Senior React Developer

Infinityquest — United Kingdom · Posted ~6 hours ago

Senior Full-time

Skills

React Frontend Architecture TypeScript JavaScript WCAG Accessibility Standards Testing Frameworks State Management WCAG

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Summary ✨ AI‑Generated

A technology company is seeking a highly experienced Senior React Developer to lead the design, development, and evolution of their front-end applications. This role combines hands-on development with front-end architecture definition, engineering best practices, and technical leadership. You will work closely with architects, product owners, UX teams, and backend engineers to deliver scalable, secure, and maintainable solutions. Key responsibilities include defining front-end architecture and standards, establishing accessibility standards aligned with WCAG guidelines, defining testing strategies, ensuring adequate test coverage, and driving decisions around state management.

Highlights

Lead front-end architecture and development best practices. Opportunity to define accessibility standards aligned with WCAG guidelines. Drive engineering decisions around state management and testing strategies. Collaborate with architects, product owners, UX teams, and backend engineers.

Description

Senior React Developer Role Overview We are looking for a highly experienced Senior React Developer to lead the design, development, and evolution of our front-end applications. In addition to hands-on development, you will be responsible for defining front-end architecture, driving engineering best practices, and providing technical leadership to development teams. You will work closely with architects, product owners, UX teams, and backend engineers to deliver scalable, secure, and maintainable solutions while ensuring consistency across the front-end ecosystem. Responsibilities Define and govern front-end architecture, standards, and development best practices.Establish and enforce accessibility standards aligned with WCAG guidelines and inclusive design principles.Define testing strategies, tooling, and quality standards across the front-end landscape.Ensure adequate coverage through unit, integration, and automated testing frameworks.Drive decisions around state management, application structure, performance, security, accessibility, and code quality.Conduct code reviews and mentor developers on engineering best practices. Updated Required Skills Strong experience with React.js, TypeScript, and modern JavaScript (ES6+).Deep understanding of front-end architecture, design patterns, and component-driven development.Extensive experience with Redux / Redux Toolkit and state management strategies.Strong experience designing and consuming RESTful APIs.Expertise in HTML5, CSS3, responsive design, and front-end performance optimization.Good understanding of WCAG accessibility standards, semantic HTML, ARIA patterns, and accessible UI development practices.Good experience establishing testing strategies and implementing automated testing solutions.Hands-on experience with testing frameworks and tools such as Jest, React Testing Library, Cypress, Playwright, Vitest, or equivalent.Experience establishing coding standards, development frameworks, and engineering best practices.Hands-on experience with GitHub, GitLab, CI/CD pipelines, and DevOps practices.Proven experience conducting code reviews and mentoring developers.Strong understanding of Agile delivery methodologies. Updated Preferred Skills Experience working with enterprise platforms such as Pega Constellation using React SDK.Knowledge of micro-frontend architectures and design systems.Experience implementing automated accessibility testing and quality gates within CI/CD pipelines.Exposure to cloud-native and enterprise-scale applications. Technology Stack React.js, TypeScript, JavaScript, Redux, REST APIs, HTML5, CSS3, Jest, React Testing Library, GitHub, GitLab, CI/CD, Agile/Scrum. Key Competencies Technical leadership and architectural decision-making.Coaching and mentoring development teams.Strong stakeholder management and communication skills.Strategic thinking with a hands-on approach to delivery.Ability to drive engineering excellence and continuous improvement