Salary: £30,000 - 50,000 per year Requirements: Strong background in C# .NET development using WinForms and Web Forms Frontend experience with React / React-Native Backend skills in Node.JS Mobile development knowledge using Objective C or Swift Minimum of 5 years experience as a full-stack developer Strong UX / UI design capabilities SQL development skills Experience working in a Unix/Linux based environment Knowledge of automation testing tools and frameworks (preferable) Some exposure to DevOps practices (preferable) Responsibilities: Design and create new products and software systems for a niche client base Collaborate with the development team to enhance existing applications Ensure high performance and responsiveness of applications Implement user interfaces with a focus on UX / UI design Work with databases and optimize SQL queries Participate in code reviews and contribute to best practices Maintain knowledge of industry trends and emerging technologies Technologies: Backend C# DevOps Frontend Linux Mobile React SQL Swift Unix Web UX UI Design ASP.NET NodeJS More: We are Major IT & Digital, partnering with one of the UKs leading IT and telecom companies, known for its robust expertise and rapid growth in the last four years. Our team is dedicated to fostering innovation and creativity in a hybrid work environment, located in Chesterfield. In addition to a competitive salary, we offer a company bonus scheme, private medical insurance, and a continued learning and development program that supports relevant industry certifications. last updated 5 week of 2026