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 pipelinesSkills 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 Netlify, or CI/CD pipelines- Comfortable with Git, ESLint, Prettier, and automated workflowsPlease apply ..... full job details .....