Full Stack Software Engineer

Contract Length: 6 months initial (with scope to extend)

Work Location: Remote (UK travel to Warwick or London once per quarter)

Clearance: BPSS required

Interview Process: 2 stages, no technical test

We are seeking experienced Full Stack Software Engineers to join a large-scale enterprise delivery programme within the UK energy sector. The role focuses on building and enhancing a core enterprise platform that records, tracks, and manages operational work across the UK transmission network.

This is a hands-on contract position requiring strong experience across React / Next.js on the frontend, C# / ASP.NET Core on the backend, and Azure cloud services, operating within a modern microservices architecture.

Key Responsibilities

• Develop frontend applications using React, Next.js, and Type Script
• Build backend services using C# and ASP.NET Core
• Design and implement RESTful APIs (Graph
  
  QL exposure beneficial)
• Contribute to microservices and event-driven architecture
• Write unit, integration, and end-to-end tests using Jest, Playwright, and PACT
• Build and maintain CI/CD pipelines using Git Hub Actions
• Work with Docker and containerisation tooling
• Apply Infrastructure as Code and modern Dev Ops practices
• Contribute to observability, monitoring, and alerting
• Produce technical documentation including ADRs and API specifications
• Conduct code reviews and mentor team members

Required Skills and Experience

• Minimum 5 years commercial experience in full stack software engineering
• Strong React and/or Next.js frontend experience
• Strong C# and ASP.NET Core backend development experience
• Experience working with Azure cloud services
• Practical experience with Docker and container-based deployments
• Experience building and maintaining CI/CD pipelines
• Experience building secure systems (authentication, authorisation, secure coding principles)
• Understanding of microservices architecture and REST APIs
• Experience working in Agile / SAFe delivery environments