CareerPlan

Senior Software Engineer (Backend)

London, England, GBFull-time2026-11-04 → 2026-11-10

Core

Design and develop robust, high-performance backend features and core services for a next-generation corporate expense management platform, scaling systems for global commerce, payments, and money ledgers.

Role type

Senior IC backend software engineer (Java/Spring)

Builds

Core services for corporate expense management, payments, issuing platforms, and payment/money ledgers

Domain

Fintech / Corporate Travel & Expense

Deliverable

production ML models

Required skills

Java, Spring Boot, distributed systems, microservices, API design, AWS, AI model integration, system architecture

Preferred skills

Fintech or payments processing experience, financial or workflow-heavy domain knowledge (expenses, payments, ERP, tax)

Technologies

Java, Spring Boot, AWS

Responsibilities

Design and develop robust, high-performance features and core services; address large-scale engineering challenges to improve reliability and performance; take end-to-end ownership of features from design to deployment; champion best practices in code quality, scalability, documentation, and testing

Seniority

Senior, hands-on IC