Senior Frontend Developer Location: Portsmouth, Hampshire Working Pattern: Office-based during probation, then minimum 3 days onsite per week Salary: £60,000 - £70,000 plus benefits An opportunity has arisen for an experienced Senior Frontend Developer to join an established technology business specialising in payment infrastructure, transaction processing and enterprise software solutions. This is an excellent opportunity for a talented frontend engineer who enjoys building high-quality, scalable user interfaces and wants to take genuine ownership of frontend development across multiple products. You''ll be working on business-critical applications, including payment platforms, merchant-facing dashboards, secure checkout solutions and shared UI component libraries. The business takes a modern, standards-based approach to frontend development, using TypeScript, JavaScript, Tailwind CSS and modern build tooling, rather than relying heavily on traditional frontend frameworks. The Role As a Senior Frontend Developer, you''ll take responsibility for designing, developing and improving frontend applications used across the business. Working closely with UI/UX designers and backend engineers, you''ll deliver polished, secure and performant user interfaces. Key responsibilities include: Design, develop and maintain modern frontend applications using TypeScript and JavaScript. Build and enhance reusable Web Components and shared UI component libraries. Develop merchant-facing ..... full job details .....