Senior Android Engineer

Join Navan, a leading company in business expense management, as a Senior Android Engineer. In this role, you will design, build, and enhance our mobile applications, working closely with an international team of engineers and domain experts. You will lead complex projects, contribute to technical direction, and take part in decisions on technology, design, and product direction. The position offers a range of benefits, including parental leave, healthcare, flexible vacation, and a 401k retirement plan.

Responsibilities

• Design, build, and ship Android features in a large production app, and contribute to Android infrastructure.
• Review code, give feedback to other developers, and write technical documentation to improve coding practices and code quality.
• Lead development initiatives, whether by introducing new technologies or by raising the bar for existing code, practices, or architecture.
• 5+ years of experience developing high-quality Android applications
• Performance tuning and optimization

Gradle builds and modules

• App components (Activities, Services, receivers, providers) and how they fit together
• Strong understanding of concurrency practices and experience working with coroutines
• Solid understanding of the Android SDK:
• How the Android applications you develop fit into the Android OS lifecycle: notifications, deep links, battery modes, network state, persisting data, and permissions
• Material Design principles, mobile UX practices, and patterns
• Accessibility best practices for mobile applications

Requirements

• Proficiency in Kotlin and building user interfaces with Jetpack Compose
• Strong understanding of the full app development lifecycle
• Must be capable of making architectural judgment calls based on real data and requirements
• Working knowledge of MVVM and standard multi-tier architecture
• OAuth, mobile app authentication, and data safety

Familiarity with

• Experience using AI / LLM tools in day-to-day development, including how to keep quality, review standards, and security intact when you use them
• Experience with modern Android frameworks such as Dagger/Hilt and OkHttp/Retrofit,
• Experience building automated test suites with Espresso/kakao and a clear view of what belongs in unit, integration, and UI tests
• Solid foundation in data structures and algorithms, with a focus on delivering testable, scalable, and maintainable code
• Experience with CI/CD, automated testing, and publishing to the Play Store
• Bachelor’s degree in Computer Science or a related technical field