Role Title: Software Engineer/Platform SRE Location: Sheffield (3 Days per Week Onsite) Duration: 25/12/2026 Rate: £435p/d via UmbrellaRole Description: The position focuses on building, operating, and sustaining resilient platform services that support large-scale engineering teams. While this is not a full-stack developer role, strong hands-on coding capability is essential. The role requires deep practical coding skills rather than theoretical knowledge.Key ResponsibilitiesDesign, build, and operate reliable, resilient platform services.Contribute actively to hands-on coding on a daily basis.Support and improve platform reliability, performance, and scalability.Apply SRE principles to ensure availability, resilience, and efficient recovery.Participate in and support incident management, including diagnosis and restoration.Collaborate with engineering teams on developer tooling and platform adoption.Required Skills andamp; ExperienceStrong hands-on coding experience, used daily. Proficiency in at least one high-level language such as Python, Java, Node.js, or similar. Solid understanding of microservices architecture and how distributed systems operate.Strong knowledge of:HTTP/RESTLoad balancing conceptsService-to-service communication Key CharacteristicsEngineer-first mindset with strong problem''solving skills.Comfortable operating in production environments.Practical, hands-on, and delivery-focused.Able to think holistically about systems, not just individual components.