mobile.de is Germany’s largest vehicle marketplace, with more than 1.6 million listed cars, commercial vehicles, motorcycles, and e-bikes. Both private customers and registered vehicle dealers use the platform and benefit from more than 120 million visits per month. As a “one-stop shop,” mobile.de’s offering includes not only buying and selling, but also financing and leasing solutions. Founded in 1996, the company is a subsidiary of Adevinta, a global leader in online classified portals.

Based in Berlin-Charlottenburg, we offer a dynamic environment where growth, learning, and collaboration are at the heart of everything we do.If you are driven by an eagerness to disrupt, have a passion for collaboration, and are excited about shaping the future of mobility, we would love to hear from you.

mobile.de 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.

What we offer

Meaningful Work: We are a diverse, international, highly skilled and passionate team committed to a world where people share more and waste less. Every day you will have the opportunity to make a huge difference for our users, customers as well as shape the future.

Embracing AI: We're at the forefront of integrating cutting-edge AI technologies into our operations. Being part of mobile.de you will work with and learn about AI tools, contributing to projects that leverage AI to enhance efficiency, improve customer experiences, and drive our mission forward. With an AI-first mindset, we foster a culture of continuous learning and experimentation, empowering our team to explore and apply AI in meaningful ways for the company and themselves.

Growth and Development: We are a global organisation who truly believes in growing our people. To support this we offer lots of development and training opportunities and provide a budget for our team members.

Connection and Inclusion: Our culture is the glue that holds us together. We believe in making meaningful connections and creating an inclusive atmosphere with lots of opportunities to connect both in your day to day work and through social team activities (online and offline)

What you’ll do ​& Who you are

About the team

This is an excellent opportunity to join one of our Consumer Teams at mobile.de, where we're on a mission to guide every user to the mobility solution that fits their needs and lifestyle. We’re seeking a skilled Senior Fullstack Developer to join us as a problem solver and collaborator, working alongside a diverse team of engineers, designers, analysts, and marketing experts including SEO specialists to craft user experiences that truly resonate. Our modern stack includes Next.js, React, and TypeScript on the frontend, with Java 21 and Kotlin (Spring Boot) powering our microservices. If you're passionate about building user-first solutions, we'd be happy to hear from you.

What you'll do

• Be an active and engaged partner alongside product, UX, business teams, and your engineering peers

• Be part of shaping our product from initial planning all the way through to launch.

• Write clean, maintainable code with strong test coverage (unit, snapshot, and integration tests using Cypress), using TDD when possible

• Ensure the quality of your product because you understand that quality is the responsibility of the entire team

• Utilize GitHub Actions for CI/CD to ensure a smooth and automated path to production

• Dedicate up to 30% of working time to maintain the code quality and contribute to initiatives related to platform improvements and best practices

• Stay up-to-date with industry trends. Learn new tech and non-tech related skills to grow yourself and your team

• Participate in design decisions, QA and code reviews

• Be a mentor for other team members and help to grow a highly skilled and engaged team

Who you are

• Several years (3+) of professional experience as a Fullstack developer (React, Next.js, TypeScript, Java 21 with Spring Boot, Kotlin is a nice to have)

• You worked in multi-disciplined agile teams and know that responsibility does not end with deployment.

• Experience with automated testing frameworks (e.g., Cypress) and CI/CD tools like GitHub Actions.

• Real passion to write clean and beautiful code, with an eye for simplicity and pragmatism.

Benefits

Working at mobile.de comes with its perks! Enjoy the following benefits (some of many):

• Rewards: competitive base salary and participation in the company’s incentive programs.

• Plan for the Future: On top of the statutory retirement insurance, we offer a competitive company pension scheme.

• Team-Building: Regular team and company events offer the opportunity to network and learn from each other.

• Learning & Development: Keep growing with access to coaching, learning platforms and resources.

• Mobility: Stay mobile with a monthly transportation allowance.

• Enjoy working: Our well‑equipped office supports focused work and teamwork - plus inviting social zones where colleagues can relax and connect

• Flexible working: a hybrid approach with the option to work abroad for a set number of days per year.

• Wellbeing: confidential employee assistance and support services available to employees and their immediate families.

• Family support: enhanced parental leave and family‑friendly policies to support all parents and careers.