Senior Full-Stack Engineer - (React)

A large financial services organisation is seeking a Senior Backend Engineer to join a high-performing digital engineering function. This role sits within a customer-facing mobile product environment, delivering secure, scalable solutions at scale. Working across two product teams alongside a dedicated DevOps function, you will play a key role in shaping backend architecture, driving engineering standards, and ensuring scalability/security.

Key Responsibilities

• Design, build and maintain secure, scalable backend microservices (Node.js or JVM-based frameworks)

• Contribute to backend architecture decisions aligned to clean architecture principles

• Support and integrate with a React Native mobile application environment

• Drive performance, resilience and security best practices across backend services

• Implement and champion strong testing strategies (including TDD) and high-quality code reviews

• Collaborate closely with DevOps on CI/CD pipelines, Docker and AWS-based deployments

• Mentor engineers and contribute to continuous improvement across engineering practices

• Manage technical debt and ensure engineering decisions align with business and customer outcomes

Key Requirements

• Strong commercial experience with JavaScript/TypeScript

• React Mandatory

• Backend expertise in Node.js or Java (JVM-based frameworks)

• Proven experience designing and building REST-based microservices architectures

• Strong understanding of scalability, security and system design in production environments

• Experience working on mobile-backed systems, ideally with exposure to React Native projects

• Familiarity with AWS, Docker and CI/CD pipelines

• Strong engineering fundamentals and a passion for clean, maintainable architecture

• Exposure to or interest in applying AI within backend systems is highly advantageous

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates