-Functional Collaboration:Partner with Product, Design, and Analytics teams to deliver end-to-end Retail Media features. Participate in sprint planning, technical reviews, and solution discovery to ensure engineering is aligned with business goals. About you: Deep experience buildingscalable microservicesandfrontend applicationsin cloud-native environments. Familiarity withAdTechorRetail Mediaplatforms (eg such as Kevel, Google Ad Manager, CitrusAd, TopSort) will be looked upon favourably. Committed to writingclean, maintainable, and efficient code, with a strong focus onscalability, testing, and long-term system health. Comfortable working inAgile/Scrumteams and contributing proactively to cross-functional initiatives. A continuous learner who thrives in fast-moving environments and enjoys solving real-world business challenges with technology. Have AI experience, have integrated it into real systems and shipped features with it. About your benefits: In order to provide you with the best possible support for your individual needs - whether it's living a healthy life, having enough time for your family, or developing your skills - we offer a wide range of different, site-specific 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. 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. Vacation:30 days paid vacation per annum (plus another day on Rosenmontag) and the option to take unpaid vacation of up to 10 days (after one year working with us). Employee discount:You get a 10 % employee discount on all over the counter, beauty and personal care products in our online store & 20 % discount on nu3. By clicking the link above or any third-party link within this posting, you are leaving this site and going to a third-party website where the third-party website's terms and privacy policy apply #J-18808-Ljbffr