Salary: £38,000 - 45,000 per year Requirements: Proficiency in back-end web development, software development, and object-oriented programming (OOP) Understanding of front-end development and how it integrates with back-end systems Strong programming skills with knowledge of modern programming languages Ability to work with databases, server technologies, and APIs Excellent problem-solving and debugging skills Experience designing efficient, reliable, and scalable systems Bachelors degree in Computer Science, Software Engineering, or at least 5 years of relevant experience Experience with C# and Entity Framework Prior experience in a similar role is a strong advantage Responsibilities: Design, build, and maintain server-side components of our software applications Develop and optimise APIs Implement and manage databases and server frameworks Troubleshoot and debug applications Collaborate with front-end developers to integrate user-facing elements Contribute to the development of efficient, reliable, and scalable systems Technologies: C# Support OOP Web Fullstack Backend More: We are SHJ Medical & Lab Gas Specialists, established in 1967 and a leading supplier of medical and laboratory gas systems across the UK. We provide innovative solutions and services to NHS Hospital Trusts and private institutions, with deep expertise in medical gas infrastructure, including design, installation, and maintenance. Our team of qualified engineers is committed to building long-term customer relationships and delivering tailored, high-quality solutions. This is a full-time, on-site role based in Chesham, where you will help us develop and maintain the systems that support our continued innovation and operational excellence. last updated 20 week of 2026