Easy Apply
Easy Apply
Responsible for designing and implementing backend services, integrating AI technologies, and collaborating with teams to deliver scalable solutions.
We are seeking a skilled Backend Engineer to join our team and help us build Navan Cognition, a multi-agent AI platform. The ideal candidate will have strong backend engineering expertise and enthusiasm for working with cutting-edge AI technologies.
About the Role:
You'll be responsible for designing and implementing backend services that integrate AI capabilities including large language models (LLMs), retrieval-augmented generation (RAG), and conversational interfaces into our consumer-facing products. This is an opportunity to expand your expertise into AI while leveraging your strong engineering foundation.
What You’ll Do
- Design and develop scalable, high-performance backend services and APIs.
- Implement integrations with AI platforms and services.
- Work with AI specialists to translate AI capabilities into production-ready features.
- Assist in the entire GenAI project lifecycle, from ideation and data strategy to prompt engineering and agent evaluation.
- Ensure high reliability, performance, and security of AI-powered systems.
- Collaborate with product and engineering teams to gather requirements and deliver solutions.
What We’re Looking for:
- Proven Backend Expertise: 3+ years of experience, with a strong foundation in building and maintaining robust backend systems for large-scale consumer or enterprise products.
- Technical Mastery: Advanced proficiency in TypeScript and Node.js is required, coupled with hands-on experience developing production-grade APIs and microservices.
- Scalable Systems Builder: Demonstrated experience architecting and delivering high-availability services and distributed systems, leveraging patterns for reliability, performance, and security.
- AI Platform Integration: Experience integrating with modern AI services (OpenAI, Hugging Face, etc.), and enthusiasm for collaborating with ML/AI specialists to bring LLMs, RAG, and conversational AI capabilities into production.
- Results-Oriented Delivery: A track record of shipping consumer-facing features at scale, collaborating closely with both product and engineering teams.
- Forward-Thinking Problem Solver: Eager to explore new technologies, solving complex problems using both solid engineering fundamentals and innovative approaches.
Top Skills
AI
APIs
Llms
Microservices
Node.js
Rag
Typescript
Navan London, England Office
81-87 High Holborn, London, United Kingdom, WC1V 6DF
Similar Jobs at Navan
.png)
Fintech • Information Technology • Payments • Productivity • Software • Travel • Automation
The Head of Product Growth will define and drive strategies for user activation and revenue expansion, manage a team, and ensure a strong product-market fit through AI-driven engagement and lifecycle management.
Top Skills:
AIAnalyticsExperimentation FrameworksLifecycle CommunicationMarketingProduct ManagementUx
Fintech • Information Technology • Payments • Productivity • Software • Travel • Automation
The Senior Marketing Operations Manager will oversee the marketing technology stack, manage campaign configurations, utilize AI solutions, provide data analysis, and collaborate with cross-functional teams for strategic initiatives and compliance.
Top Skills:
Abm ToolsAICcpaGdprMarketoSalesforce
Fintech • Information Technology • Payments • Productivity • Software • Travel • Automation
The Senior Full-stack Software Engineer will secure products through scalable solutions, enhance authentication and authorization, mentor juniors, and drive risk remediation.
Top Skills:
AnsibleAWSChefDockerGitGithub ActionsGitlabHibernateJava Spring FrameworkJavaScriptJIRAKubernetesReactServicenowTerraformTypescriptVagrant
What you need to know about the London Tech Scene
London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.
