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Senior Fullstack EngineerNavan • United States
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Senior Fullstack Engineer

Navan
  • US
    United States
  • US
    United States
Apply Now

About

Navan has transformed the corporate travel, payment, and expense landscape by consistently prioritizing user needs. As a Senior Full Stack Engineer on the
Enterprise Team , you will be a technical leader helping to build the "operating system" of our corporate travel platform. Our team owns the critical infrastructure that allows companies to function globally—managing everything from granular travel policies and dynamic approval workflows to user identity and enterprise-grade analytics.
This is a high-impact role where you will bridge the gap between complex backend logic and intuitive user experiences. You will collaborate closely with a talented team of engineers, product managers, and designers to build sophisticated configuration tools, real-time dashboards, and seamless integration flows that empower our customers to manage their travel programs at scale.
What You’ll Do:
Design, Build, and Evolve:
Architect and develop end-to-end features across the stack. You will evolve the
robust Java/Spring Boot backend services
that power our platform, while building the responsive frontend interfaces for our Admin and User portals.
Build Enterprise-Grade Workflows:
Create
powerful backend engines
and supporting UIs for complex business domains, such as configuring travel policies, visualizing approval chains, and managing user roles/permissions.
Build Data-Driven Services:
Architect and scale APIs and data services that manage high volumes of data, ensure
transactional integrity , and power reporting features and seamless integrations.
Own Features End-to-End:
Take technical ownership of a problem domain, facilitating the design, development, and launch of key
microservices
and features that have a direct impact on our users.
Collaborate Across Teams:
Work cross-functionally with various engineering, product, and design teams to deliver complex, cross-domain features in a collaborative environment.
Drive the Vision:
Partner with engineering and product leadership to identify, plan, and execute the long-term technical vision for your domain and be a subject matter expert.
Champion Best Practices:
Contribute to a culture of technical excellence by writing high-quality, well-tested code, mentoring other engineers, and advocating for best practices in
testing, monitoring, and operational reliability .
What We’re Looking For:
4-6 years of experience
in software development, building complex systems for SaaS products or consumer-facing web applications in a fast-paced environment.
Backend Expertise:
Deep, hands-on experience in backend development using
Java and Spring Boot . You should be highly skilled in
data modeling, query optimization , and designing secure, scalable APIs to support enterprise-level features.
Frontend Proficiency:
Solid experience with frontend development (4+ years) using modern frameworks like
React ,
Angular , or Vue, along with proficiency in
TypeScript
and managing application state.
Systems Architecture:
Extensive experience designing and implementing scalable applications across
microservices, distributed systems, and cloud platforms like AWS .
Collaborative Ownership:
Demonstrates strong ownership and a collaborative mindset, with clear communication skills and a proven ability to ship production-quality code equipped with robust monitoring and documentation.
AI-Enabled Workflow:
Ability to effectively leverage AI development tools (such as GitHub Copilot, CodeGPT, Claude, and Cursor) to accelerate development and innovate on engineering workflows.
Bachelor’s or Master’s degree
in Computer Science, Engineering, or a related field—or equivalent hands-on experience.
Bonus Points (Nice to Have):
AI and LLM Integration:
Hands-on experience building
AI Agents
or implementing
Retrieval-Augmented Generation (RAG)
patterns using orchestration frameworks like
LangChain
or
LlamaIndex .
Vector Infrastructure:
Familiarity with vector databases (e.g.,
Pinecone, Weaviate, or pgvector ) and experience fine-tuning prompts or managing LLM-powered services within a Java-based microservices architecture.
  • United States

Languages

  • English
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