Backend System Developer

Salary: £60,000 - 60,000 per year

Requirements:

• Around 4 years commercial experience in backend software development using a strongly typed language.
• Experience integrating business-critical platforms with ERP, warehouse management or finance systems.
• Strong SQL skills, including performance optimisation and database design.
• Solid understanding of software architecture principles including SOLID, Clean Architecture and Domain-Driven Design.
• Experience with modern engineering practices such as CI/CD, automated testing and Git.
• Hands-on experience with Docker and containerised applications.
• Experience working with message queues and event-driven architectures.
• Strong communication skills with the ability to work closely across technical and non-technical teams.
• Experience working with AWS or other cloud platforms.
• Kubernetes or container orchestration experience.
• Exposure to GraphQL.
• Experience using AI-assisted development tools.
• Knowledge of secure software development and data protection best practices.
• Experience working within fast-paced, high-transaction or high-availability environments.

Responsibilities:

• Designing and developing backend integrations between digital platforms and core business systems including warehouse, ERP and finance solutions.
• Building scalable middleware to support order processing, inventory synchronisation and real-time data exchange.
• Developing modern cloud-native services using clean, maintainable architecture.
• Creating and maintaining REST APIs and event-driven integrations across multiple business systems.
• Implementing queue-based processing for high-volume asynchronous workflows.
• Improving resilience through retry logic, circuit breakers and fault-tolerant design.
• Monitoring system performance and proactively identifying opportunities to improve reliability and scalability.
• Collaborating with engineers, product teams and operational stakeholders to deliver high-quality solutions.
• Contributing to engineering best practice through code reviews, mentoring and knowledge sharing.

Technologies:

• AI
• AWS
• Backend
• CI/CD
• Cloud
• Docker
• ERP
• Git
• GraphQL
• Support
• Kubernetes
• REST
• SQL

More:

We are partnering with an ambitious technology-driven organisation that is investing heavily in its engineering capability. We are offering a Backend Systems Developer opportunity to help build and enhance the integrations at the heart of a large-scale digital platform. This is a hybrid role based in Runcorn, with three days onsite. The salary is £40,000 - £60,000. You will join a collaborative engineering team where your work has genuine impact, helping us deliver reliable, scalable systems while continuing to develop your own skills. We are investing in technology, modern engineering practices and cloud infrastructure, giving you the opportunity to work on technically interesting projects. Interviews are immediately available.

last updated 37 week of 2026