Senior Backend Engineer for AI-First Fintech Platform

Navan; Greater London; On-site; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Parental leave

Commuter benefits

Healthcare

Flexible Vacation

Health and Wellness

Fuel for Connection

Pet Friendly

IATAN (travel-related discounts)

401k (retirement plan)

Connectivity Allowance

Learning & Development

Job summary

Navan is seeking a Senior Software Engineer (Backend) to drive architecture for a next-generation corporate expense platform and to scale backend systems for global payments, issuing, and accounting integrations.

You will own features end-to-end, collaborate with global teams, and champion code quality, testing, and monitoring. Expertise in Java/Spring, distributed systems, and cloud platforms is essential.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• Strong experience with distributed systems, microservices, and API design.
• Proficiency in Java and Spring Boot, with solid JVM performance understanding.

Responsibilities

• Design and develop robust, high-performance backend features and core services for a global, AI-first platform.
• Scale backend systems powering global commerce, payments, issuing platforms, and accounting integrations.
• Own end-to-end features from design to deployment and operational support.

Skills

Distributed systems

Microservices

API design

Java

Spring Boot

JVM tuning

Education

Bachelor's or Master's in CS/Engineering

Tools

AWS

Job description

Navan is seeking a Senior Software Engineer (Backend) to drive architecture for a next-generation corporate expense platform and to scale backend systems for global payments, issuing, and accounting integrations.

You will own features end-to-end, collaborate with global teams, and champion code quality, testing, and monitoring. Expertise in Java/Spring, distributed systems, and cloud platforms is essential.