Salary: £35,000 - 50,000 per year Requirements: Commercial experience developing applications using C# across .NET and .NET framework Experience working with relational databases, including SQL Server, with confidence writing queries, understanding data structures, and troubleshooting data issues Willingness to work across databases, APIs, web, and mobile applications, building your capability across the wider stack Ability to take ownership of development tasks, write maintainable code, and work through issues methodically using sound judgement and debugging tools Clear communication and a collaborative approach to working with technical and non-technical colleagues Desirable: Experience with Blazor or other modern web UI frameworks Desirable: Experience designing or consuming RESTful APIs Desirable: Hands-on experience with an ORM such as Entity Framework Desirable: Exposure to automated testing and CI/CD pipelines Desirable: Exposure to .NET MAUI, Xamarin, or other cross-platform mobile technologies Desirable: Experience with embedded or lightweight databases Desirable: Familiarity with Jira and Confluence for tracking work and sharing documentation Desirable: A track record of contributing to technical documentation such as wikis, process guides, or technical notes Desirable: A desire to keep learning and grow in confidence across technical design, implementation, and wider engineering discussions over time Responsibilities: Build new features and enhancements across the application stack, working from user stories, tickets, and design input Improve and extend existing systems through bug fixing, refactoring, and incremental design improvements Contribute to testing, code review, and delivery of production-ready software Take part in estimation and planning discussions, helping the team understand scope and technical considerations Understand and work within the teams architectures, tooling, and processes Work with application data and SQL queries to support features, troubleshoot issues, and maintain reliable system behaviour Technologies: .NET Framework Blazor C# CI/CD Confluence Embedded Support JIRA Mobile SQL Web Xamarin UX UI Design ASP.NET Backend Sage More: We are Iridium, an established software company founded in 2002, delivering bespoke software systems for long-term enterprise clients in the UK. We design, build, host, and support custom web, mobile, and desktop platforms that underpin our clients day-to-day operations. Based in Exeter, we pride ourselves on our small, experienced team with a flat and pragmatic structure that provides direct access to decision-makers and promotes accountability. Our focus is on producing high-quality, maintainable solutions delivered reliably and on budget. We offer a competitive benefits package including a 40-hour work week, 25 days of annual leave, hybrid working options, ongoing training, and opportunities for progression. last updated 14 week of 2026