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