> Markdown version of [/jobs/ext/4000036-net-developer](https://www.wearedevelopers.com/jobs/ext/4000036-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # NET Developer - **Company:** Tech4 Limited - **Location:** Southampton, UK (Remote available) - **Salary:** £60,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, ASP.NET, .NET Framework, Application Programming Interfaces (APIs), Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Code Review, Continuous Integration, Database Design, DevOps, Microsoft SQL Server, Standard Sql, Software Engineering, Systems Integration, Web Services, Git, Software Version Control, GXP - **Published:** October 29, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5944453727 ## About the Role * Commercial experience developing software using C# and .NET * Experience building or supporting APIs, web services and system integrations * Experience with ASP.NET / ASP.NET Core * Experience with SQL Server, including database design and querying * Experience using Git for source control * Experience with Azure DevOps or similar tooling for work tracking, builds and deployment * Experience working in a software development team in a structured commercial environment * Experience troubleshooting and supporting live applications * Strong problem-solving skills and a practical approach to resolving technical issues * Good communication skills and the ability to work with technical and non-technical colleagues ## Description * Develop, enhance, test and support .NET-based applications, APIs and integrations * Work on customer-facing, operational and internal systems to improve their reliability, usability and business value * Collaborate with business stakeholders, product owners, analysts and third parties to understand requirements and develop workable technical solutions * Build and maintain integrations between internal platforms and external suppliers or services * Maintain and improve existing applications, including troubleshooting defects, performance issues and production incidents * Contribute to technical design decisions and ensure solutions are secure, supportable and aligned with good engineering practice * Write clean, maintainable code and follow agreed standards for version control, testing, deployment and documentation * Participate in code reviews, peer support and team knowledge sharing * Assist with releases, deployments and post-release support as required * Improve development practices, documentation and technical resilience to reduce dependency on individual team members * Use Azure DevOps, Git and CI/CD tooling to support structured software delivery * Contribute to a collaborative, delivery-focused team culture and continuous improvement in software development and support * Perform other ad hoc duties assigned by the Head of IT * Take responsibility for personal development within the scope of the role and encourage the development of others Technologies: * ASP.NET * Azure * C# * CI/CD * DevOps * Git * Support * SQL * Web * Cloud, We are a fast-growing, highly successful organisation seeking a hands-on .NET Developer to help develop, enhance and support our customer-facing, operational and internal systems. You will work across a mixed legacy and modern application estate, collaborating with colleagues across IT, the wider business and third-party suppliers. We offer excellent training and career development opportunities, a basic salary of £55,000-£60,000 and excellent benefits. The role is based from our Southampton office two days per week, with remote working three days per week.