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Senior React Developer United Kingdom Jobs

5 Job Offers

Senior Developer C# React Investment Banking
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Talan
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Until further notice
Senior Full-Stack Developer (.NET + React)
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Senior Full-Stack Developer (.NET + React) sought by Sigma Software for a remote, full-time role in the UK. You will build cloud-native, AI-assisted solutions preventing automotive production faults. Requires expert-level .NET/C# and React.js, plus strong Kubernetes, AWS, and PostgreSQL skills. E...
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Sigma Software Group
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Until further notice
Senior Developer (Java and React)
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Senior Developer (Java and React) sought for our Glasgow Investment Banking team. You will design and build high-performance trading and regulatory platforms, leveraging strong full-stack engineering skills with backend depth and UI ownership. This role demands hands-on problem-solving, cloud & D...
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Barclays
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Until further notice
Senior React Developer
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Senior React Developer needed for a 9-month contract inside IR35, based in Bradford with mostly remote work. You will design and deliver enterprise-level applications using React and Redux, focusing on achieving WCAG 2.2 AAA accessibility standards. Key requirements include strong automated testi...
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700.00 - 800.00 GBP / Day
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Morson Talent
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Until further notice
Senior React Developer
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Senior React Developer sought by elite FinTech firm in London to build greenfield, enterprise-grade trading applications. You will design dynamic UIs and data-intensive tools for global teams, leveraging deep React expertise. Requires a STEM degree and strong communication skills. Benefits includ...
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180000.00 GBP / Year
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Hunter Bond
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Until further notice

About the Senior React Developer role

Senior React Developer jobs represent a critical and high-demand career path for experienced software engineers specializing in building sophisticated, modern web applications. Professionals in this role are technical leaders who leverage the React.js library and its extensive ecosystem to architect, develop, and maintain scalable, high-performance user interfaces. They are more than just coders; they are strategic problem-solvers responsible for translating complex business requirements into elegant, efficient, and maintainable front-end solutions. As a senior-level position, these developers are expected to guide technical decisions, mentor junior team members, and ensure the delivery of exceptional digital products.

The typical responsibilities of a Senior React Developer are comprehensive and center on the full lifecycle of front-end development. They architect application structure using component-based design, creating reusable and modular UI components. A core part of the role involves sophisticated state management using tools like Redux, Context API, or Recoil to handle complex application data flows. They are deeply involved in performance optimization, employing techniques such as code splitting, lazy loading, memoization, and efficient rendering to ensure fast, seamless user experiences. Senior React Developers integrate front-end applications with back-end services via RESTful APIs or GraphQL, ensuring data consistency and reliability. Furthermore, they establish and enforce coding standards, conduct code reviews, write comprehensive tests (unit, integration), and champion best practices in code quality, maintainability, and accessibility. Leadership duties often include collaborating with UX/UI designers, product managers, and backend engineers, as well as contributing to architectural discussions and technology roadmaps.

To excel in Senior React Developer jobs, a specific and advanced skill set is required. Mastery of React.js fundamentals, including hooks, functional components, and the virtual DOM, is essential. Proficiency in TypeScript is increasingly standard for building robust, type-safe applications. A strong command of modern JavaScript (ES6+), HTML5, and CSS3 is foundational. Experience with state management libraries, routing solutions (React Router), and build tools like Webpack or Vite is expected. Familiarity with testing frameworks such as Jest and React Testing Library is crucial. Beyond pure technical skills, senior roles demand experience with modern development workflows including CI/CD pipelines, version control (Git), and often Agile/Scrum methodologies. Knowledge of complementary technologies is common, such as Node.js for server-side rendering (Next.js), micro-frontend architectures, and cloud deployment platforms (AWS, Azure). Soft skills are equally important; senior developers must possess strong analytical and problem-solving abilities, excellent communication skills for articulating technical concepts, and the capacity to lead projects and mentor others. Typically, these positions require a bachelor's degree in computer science or a related field, coupled with 5-10 years of relevant development experience, including substantial hands-on work with React. For professionals who combine deep technical expertise with leadership acumen, Senior React Developer jobs offer a rewarding opportunity to shape the digital landscape and build the high-impact web applications that drive modern business.