JavaScript React Developer London (Hybrid) 6 month contract Rates: Negotiable Overview We are seeking an experienced Software Engineer to join a global technology team within a leading energy trading business. This role is suited to a developer with strong front-end expertise, solid cloud experience, and a track record of delivering business-critical applications in fast-paced environments. The ideal candidate will have excellent problem-solving skills, a user-focused mindset, and the ability to thrive in Agile delivery teams. Key Responsibilities Design and build modern web applications using React, TypeScript, CSS, Jest/Vitest, Webpack, and Ag Grid. Apply modern JavaScript coding, testing, debugging, and automation techniques. Contribute to the creation and optimisation of CI/CD pipelines and deployment practices. Collaborate with global teams on solution design, technical delivery, and integration with APIs, databases, and cloud infrastructure. Ensure applications meet high standards of performance, accessibility, and user experience. Support functional excellence through the adoption of best practices, standards, and tooling. Work independently within defined workstreams, delivering high-quality, tested, and documented code.Essential Skills & Experience 8+ years of software development experience. Strong proficiency with JavaScript / React / Redux / TypeScript. Styled Components and React Testing ...