Senior Full Stack Engineer
Software Engineering
Tel Aviv-Yafo, Israel
About the Role
We believe “It’s all about the user. All of them.” We’re passionate about providing a seamless one-stop experience for business travelers, no matter how they travel, where they stay, or where they’re going. We are looking for a passionate Senior Full-Stack Engineer to lead, design and develop core product features and services that power our app used by thousands of travelers on a daily basis. You will work closely with a set of talented engineers, product managers and designers to identify customer needs and build innovative solutions to solve them.
What You'll Do
- End-to-End AI Feature Ownership: Be the Subject Matter Expert of the domain under ownership. Take full ownership of AI features using multi-agent architectures, from LLM orchestration, tool integration, and schema design to rich React/TypeScript conversational components
- AI Resiliency & Observability: Implement production AI monitoring, evaluation loops (evals), distributed tracing, and safety guardrails to ensure reliable, high-quality conversational responses
- System Design: Design, build and evolve the core backend and frontend of our platform in a scalable and reliable way
- Cross-Functional Collaboration: Partner closely with Product Management, Product Designers, Security, and SRE teams to rapidly iterate on high-impact products
- Engineering Best Practices: Champion clean code principles, write technical design documents, conduct code reviews, and drive architectural consistency.
- Make an impact: Work with the leadership to identify, plan, and execute long-term vision
What We're Looking For
- Backend Experience: At least 5 years of professional software engineering experience building complex, enterprise-grade applications using modern programming languages (e.g., Java, Python, Node.js, or Go)
- Frontend Experience: At least 2 years of experience demonstrating proficiency with modern frontend frameworks (React or Angular), TypeScript, and web platform fundamentals
- AI Systems Expertise: Using AI coding tools natively as part of development lifecycle. Hands-on experience integrating LLMs, AI agents, or natural language interfaces into production systems
- Microservice Architecture: Strong foundation in distributed microservices, REST/gRPC APIs, event streams (Kafka), cloud infrastructure (AWS)
- Product Mindset & Ownership: Strong product mindset, customer-first approach, and a high sense of ownership driving initiatives end-to-end
- Team Player: Team player with strong communication skills and ability to thrive in a fast-paced environment
Navan uses AI-assisted Automated Employment Decision Tool (Metaview) to assist with evaluating resumes against job qualifications for this role. All final decisions are made by human recruiters and hiring managers.
Human oversight: Metaview does not automatically reject candidates or make final hiring decisions. Our recruiters and hiring managers review all outputs and make the final hiring decision regarding every application.
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Your rights: If you prefer to have your application reviewed without AI assistance, you may request a human evaluation by entering your email here. Your decision to do so will not affect how your candidacy is evaluated.
Please refer to our Candidate Privacy Notice for more information about our processing of personal data, and your rights.
About Navan
Navan (Nasdaq: NAVN) is the global AI-powered business travel and expense platform that makes travel easy for frequent travelers. From finding flights and hotels, to automating expense reconciliation, with 24/7 support along the way, Navan delivers an intuitive experience travelers love and finance teams rely on. See how Navan customers benefit and learn more at navan.com.
Culture of Excellence
Our team is our competitive edge — a high-performance group of smart, driven people committed to winning together. This dedication to excellence is why we’ve been recognized as a Best Place to Work by Built In (2023–2026), a G2 Best Global Software Company (2025–2026), Forbes Cloud 100 (2022–2025), and CNBC Disruptor 50 (2022–2025). At Navan, we provide an environment where top talent excels, offering the autonomy and fast-paced trajectory needed to build a defining career and do the best work of your life.
Our Benefits
Navan offers a comprehensive benefits program designed to support your well-being, financial security, and life outside of work. Our benefits, thoughtfully tailored by country to meet local needs, include healthcare coverage, insurance offerings, and wellness resources for you and your family.
We support long-term financial growth through retirement savings programs and opportunities to participate in our equity plans, so you can share in Navan’s success. To promote balance, we offer flexible time off, country-specific holidays, and paid parental leave for all new parents. Additional benefits include connectivity and commuting support*, mental health resources, and exclusive travel-related perks. Wherever you’re based, our benefits evolve with you.
Workplace Policy
Navan believes in the value of in-person connections, whether that’s sitting down to have lunch with one another, taking a walking 1:1, or collaborating in a room together. The connections forged through face-to-face interactions improve company culture and drive business results. Navan invests in global office spaces — in the U.S., Europe, and Asia, among others — that feel welcoming. In-office perks such as company-provided lunches and happy hours create a strong team environment to help you do your best work. Our employees work from the office four days a week. Please expect this policy for all roles that are tied to an office.
Equal Opportunity
Navan is an equal opportunity employer. We make all employment decisions based solely on merit. We provide equal employment opportunity to all applicants and employees without discrimination on the bases of race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We prohibit any such discrimination or harassment. This policy applies to all terms and conditions of employment, including hiring.
Accommodations
Navan complies with the Americans with Disabilities Act (ADA), as amended by the ADA Amendments Act, and all applicable state or local law. Navan will reasonably accommodate qualified individuals with a disability in connection with applications for employment as required by law.
If you need any assistance or accommodations due to a disability, you are welcome to email us at talent-accommodations@navan.com.
Candidate Privacy Notice and Use of AI
As part of the recruitment process, certain personal data may be processed using automated tools, including tools that use AI. For details on how Navan collects and uses your personal data, please review Navan's Candidate Privacy Notice here.
Job Search Best Practices
We have been made aware of recruitment scams involving fraudulent attempts to lure job seekers into sending money or personal information in return for fake job offers or coerce them into purchasing equipment by electronic funds transfer (Zelle, Venmo, etc.) Legitimate Navan recruiters will never ask for money in any recruitment or onboarding activities. All available job openings at Navan will be posted on Navan’s website and all Navan recruiters will be reachable through an email address ending in “@navan.com” or “@navan.tech” or "@talent.navan.com".
*Applies to select locations.