Lead Full Stack Developer (React & C# .NET)

Salary: £? - ? per year Requirements: • Extensive commercial experience as a Full Stack Developer • Strong expertise in React and modern front-end development practices • Strong and recent experience with C#/.NET and back-end API development • Ability to work across the full technology stack, with a front-end bias • Experience designing and developing enterprise-grade applications • Proven experience with data migration, ETL, or integration projects • Strong understanding of relational databases and data modelling • Experience contributing to technical design and architectural discussions • Comfortable working in Agile delivery teams • Excellent stakeholder engagement and communication skills • Ability to create and lead a new front-end system build, including rebuilding existing components and delivering greenfield UX • Desirable: experience on large-scale transformation programmes, exposure to cloud architectures and modern deployment approaches, experience integrating enterprise platforms and third-party systems, and familiarity with Jira, Confluence, and Agile tooling Responsibilities: • Design, develop, and deliver enterprise-scale solutions across front-end and back-end technologies • Contribute to data migration, integration, and technical design activities • Collaborate with Product Owners, Business Analysts, Architects, and Testing teams in an Agile delivery environment • Create and lead a new front-end system build, including rebuilding existing components and delivering greenfield UX Technologies: • API • C# • Cloud • Confluence • ETL • JIRA • React • UX UI Design • ASP.NET • Fullstack More: We are seeking experienced, client-facing Senior/Lead Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. This is an initial three-month engagement within a long-term programme. The role is based in Birmingham, with flexible remote working; candidates across the UK may be considered. The rate is up to £500 per day, outside IR35. It is a full-stack role with a front-end bias. last updated 41 week of 2026