Senior Frontend Developer

Senior Frontend Developer | £50,000 - £60,000 | Guildford | Hybrid

At Jonothan Bosworth | Recruitment Specialists, we’re looking for a Senior Frontend Developer to lead the development of modern, scalable web applications, to join a fast-growing technology provider

This is a chance to play a pivotal role in shaping frontend engineering practices, driving innovation, and creating seamless user experiences.

You’ll use React, TypeScript, and JavaScript to architect and deliver outstanding user interfaces, collaborating with cross-functional teams and mentoring junior developers.

What You’ll Do

• Lead the design, development, and optimisation of web applications with React, TypeScript, and Next.js
• Collaborate with designers, backend engineers, and product managers
• Architect reusable components and scalable UI patterns
• Write clean, maintainable code with strong testing practices
• Ensure responsive design, accessibility, and cross-browser compatibility
• Troubleshoot performance bottlenecks and UI/UX issues
• Mentor developers and contribute to team-wide best practices

What We’re Looking For

• 5+ years’ experience in frontend development
• Strong expertise in React, JavaScript (ES6+), TypeScript, Next.js
• Skilled with CSS3, HTML5, and build tools (Webpack, Babel, etc.)
• Knowledge of state management frameworks (Redux, Zustand)
• Understanding of Node.js and backend principles
• Experience with RESTful APIs & testing frameworks (Jest, RTL)
• Strong focus on performance, scalability & accessibility
• Clear communicator, problem-solver, and team player

Experience with React Native or mobile frameworks, exposure to CI/CD pipelines and Agile ways of working, and prior mentoring/leadership experience are all advantages.

Professional growth and wellbeing, with benefits including:

Health cash plans & enhanced parental leave, ongoing training and career development opportunities, fun team events & industry networking opportunities, an inclusive, supportive environment where you can thrive

Contact Claire at Jonothan Bosworth Recruitment Specialists today to learn more.

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We are committed to diversity, inclusion, and equality.

As an equal opportunities employer, we celebrate diversity and are active advocates against modern slavery. We prohibit any form of discrimination or harassment based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic.