Senior Software Engineer (Node.JS and Rust)

What You'll Be Doing

• Designing, building, and maintaining scalable backend services using Node.js and Rust
• Developing and evolving federated GraphQL architectures across multiple domains and services
• Contributing to the design and implementation of microservice-based systems
• Building and maintaining serverless applications on AWS
• Working closely with product, architecture, and engineering teams to deliver high-quality, scalable solutions
• Implementing robust CI/CD pipelines to support automated build, test, and deployment processes
• Writing clean, maintainable, and well-tested code (unit, integration, and end-to-end testing)
• Working with Headless CMS platforms (Contentful) to support global content delivery
• Exploring and integrating AI development tooling where appropriate to improve engineering efficiency
• Supporting system performance, reliability, and operational excellence in production environments
• Participating in technical design discussions, code reviews, and engineering best practices
• Sharing knowledge and helping to mentor and support other engineers within the team

About You

You are a backend-focused engineer who builds reliable, high-performance systems and enjoys solving complex, large-scale problems. You’re curious, comfortable with cloud-native architectures, and like understanding end-to-end systems. You take ownership of your work, value collaboration, contribute to technical discussions, and support others through knowledge sharing and feedback.

What You'll Need

• Strong commercial experience with Node.js development
• Knowledge of Rust (professional or strong practical experience)
• Experience using Rhai for embedding scripting within Rust applications
• Proven experience designing and implementing Federated GraphQL architectures (schema design, governance, subgraph ownership, performance optimisation)
• Strong understanding of microservices architecture and distributed systems
• Experience designing and delivering serverless solutions on AWS
• Solid AWS cloud architecture experience and understanding of best practices
• Strong DevOps mindset and experience working in CI/CD environments
• Experience implementing automated testing strategies (unit, integration, and E2E testing)
• Experience working with Headless CMS platforms, particularly Contentful
• Exposure to AI-assisted development tools and modern engineering productivity tooling

The extras you’ll get

At [Employer hidden — sign up to reveal], as well as the usual employee benefits you’d expect from a FTSE listed company, including annual performance bonus, enhanced maternity and paternity leave, private healthcare, in the UK&I, we’ve just introduced a number of new Family Friendly Policies including: help for people to take control of ongoing Health conditions, support for Neurodiverse colleagues, support for Women at different life stages, helping our LGBTQ+ community, additions to Fertility coverage.

We are RS

At [Employer hidden — sign up to reveal] we’ve been solving engineering problems for over 80 years. We offer service and product solutions, sending out a parcel every 2 seconds to over 130 countries, providing over 700,000 in-stock and over 3 million unstocked products to more than 1.2 million customers. [Employer hidden — sign up to reveal] invests in your development and wellbeing, building a more diverse and inclusive culture.

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