Product Engineer – Frontend

October 17, 2026

Hybrid

Senior

Berlin, Germany

Description

koppla is building a next-gen collaborative scheduling platform for construction, helping project managers identify delays before they impact timelines. The company is looking for a product-minded Frontend Engineer in Berlin to take ownership of the entire feature-building process, mostly working on TypeScript codebases with growth toward a full stack role. The team is backed by leading VCs and is approaching product-market fit with over €2.5M ARR.

Responsibilities

Designing and shipping new features jointly with the product manager, designers and engineers
Building and maintaining user-facing parts of the interface in Vue
Writing and maintaining backend services and APIs (NestJS, Prisma, PostgreSQL)
Contributing to the overall architecture of the system
Taking part in code reviews and giving constructive feedback to colleagues
Applying best practices in development, infrastructure and deployment

Requirements

2–5 years of experience as a Frontend or Full Stack Engineer
Strong command of TypeScript and frontend development, in particular Vue
Product mindset and care for the user experience
Clean, efficient code and a drive to continuously improve engineering skills
Understanding of technical trade-offs: scalability, performance, maintainability
Willingness to switch between frontend and backend depending on the task
Experience in a fast-paced startup and the ability to take ownership of tasks