Senior Software Engineer, AI-Powered Expense Platform

Navan is hiring an experienced Expense Engineer to own the expense product end-to-end in London. You will design and ship backend services (Java/Spring Boot) and web interfaces with AI components, focusing on accuracy, latency, and scalable data flows.

You will work across international teams, mentor others, and ensure robust observability, auditing, and compliance in financial contexts. Based in London or willing to relocate, you will join a fast-paced, tech-driven environment.