Senior Software Engineer (Full-Stack)

4w4 weeks ago

Navan

San Francisco, US · Full-time · $113,400 – $252,000

About this role

Navan is looking for a Senior Full-Stack Engineer to lead the design and development of mission-critical product features and services that power a platform used daily by thousands of travelers worldwide. You will play a pivotal role in shaping technical direction and driving cross-team initiatives to deliver scalable, reliable, and user-focused solutions.

In this role, you will lead technical strategy and architecture for core backend and frontend components, ensuring scalability, reliability, and performance. You will own complex domains end-to-end, from design through development, launch, and ongoing evolution of key microservices and customer-facing features.

You will influence cross-functional teams including engineering, product, and design by aligning technical execution with business goals and long-term product vision. Additionally, you will raise the technical bar through code reviews, architectural guidance, and fostering best practices in testing, monitoring, and documentation.

As a senior engineer, you will mentor and coach engineers across the organization, helping to grow technical skills and leadership capabilities. You will also partner with leadership to define and execute a multi-year technical roadmap, ensuring platform investments support company growth at scale.

Requirements

5+ years of software development experience, with deep expertise in both backend and frontend systems.
Strong programming skills and CS fundamentals, with mastery in at least one backend language (Java, Python, etc.) and modern frontend frameworks (React, Angular, TypeScript).
Proven experience designing and evolving large-scale distributed systems and microservice architectures.
Demonstrated ability to own technical domains, making architectural trade-offs and long-term design decisions.
Experience driving cross-domain initiatives, coordinating with multiple teams to deliver cohesive solutions.
Track record of mentoring engineers, leading technical discussions, and influencing outcomes at an organizational level.
Experience with cloud platforms (AWS preferred), CI/CD pipelines, and modern DevOps practices.
Passion for solving complex problems, continuously learning, and delivering customer-focused innovations.

Responsibilities

Lead technical strategy and architecture for core backend and frontend components of the platform, ensuring scalability, reliability, and performance.
Own complex domains end-to-end: from design through development, launch, and ongoing evolution of key microservices and customer-facing features.
Influence cross-functional teams (engineering, product, design) by aligning technical execution with business goals and long-term product vision.
Raise the technical bar through code reviews, architectural guidance, and fostering best practices in testing, monitoring, and documentation.
Mentor and coach engineers across the organization, helping to grow technical skills and leadership capabilities.
Partner with leadership to define and execute a multi-year technical roadmap, ensuring that platform investments support company growth at scale.