Senior Front End Developer

This job can be based at either Romford or Cardiff. As a Senior Front-End Developer, you ll take ownership of building and evolving complex, high-traffic customer facing web applications using modern technologies. You ll set technical direction, champion best practice, and work closely with designers, engineers, and marketing teams to deliver fast, accessible, and highly reliable experiences across our digital platforms.

This role is suited to someone with many years of hands-on front-end experience who wants to make a tangible impact. You ll play a key role in shaping how people buy travel insurance online, leading the continuous improvement of a platform used by customers with specialist medical needs. Your work will directly influence product decisions, engineering standards, and the overall quality of our customer journey.

We re looking for a senior individual who brings strong technical judgement, a passion for quality, and the confidence to lead by example. You ll help raise the bar for front-end engineering across the business while contributing to our mission of making travel insurance clear, accessible, and trustworthy.

Key Responsibilities

• Develop responsive, accessible, and visually appealing web interfaces using HTML, CSS, and JavaScript.
• Translate UI/UX wireframes and design mock-ups into fully functional front-end code. Ensuring cross-browser compatibility.
• Design and build split test and multivariant test which enhance the customer experience and increase online conversion. Use data to inform feature testing strategy.
• Write clean, efficient, and maintainable code following industry best practices.
• Implement dynamic client-side functionality using JavaScript frameworks or vanilla JS.
• Perform basic PHP coding tasks such as templating, working with simple CMS functions, or integrating front-end components with back-end logic.
• Conduct comprehensive cross-browser and cross-device testing to ensure consistency and reliability.
• Optimize website performance and page load times.
• Participate in sprints, stand-ups, and planning meetings to ensure alignment and timely delivery.
• Maintain documentation for front-end processes, patterns, and code and onboarding.

Skills, Knowledge and Expertise

Required Skills:

• Advanced knowledge of HTML, CSS (including Flexbox, Grid, animations), JavaScript (ES6+), and responsive design principles.
• Basic to intermediate understanding of PHP (e.g., embedding PHP in templates, working with WordPress, simple form handling).
• Familiarity with responsive design frameworks like Bootstrap or Tailwind.
• Experience using Git for version control and collaborative development.
• Strong debugging and optimisation skills for both performance and accessibility.
• Ability to write clean, maintainable, and well-documented code.
• Strong attention to detail and an eye for design fidelity.
• Good communication skills and a collaborative attitude.

Desirable Skills:

• Knowledge of Laravel (PHP Framework).
• Familiarity with RESTful APIs and integrating back-end services.
• Understanding of basic SEO principles and web accessibility standards (WCAG).
• Familiarity with website performance optimization tools (e.g., Lighthouse, PageSpeed Insights).
• Knowledge of deployment workflows, with hands-on experience using Docker and modern CI/CD tooling.
• Experience with automated testing (e.g., Jest, Cypress).

Key Competencies

• At least 4 years commercials experience in a similar role
• Previous experience of working as part of a team to deliver value and drive results.
• Able work independently and be self-managed. Keen commercial mindset and focus on driving online conversion to deliver increased revenues.
• Passionate about innovation, keen to push the boundaries and challenge conventional thinking.