React Developer - RTK Query

JR United Kingdom; London; Hybrid; GBP 75,000 - 95,000; Full time

Job summary

A leading financial services firm is seeking an experienced React Developer to build high-performance, scalable applications. With a flexible hybrid working policy and a competitive salary range, this role offers the chance to work on user-centric solutions in a dynamic team environment.

Qualifications

• 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.

Responsibilities

• Develop and maintain responsive single-page applications (SPAs) using React, TypeScript, and RTK Query.
• Collaborate with designers, backend developers, and QA to build user-friendly experiences.
• Optimize application performance, caching, and API interactions.

Skills

React

Redux Toolkit

TypeScript

Tailwind CSS

CSS Modules

GraphQL

Jest

Cypress

Git

Job description

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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