Senior Fullstack Engineer: Kotlin/Java Backend + React

Zühlke Engineering AG in London is seeking a Senior Fullstack Developer to join a high-performing squad, building and operating business-critical digital services with a backend-led focus. You will work primarily on JVM-based services using Kotlin or modern Java (Java 17+), develop APIs and event-driven workflows, and build responsive web interfaces with React and TypeScript.

You will contribute across the delivery lifecycle—from discovery to deployment, production support and continuous