Senior Software Developer (Golang) | £550-600/day | Inside IR35 | SC Cleared | 6 month-contract We are seeking an experienced Senior Software Developer to join a highly skilled digital delivery team working on large-scale government transformation projects. You''ll be joining a multi-disciplinary environment where experimentation, collaboration, and continuous improvement are core to how the team operates. This role suits someone who is confident in their technical delivery, enjoys solving complex problems, and is passionate about improving user outcomes. You''ll work closely with designers, researchers, engineers, and product specialists to deliver high-quality, secure, user-centred digital services.Active SC clearance is required. Applicants without current SC cannot be considered. Key ResponsibilitiesBuild high-quality digital services aligned with UK government service standards.Collaborate within Agile, multi-disciplinary teams (engineering, UX, research, product).Contribute to product discovery through observation, experimentation, and rapid feedback loops.Support continuous improvement with frequent releases and iterative delivery.Develop reliable, maintainable code and contribute to architecture discussions.Participate in code reviews, debugging, testing, and DevOps practices.Essential Skills Ways of WorkingExperience delivering digital services in Agile environments.Strong background working in product-led, user-research-driven teams.Comfortable operating in high-pac