Mobile.de is Germany's largest vehicle marketplace with about 1.4 million listed cars, trucks, and motorcycles. Both private customers and more than 40,000 registered vehicle dealers use the platform. Including listing exports to the sister platform Kleinanzeigen, mobile.de reaches about 20 million unique users per month (AGMA digital facts; mobile.de and Kleinanzeigen; categories: cars, motorcycles, commercial vehicles, motorhomes; Ø month April 2022 to March 2023). As a "one-stop shop," mobile.de offers not only buying and selling services but also financing and leasing solutions, among others. The company, founded in 1996, is a subsidiary of Adevinta, a globally leading provider of online classifieds portals. mobile.de is part of Adevinta: a global online classifieds specialist and sustainability leader with 25 products in 10 countries. What you’ll do & Who you are We are looking for a Senior Full Stack Engineer to join our Dealer Performance Management and Pricing Team to join us in our Berlin office reporting directly to the Engineering Manager. We work hybrid with a few days in the office and some days remote. About the team: Our team at mobile.de develops tools and features to provide our dealers with clear, relevant data, helping them optimize pricing and performance according to their needs. We are a diverse and passionate team of backend engineers, data engineers, data scientists, and a UX designer, collaboratively building both frontend and backend solutions. What you'll do: Ensure code quality through code reviews and pair programming, promoting our team review culture. Take ownership of testing (both manual and automated) Design and improve backend architecture, with a focus on microservices and distributed systems. Maintain a high-level understanding of the team’s software architecture and contribute to architectural decisions. Contribute to product development by sharing ideas, recommending solutions, and collaborating with other stakeholders. Use both backend and frontend expertise to build scalable, maintainable end-to-end solutions. Who you are: Frontend Skills (Primary Focus) You are proficient in JavaScript and TypeScript, with 5 years of experience in modern frontend development. You have experience with React.js, Next.js, and other modern frontend architectures. You have hands-on experience with CSS-in-JS frameworks and Figma Backend Knowledge You have familiarity with containerization (Kubernetes) and cloud services ( Kafka) for scalable deployments. You have hands-on experience with CI/CD pipelines (Jenkins/Git Actions) and frontend testing frameworks You are comfortable working with Java 21 for backend development - SpringBoot, Maven You have experience with databases, MongoDB and Elastic Search. You have over 5 years hands-on experience with REST APIs Benefits Life at Adevinta comes with its perks Our Adevintans enjoy the following benefits: An attractive Base Salary Work From Anywhere: Enjoy up to 20 days a year of working from anywhere Maybe not from the moonwell why not just make sure you have internet connection A 24/7 Employee Assistance Program for you and your family, because we care ❤️ Win together, lose together is one of our key behaviours. At Adevinta you will find a collaborative environment with an opportunity to explore your potential and grow On top of these, we also provide a range of locally relevant benefits. Wanna know more? Apply and ask our recruiters ✨ Adevinta is an equal opportunity employer and we value diversity. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status. If you feel like you don’t meet all of the requirements for this role but are interested, please consider applying anyway. Research suggests that women and individuals from underrepresented groups may self-select out of opportunities if they don’t meet 100% of the job requirements. We strongly encourage people from historically excluded groups to apply and look forward to speaking with you.