Full Stack Developer

We are looking for a Full Stack Developer to take ownership of both our existing web platforms and the development of a new, modern, real-time operational system.

This is a broad, hands-on role covering legacy systems, website management, and the design and build of new-cloud based applications using Angular and ASP.NET Core. You will play a key role in modernising our technology stack while maintaining and improving our current web presence.

This role will suit a developer who is comfortable working across traditional ASP.NET websites as well as modern, API-driven, real-time applications, and who enjoys owning systems end to end. You can find more about us here: https://nationalgas.org.uk/

WHAT YOU’LL DO

• Maintain, enhance, and support existing ASP.NET-based websites hosted on IIS
• Work with HTML, CSS, Bootstrap, jQuery, and third-party widgets to support business websites.
• Design and build modern Angular applications (v16+) for internal and operational platforms.
• Build and extend backend services and REST APIs using ASP.NET Core / .NET
• Implement real-time features using SignalR.
• Support and integrate WebRTC audio-only calling functionality.
• Design, optimise, and maintain SQL Server and MariaDB databases.
• Build features involving mapping, GPS, geolocation, and geofencing.
• Collaborate with product, engineering, and DevOps teams on system architecture.
• Write clean, testable, and maintainable code across the full stack.
• Contribute to performance, scalability, and security improvements.
• Participate in code reviews, technical planning, and system design discussions

REQUIRED SKILLS AND EXPERTISE

Frontend

• Commercial experience with Angular (v14+)
• Strong TypeScript and RxJS skills
• Experience integrating REST APIs and SignalR
• Understanding of state management (NgRx or similar)
• Strong CSS skills including SCSS, CSS Grid, Flexbox, and responsive design
• Experience with frontend testing tools (Jasmine, Karma, Cypress)
• Comfortable working with Bootstrap and jQuery on existing systems

Backend

• Strong experience with ASP.NET Core / .NET
• Experience maintaining or building ASP.NET websites
• Strong background building RESTful APIs
• Solid knowledge of SQL Server or MariaDB
• Experience with Entity Framework Core and/or Dapper
• Understanding of async programming, concurrency, and performance
• Experience implementing authentication and authorisation (JWT, OAuth2)

DevOps & Cloud

• Experience with CI/CD pipelines (Azure DevOps, GitHub Actions)
• Comfortable using Docker for development and deployment
• Exposure to Microsoft Azure (App Services, SignalR Service, Storage)
• Familiarity with logging and monitoring tools (Application Insights, Serilog)
• Comfortable working with IIS and Windows-based hosting environments

WHAT WE OFFER

• Ownership of both existing platforms and new system builds
• Opportunity to modernise and shape our long-term tech stack
• A clear roadmap toward Angular 17+, .NET 8, and Azure-native services
• Engineering-led environment with real technical ownership
• Competitive salary and benefits
• Clear career progression and skills development

Job Types: Full-time, Permanent

Pay: £60,000.00 per year

Benefits:

• Company pension

Work Location: In person