Senior Front-End Developer
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Summary
Senior front-end developer at a payment-infrastructure technology business in Portsmouth, UK: building merchant-facing dashboards, secure checkout interfaces and reusable Web Component libraries with TypeScript, Tailwind CSS/SCSS, modern build tooling and automated testing. Hybrid role with office attendance during probation and at least three onsite days per week thereafter.
Salary: £60,000 - 70,000 per year Requirements: Significant commercial experience in frontend software development Excellent TypeScript and modern JavaScript skills Strong knowledge of HTML, CSS and browser technologies Experience with the DOM, browser events, Shadow DOM and Custom Elements Strong CSS skills, ideally including Tailwind CSS and SCSS Experience developing reusable UI components, component libraries or design systems Familiarity with modern frontend build tools such as Vite, Rollu…