Backend Software Engineer

As a Backend Engineer on our Expense Platform team, you’ll help build and evolve the core systems that power how modern companies manage expenses, creating intelligent, scalable infrastructure that empowers accounting teams, tax administrators, and company admins to make fast, accurate, and compliant decisions with confidence. You’ll work on a high-impact product area that blends deep domain complexity with user-facing simplicity. From designing robust APIs and real-time reconciliation pipelines, to integrating GenAI that flags anomalies, and surfaces actionable insights tailored to each persona — great for engineers who love building for both performance and innovation.

This is a high impact role at Navan. The backend services the role will build serves customers across the globe. You will get to work with a highly motivated team pushing features at a fast clip. The services are going to be mission critical for our users to pay, book and expense their trips within seconds. The role will support a highly reliable and resilient application. You will be part of continuously improving culture that values craftsmanship and developer productivity.

What You’ll Do:

• Designing and implementing APIs and core services
• Developing models and business logic
• Building out impactful product features
• Ensure the quality of the features you built, follow-up on usage/issues post release
• Work closely with product and design team to deliver new features that align with the needs of the business
• Collaborate with lead engineers to provide technical guidance and support to other team members
• Contribute to frameworks that lead to significant user experience improvements
• Learn from and assist the team in understanding and adopting new technologies

What We're Looking For:

• Solid programming skills and CS fundamentals combined with 3-5 years of experience building products
• Good understanding of architecture and API design skills to build core services and new product features
• Strong sense of ownership demonstrated through shipping production-quality code equipped with testing, monitoring, and documentation
• Eagerness for solving problems and learning new tools and technologies
• Effective communication skills working with stakeholders and domain experts across the company to design solutions to user problems
• Ability to thrive in a fast-paced environment
• Experience working at startups and/or on consumer-facing products is a plus
• Familiarity with Java, AWS, and/or distributed systems is a plus
• Familiarity with Hibernate or similar ORM technologies is a plus
• Familiarity with Spring Framework is a plus

 #LI-Hybrid