Senior Software Engineer II — Secure, Scalable Cloud Apps

RELX; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

RX Global is seeking a Senior Software Engineer II to design, build and operate secure, scalable software for global digital platforms. You’ll own complex technical challenges, contribute to technical decisions, and collaborate with engineering, product and business stakeholders to deliver meaningful outcomes.

You will mentor engineers, drive engineering standards, and help raise the bar across teams while delivering reliable services with strong observability and operational excellence.

Qualifications

• Strong proficiency in C#/.NET, JavaScript/TypeScript, and React.
• Experience delivering large, global or multi-tenant production systems.
• Ability to translate ambiguous requirements into scalable, incremental technical solutions.
• Experience working in Agile, cross-functional product development teams.
• Experience designing, operating and optimising cloud-native applications on AWS (EC2, Lambda, S3, SNS, SQS, Elastic Beanstalk).
• Interest in AI-assisted engineering practices, including tools such as GitHub Copilot, Amazon Bedrock or agentic AI workflows.

Responsibilities

• Design, build and maintain high-quality software across multiple services and components.
• Produce clear technical designs aligned to RX architecture principles and engineering standards.
• Build secure, resilient, observable and maintainable systems that reduce long-term operational cost.
• Lead pragmatic technical decision-making, making appropriate trade-offs between speed, quality and sustainability.
• Improve test strategy, deployment confidence, code quality and engineering practices across the team.
• Own the operational health of services, including monitoring, incident response, post-mortems and remediation.
• Work closely with Product and business stakeholders to deliver measurable customer and business outcomes.
• Mentor engineers through code reviews, pairing, technical guidance and knowledge sharing.

Skills

C#/.NET

JS/TS

React

SQL/PostgreSQL

Agile

AWS

AI-assisted engineering

Communication

Mentoring

Reliability & observability

Tools

GitHub Copilot

Amazon Bedrock

Elastic Beanstalk

Job description

RX Global is seeking a Senior Software Engineer II to design, build and operate secure, scalable software for global digital platforms. You’ll own complex technical challenges, contribute to technical decisions, and collaborate with engineering, product and business stakeholders to deliver meaningful outcomes.

You will mentor engineers, drive engineering standards, and help raise the bar across teams while delivering reliable services with strong observability and operational excellence.