Frontend Developer

Senior Front End Developer Location: Fareham, Onsite or Hybrid (minimum 3 days a week) Salary: Up to £60,000 benefits We’re working with a high-growth technology business that’s scaling fast and building innovative digital security products used by millions of customers worldwide. They’re now looking for a Senior Front End Developer to join their front-end team, working on products used by millions of people. This is an exciting opportunity to have real ownership of high-traffic products and work with modern technologies in a business that’s shipping to production daily. The Role You’ll be joining a collaborative team of front-end engineers, including another Senior Front End Developer who built the frameworks from the ground up, and a Mid-Level Developer. You’ll also work closely with backend and QA teams, reporting to an Engineering Manager who’s grown through the business from a hands-on developer. This role is ideal for someone who enjoys mentoring, thrives in a fast-paced environment, and wants to help shape and scale a front-end architecture used by millions. Key responsibilities include: Designing and building robust, high-performance applications using React and TypeScript. Enhancing and refactoring existing browser extensions and web-based products. Working across technologies including Redux, Webpack, and Jest. Driving performance optimisations and improving UI responsiveness at scale. Collaborating in a Kanban environment with daily deployments. Sharing knowledge, mentoring others, and contributing to front-end best practices. Bringing fresh ideas on how to improve scalability, maintainability and developer experience. About You To be successful, you’ll be an experienced Front End developer who has solid JavaScript/Typescript experience and poreferably has strong commercial experience with React but we can consider other modern Frameworks and people with a passion to reskill with React. You will also enjoy problem-solving and thrives in fast-moving environments. You’ll care about clean, maintainable code and have a genuine passion for building great products. You’ll need: 5 years’ commercial Front End Development experience with JavaScript and TypeScript. Solid understanding of Redux, Webpack, and Jest (or similar frameworks). Experience delivering front-end applications at scale. Strong communication skills and a collaborative mindset. A pragmatic approach to shipping high-quality code quickly- “perfection is the enemy of success.” Experience mentoring others or taking a technical lead role is a plus. Why Join You’ll be joining a product-led company that values creativity, initiative, and craftsmanship. The engineering culture is collaborative and supportive- the leadership team has strong technical roots, and many engineers have progressed internally. It’s a great fit if you want to work on products used by millions, contribute ideas freely, and be part of a business that deploys daily and is always improving. Package: Annual bonus 28 days’ holiday ( length of service accrual & birthday off) BUPA health & dental cover Pension & death-in-service Gym and golf memberships Food allowance and local perks Free state of the art onsite gym, bar, barista, barbers and amazing (Interior designed) social spaces Team events and personal development support Interview Process Stage 1: Video call / introductory screen Stage 2: Live coding exercise Stage 3: Face-to-face with Engineering Manager, VP and Principal Engineer If this sounds like you then please click apply now!

Location: Fareham, UK, GB

Posted Date: 11/19/2025