Navan has transformed the corporate travel payment and expense landscape by consistently prioritizing user needs As a Staff Engineer in the Flights group you will play a crucial role in architecting and delivering the next-generation flight platform which serves as the company s flagship product and drives the majority of our global business Operating at high scale you will tackle highly complex problems and collaborate closely with a broad array of stakeholders including fellow engineers product managers designers and business leaders worldwide As part of a global cross-functional team you ll contribute to a core product used by enterprises around the globe ensuring our solutions have far-reaching impact and maintain Navan s leadership in the market What You ll Do Drive Large-Scale Architecture Technical Vision Lead the design and evolution of scalable high-performance architectures and core services at the heart of our flagship global platform Set the technical direction and orchestrate cross-team initiatives to address highly complex and mission-critical challenges that shape the company s most impactful product Deliver High-Impact Solutions Own the delivery of key product features and foundational services that power the core business Work closely with a diverse group of stakeholders to ensure recent capabilities deliver meaningful outcomes for the global customer base Lead Through Influence Mentorship Act as a technical leader and mentor inspiring excellence in engineering teams through best practices in system design code quality performance reliability and scalable architecture Foster adoption of new technologies and cultivate a culture of continuous improvement Ensure Operational Excellence Champion product and system quality including hands-on involvement in feature monitoring performance analysis and rapid issue resolution post-launch Proactively plan for scalability and optimize for long-term reliability and maintainability Collaborate Across Boundaries Drive technical alignment and deep collaboration across multiple teams and domains navigating business and technical complexity to deliver cohesive solutions for a flagship global product What We re Looking For 9 years of experience building and scaling complex systems in fast-paced high-growth or large-scale environments open to exceptional candidates with less experience Proven technical leadership on flagship or large-scale consumer-facing products Expert-level proficiency with Java and Spring Boot including JVM optimization and performance tuning Deep experience in system and API architecture for distributed microservices-based systems including hands-on work with AWS or similar cloud platforms Demonstrated ownership through delivery of production-quality code with robust testing monitoring and documentation Effective collaboration with global cross-functional stakeholders Track record of evaluating and adopting emerging technologies Domain knowledge in the travel industry flights bookings inventory management is a strong plus Bachelor s or Master s degree in Computer Science Engineering or a related field or equivalent work experience