3 of 3 Permanent Senior Software Developer Jobs in Cardiff

Senior Software Developer Location: Cardiff (Office-based, 5 days a week) Salary: £57,250 - £66,275 base (DOE) + up to £3,000 annual bonus Start Date: Early 2026 Are you an accomplished Senior Software Developer with a proven track record in .NET? Join us at an exciting time in our journey, where you … company on a mission to protect organisations from document fraud through cutting-edge security solutions. Based on site in St Mellons, Cardiff, we're expanding and need another skilled developer to help us scale. What you'll do: • Develop and enhance our secure web applications using .NET 10. • Apply best practices to write clean, maintainable, testable code. • Collaborate with … challenges. • Share ideas, solve problems, and help shape the future of our products. Requirements What you bring: • 7+ years' commercial experience in modern C# .NET development, including time at senior level. • Proven ability in maintaining high testing standards (unit and integration tests). • Some experience of Clean Architecture, or similar (hexagon/onion etc) beyond traditional N-tier designs. More ❯

IntaPeople are proud and excited to be appointed to recruit a Senior Software Developer for a Welsh-based not-for-profit sector client on an exclusive venture. This is a very exciting opportunity to join their fast-growing Digital team in this newly created position due to growth. As a Senior Software Developer, you … will work alongside the Software Development team in the delivery of key projects as well as providing support and coaching for more junior developers to support their development. Responsibilities; You will lead the development of maintainable code through conducting code reviews You will collaborate with stakeholders and solution architects to understand business plans and strategies You will work within … the Software Development team to develop the companies new and existing software platforms You will create and maintain technical documentation using the appropriate business tooling About you; You will have proven experience in designing, developing and maintaining complex software systems You will have a solid understanding of modern development practices and technologies You will have solid experience More ❯

is beginning an extensive program of migration, modernisation and expansion, with a view of replacing Fiorano with a custom-built messaging solution and we wish to recruit a Lead Developer to join the Integration Platform Team. In line with the National Data Strategy, a non-proprietary cloud hosted solution is needed, that is vendor neutral and agnostic to market … multi-disciplinary team to support the delivery of new products and enhancements to existing systems. Main duties of the job Proven experience using Integrated Development Environment (IDE) to write software code and produce elegant, robust and maintainable software applications. Working toward a previously built design solution, you are expected to take the lead in the development and ensure … the following Apache Camel HL7 v 2.x and FHIR High Availability solutions, Mirroring, Replication, Clustering, AOG Modelling tools and languages, Enterprise Architect/UML Expert in OOP, unit testing, software design patterns, SOLID principles, TDD About us Digital Health and Care Wales (DHCW) is an expert national body and part of NHS Wales. We work in partnership with NHS More ❯