Fullstack Engineer (with Backend focus) (f/m/x)

Job Description

CarOnSale, a Berlin-based tech start-up, is seeking a Fullstack Engineer with a Backend focus to join their Logistics, Payment & Invoicing engineering team. The company is revolutionizing the automotive trade across Europe and offers an exciting, fast-paced, and high-growth environment.

The engineer will collaborate with product and design teams to deliver impactful features, take ownership of backend tasks, write clean and well-tested code, participate in team discussions, share knowledge, and contribute to improving integrations with external services.

Responsibilities:

• Collaborate closely with product and design to ship impactful features and improvements
• Take ownership of backend tasks and services, from ideation to deployment and maintenance
• Write clean, maintainable, and well-tested code with an eye for performance and reliability
• 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 backend systems and help us improve integrations with external services like payment providers (e.g., Stripe)

Requirements:

• At least 2+ years of hands-on experience in backend engineering roles
• Comfortable working in a team-oriented environment and collaborating across teams
• Fluency in TypeScript and experience with technologies such as Node.js, NestJS, and PostgreSQL
• Familiarity with agile practices like Scrum or Kanban, and tools like Jira and Confluence
• Proactive, curious, and enjoys taking ownership of your work
• Excellent English communication and relationship building skills