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.NET Developer

Posted 19 February 2026
Salary £70,000 - £80,000
LocationWorthing
Job type Permanent
Discipline Energy & UtilitiesTechnology

Job description

Senior .NET Developer (.NET / Azure) - Energy

  • Initial 1 year fixed term contract

  • Hybrid - 2 days per week in the Worthing office

  • £70,000 - £80,000 base + bonus + benefits


We’re looking for an experienced Senior .NET Developer to join our technology team and play a key role in delivering high-quality, scalable software solutions. Reporting to the Technical Delivery Manager, you’ll work across new development, system enhancements and production support, using modern Microsoft technologies and cloud platforms.


Senior .NET Developer - What you’ll be doing

  • Designing and building high-volume, high-performance, highly available applications

  • Developing, unit testing and maintaining clean, well-structured code in line with agreed standards

  • Supporting and enhancing live production systems

  • Assisting during project test phases by resolving issues related to coded components

  • Working closely with business stakeholders to translate requirements into technical solutions

  • Estimating development effort and collaborating with BAs, testers and delivery teams

  • Taking ownership of codebases, including source control and code quality

  • Producing and maintaining clear technical documentation

  • Proactively identifying and escalating technical risks or issues when needed


Senior .NET Developer - What we’re looking for

  • 8+ years’ experience in software development roles

  • Strong experience across the full software development lifecycle

  • Solid understanding of SOLID principles and unit testing

  • Extensive hands-on experience with the Microsoft stack, including:

  • C#, .NET, .NET 6–8

  • ASP.NET Core / MVC

  • Experience supporting and troubleshooting Azure cloud integrations, including:

  • Azure Function Apps

  • Azure Service Bus

  • Azure Logic Apps

  • Experience using Terraform to build and manage infrastructure

  • Strong experience designing and building APIs and web services

  • Comfortable working in Agile, Waterfall or hybrid environments

  • Experience in the Utilities / Energy sector is a plus