Senior Software Engineer – Cloud, React & Secure SDLC

RELX; Richmond; On-site; GBP 65,000 - 90,000; Full time

Job summary

RX Global, part of RELX, seeks a Software Engineer III to deliver production-quality software for well-defined components within our events platform. You will work under guidance of senior engineers to build secure, maintainable, scalable systems and improve engineering quality.

Join an Agile, cross-functional team and contribute to secure SDLC practices, code reviews, documentation, and monitoring. You will mentor juniors, participate in on-call, and help drive performance and reliability

Qualifications

• Experienced professional software engineer.
• Experience working in Agile cross-functional product development teams.
• Experience translating ambiguous requirements into scalable solutions.
• Working knowledge of SOLID, design patterns, API design, DDD, and event-driven architectures.
• Experience building modern web applications with React, Vite, REST, and GraphQL.
• Experience developing cloud-native applications on AWS; applying testing, DevSecOps, CI/CD (GitHub Actions), and Secure SDLC practices; working with observability and analytics tools such as Splunk and Mixpanel.
• Experience using AI-assisted development tools such as GitHub Copilot, Amazon Bedrock, and agentic AI workflows.

Responsibilities

• Produce clear technical documentation using the process for technical decision making and RX architectural principles.
• Build software with foundations in performance, resilience, extensibility, and security following Secure SDLC.
• Apply testing strategies that support deployment confidence and align with the Service and Operational agreements.
• Contribute to incremental improvements to code quality, testing, or development workflows.
• Write clean, maintainable code and participate actively in peer code reviews.
• Support the operational health of services and components, including monitoring, diagnostics, incident response, and service reliability.
• Maintain runbooks, documentation, and operational knowledge for owned components while contributing to reducing technical debt.
• Share knowledge with peers and support the onboarding or mentoring of junior engineers where appropriate.

Tools

GitHub Copilot

Amazon Bedrock

Agentic AI workflows

Job description

RX Global, part of RELX, seeks a Software Engineer III to deliver production-quality software for well-defined components within our events platform. You will work under guidance of senior engineers to build secure, maintainable, scalable systems and improve engineering quality.

Join an Agile, cross-functional team and contribute to secure SDLC practices, code reviews, documentation, and monitoring. You will mentor juniors, participate in on-call, and help drive performance and reliability