Location: Berlin (Hybrid)
CarOnSale is a start-up in the heart of Berlin. As a tech company, we have made it our mission to revolutionise the automotive trade across Europe. Join us on this exciting, fast-paced, and high-growth journey as we develop innovative and class-leading solutions for the B2B sector.
We are looking for a motivated and ambitious Frontend Engineer with a focus on Angular to join our cross-functional Logistics, Payment & Invoicing engineering team in Berlin.
🚀 Your missionCollaborate closely with product and design to ship impactful features and improvements
Take ownership of frontend tasks and user-facing applications, from ideation to deployment and maintenance
Write clean, maintainable, and well-tested code with an eye for performance and scalability
Participate actively in team discussions, technical planning, and agile ceremonies
Share knowledge with peers and support junior engineers when opportunities arise
Learn from more senior teammates and grow your technical and product understanding
Contribute to our frontend systems and help us improve integrations with backend services and external partners
You have at least 3+ years of hands-on experience in frontend engineering roles
You write TypeScript fluently and have strong experience with Angular (latest versions preferred)
You have worked with tools and frameworks like RxJS, Angular Material, NgRx, or similar state management libraries
You’re comfortable working in a team-oriented environment and collaborating closely with designers and backend engineers
You’re familiar with agile practices like Scrum or Kanban, and tools like Jira and Confluence
You’re proactive, curious, and enjoy taking ownership of your work
You have excellent English communication and collaboration skills
Nice to have: Experience integrating complex APIs, exposure to B2B platforms, or an interest in logistics/payment products.
Top Skills
What We Do
Our vision is to make automotive wholesale frictionless across Europe. We developed an innovative marketplace to connect buyers and sellers. We are ambitious, digital and reliable. We are committed to provide our customers with the easiest, most profitable and personal solution.
Together with our ambitious team, we set new standards in the remarking of used cars. We are looking for talents who believe in our vision and support us in the digitization of automotive wholesale. If you are looking for a place to realize your full potential and grow beyond your limits - COS is your place!
CarOnSale (Castle Tech GmbH)
Hauptstraße 27
Haus 9 Aufgang N
10827 Berlin
Managing Director: Tom Krüger
Phone: +49 30 311 96 400
E-Mail: [email protected]
Registry court: Charlottenburg Local Court (Berlin), HRB 213350 B
Sales tax identification number according to §27a Umsatzsteuergesetz: DE320199054 Tax number: 241/123/11331
Privacy policy
https://www.caronsale.com/de/datenschutz
.png)

.png)






