Salary: £45,000 - 65,000 per year Requirements: Proficiency in software development, back-end web development, and programming Strong knowledge of computer science fundamentals and object-oriented programming (OOP) Hands-on development experience with Java, React, and Angular frameworks Familiarity with version control systems like Git and CI/CD pipelines Demonstrated ability to work collaboratively in a cross-disciplinary team Excellent problem-solving skills and attention to detail Bachelors degree in Computer Science, Software Engineering, or a related field Experience in the telecom or SaaS industries is an advantage Proficiency in Java, Spring, Groovy Script, and UI technologies such as Angular, HTML, JavaScript, and TypeScript for building diagnostic and automation interfaces Experience in deployment pipelines, CI/CD practices, and managing code repositories such as Git and Bitbucket Proficiency in scripting languages such as Python, Shell, and Perl for automation and data analysis Strong understanding of mobile network architecture (2G/3G/4G/5G), signalling flows, and vendor-specific RAN equipment Experience with home broadband diagnostics and service assurance Strong communication and stakeholder management abilities Responsibilities: Design, develop, test, and deploy scalable software solutions using Java, React, and Angular Collaborate with cross-functional teams Ensure high-quality code through code reviews Troubleshoot and debug complex issues Contribute to continuous improvement in software development processes Technologies: Angular BitBucket CI/CD Git Groovy Support Java JavaScript Mobile Network OOP Perl Python React Spring TypeScript Web UX UI Design More: We are Zaio Limited, a leading IT and telecom solutions provider specializing in data-driven and agile software that empowers connectivity and optimizes telecommunications. With decades of industry expertise, we support global operators and enterprises across the network lifecycle through bespoke engineering solutions that solve complex challenges. This is a full-time hybrid Software Engineer role based in Reading, with occasional remote work and an immediate start. The position is offered as a zero-hours contract, permanent or full-time role, with a salary of £45,000 to £65,000 per year. last updated 23 week of 2026