Back End Developer/ Full Stack Developer

Company Description SHJ Medical & Lab Gas Specialists, established in 1967, is a premier supplier of medical and lab gas systems, offering innovative solutions and services. With over 50 years of experience serving NHS Hospital Trusts and private institutions across the UK, SHJ is an industry leader in medical gas infrastructure, including design, installation, and maintenance. The company emphasises research and development to pioneer advanced systems for remote monitoring, risk reduction, and operational efficiency. Known for long-term customer relationships, SHJ provides tailored, high-quality solutions through a dedicated team of qualified engineers. Role Description The Back End Developer will be responsible for designing, building, and maintaining server-side components of software applications. Day-to-day tasks include developing and optimising APIs, implementing databases and server frameworks, troubleshooting and debugging applications, and collaborating with front-end developers to integrate user-facing elements. This is a full-time, on-site role based in Chesham. Qualifications * Proficiency in Back-End Web Development, Software Development, and Object-Oriented Programming (OOP) * Understanding of Front-End Development and its integration 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 with designing efficient, reliable, and scalable systems * Bachelor’s degree in Computer Science, Software Engineering, or at least 5 years of experience. * C# and Entity Framework * Experience is a huge plus