Mid-Level Fullstack Engineer (Angular + Node.js/TypeScript)

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 Mid-Level Fullstack Engineer to join our cross-functional Logistics, Payment & Invoicing engineering team in Berlin.

🚀 Your Mission

• Collaborate closely with product and design to deliver impactful features and improvements across frontend and backend

• Take ownership of fullstack tasks, from implementation to testing, deployment, and maintenance

• Build and improve user-facing applications in Angular and backend services in Node.js/TypeScript

• Write clean, maintainable, and well-tested code with a focus on reliability and performance

• Contribute to integrations with external providers (e.g., payment services like Stripe)

• Actively participate in team discussions, technical planning, and agile ceremonies

• Share knowledge with peers and be open to learning from more senior engineers

✅ Your Profile

• Around 3+ years of professional experience as a Fullstack or Frontend/Backend Engineer

• Strong hands-on experience with Angular (modern versions, ideally Angular 15+)

• Solid skills in TypeScript and Node.js (NestJS experience is a plus)

• Familiar with relational databases (e.g., PostgreSQL)

• Comfortable switching between frontend and backend tasks

• Familiar with agile practices (Scrum/Kanban) and tools like Jira and Confluence

• Curious, proactive, and eager to grow into a more senior position over time

• Excellent communication skills in English

Nice to have:

• Experience with payment, invoicing, or logistics systems

• Interest in the automotive industry

⚡ This is a mid-level role with plenty of room to grow. You’ll work alongside senior engineers, gain exposure to complex systems, and develop both your technical and product understanding in a high-growth startup environment.

• 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)

Your profile

• You have at least 3+ years of hands-on experience in backend engineering roles

• You’re comfortable working in a team-oriented environment and collaborating across teams

• You write TypeScript fluently and have worked with technologies such as Node.js, NestJS, and PostgreSQL

• 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 relationship building skills

• Nice to have: You’ve had some exposure to Logistics systems / environments