Financial Services Firm is hiring for a React Developer with a focus on RTK Query / Modern Frontend Engineering. This role has a flexible hybrid working policy and is based in the City of London. Salary ranges between £75K - £95K depending on experience. They are seeking an experienced React Developer with expertise in Redux Toolkit - RTK Query to build high-performance, scalable, and user-centric applications. Responsibilities : Develop and maintain responsive single-page applications (SPAs) using React, TypeScript, and RTK Query Collaborate with designers, backend developers, and QA to build polished, user-friendly experiences Translate UI/UX wireframes into reusable, maintainable components Optimize application performance, caching, and API interactions Participate in Agile ceremonies and contribute to continuous delivery pipelines Skills and Experience Required: 4-7 years in frontend or full-stack development Proven production experience building SPAs with React Strong hands-on experience with Redux Toolkit (RTK) and Redux Query Comfortable working with Agile methodologies Deep understanding of functional components, React Hooks, and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for immediate interview!