Senior Full Stack Engineer

We believe “It’s all about the user. All of them.” We’re passionate about providing a seamless one-stop experience for business travelers, no matter how they travel, where they stay, or where they’re going. We are looking for a passionate Full-Stack Engineer to lead, design and development of core product features and services that power our app used by thousands of travelers on a daily basis. You will work closely with a set of talented engineers, product managers and designers to identify customer needs and build innovative solutions to solve them. What You’ll Do: ● Design, build and evolve the core backend and frontend of our platform in a scalable and reliable way. ● Build AI-powered features using multi-agent architectures and LLM integrations to deliver intelligent, conversational experiences. ● Technically own problem domain: facilitate design, development, and launch of key microservices in the domain. ● Work cross-functionally with various engineering and product teams to deliver cross- domain features. ● Work with the leadership to identify, plan, and execute long-term vision. ● Be the Subject Matter Expert of the domain under ownership. What We're Looking For: ● At least 5 years of experience in software development. ● At least 2 years of experience in FE development using Angular, typescript, and React. ● Experience with Spring Framework and Hibernate or similar ORM technologies. ● Strong programming skills and CS fundamentals. ● Experience with agentic AI systems (LangChain, agent frameworks, prompt engineering) and AI coding tools (Claude Code, Copilot) is a strong plus. ● Deep understanding of microservices and event-driven architectures. ● Strong sense of ownership demonstrated through shipping production-quality code equipped with testing, monitoring and documentation. ● Passion for investigating and solving problems and willingness to learn and utilize new tools and technologies. ● Team player with strong communication. ● Ability to thrive in a fast-paced environment. ● Experience working at scale. ● Experience with AWS and/or distributed systems is a plus. Navan uses AI-assisted Automated Employment Decision Tool (Metaview) to assist with evaluating resumes against job qualifications for this role. All final decisions are made by human recruiters and hiring managers. Human oversight: Metaview does not automatically reject candidates or make final hiring decisions. Our recruiters and hiring managers review all outputs and make the final hiring decision regarding every application. Your rights: If you prefer to have your application reviewed without AI assistance, you may request a human evaluation by entering your email here. Your decision to do so will not affect how your candidacy is evaluated. Please refer to our Candidate Privacy Notice for more information about our processing of personal data, and your rights.