Full Stack Software Engineer

Full Stack Software Engineer Cheltenham, full time onsiteNcounter is supporting a highly specialised software consultancy delivering secure, high assurance engineering into some of the UK''s most sensitive environments. This is a role where technical depth really matters, with engineers working across the full stack to build resilient, scalable systems that operate in complex and highly controlled settings.We are looking for a Full Stack Software Engineer with strong backend expertise in either Java or C++, combined with modern JavaScript capability on the frontend. You will be part of a close, technically strong team, contributing across the full development lifecycle, from core backend services through to intuitive and responsive user interfaces.This position offers the chance to work on meaningful systems, with a strong engineering culture that values clean architecture, performance, and long term maintainability. You will also have dedicated time to develop your skills and explore new technologies.Key requirements:• Strong backend engineering experience in Java or C++ • Commercial experience with JavaScript, ideally within modern frameworks • Proven ability to build full stack applications in complex or secure environments • Understanding of software engineering best practices including Agile, TDD and CI/CD • Exposure to containerisation and orchestration, particularly Kubernetes • Experience or interest in DevOps principles and automation • Any cloud exposure across ..... full job details .....