Senior Frontend Software Engineer

Salary: £50,000 - 50,000 per year

Requirements

• Proven experience in designing, building, and maintaining scalable, modular, and high-performance front-end architectures (e.g., micro-frontends, design systems, component libraries)
• Proven experience with a major front-end framework/library (e.g. React)
• Experience with state management libraries
• Expert-level knowledge of HTML5 semantics, accessibility standards (WCAG), and modern CSS (e.g., CSS Grid, Flexbox, pre-processors like Sass/Less)
• Experience working with RESTful APIs
• Knowledge of the product development lifecycle
• Source control experience (e.g. GitLab)
• Strong knowledge of software design patterns and object-oriented design principles
• Working experience of unit test frameworks and test automation
• Excellent communication and teamwork skills
• Strong expertise in Agile methodologies (e.g. Scrum / Kanban) and tools (Desirable)
• Healthcare industry experience (NHS) (Desirable)

Responsibilities

• Design, develop, and maintain complex, highly responsive, and user-friendly web applications using modern JavaScript frameworks (e.g. React)
• Drive technical design and architectural decisions for the frontend, ensuring scalability, maintainability, and security
• Develop modular, reusable components and libraries
• Collaborate closely with UX/UI designers to translate wireframes and design mockups into functional interfaces
• Partner with other members of the development team to define and integrate necessary APIs (REST)
• Promote and demonstrate software engineering best practices and principles
• Participate in architectural and design discussions
• Stay abreast of the latest technologies and industry trends
• Diagnose and troubleshoot complex technical issues
• Research and advocate for new technologies, tooling, and development processes to continuously improve the team’s tech stack and efficiency
• Contribute to technical documentation and knowledge sharing across the team
• Ensure all applications adhere to accessibility (a11y) and cross-browser compatibility standards
• Write clean, maintainable, and well-tested code with a strong emphasis on quality and performance
• Conduct code reviews and provide constructive feedback to uphold team coding standards and patterns
• Comply with X-ons Health & Safety, Data Protection, Information Security, PCI & DSP policies and procedures

Technologies

• CSS
• Frontend
• GitLab
• HTML5
• JavaScript
• Kanban
• LESS
• REST
• React
• SASS
• Security
• Web
• UX UI Design
• Support
• Mobile

More

We are a dynamic company located in Melton, offering a hybrid working environment with flexible hours from 09:00 to 17:30 and a competitive salary of up to £50,000. Our team is focused on solving complex business problems in the public health sector, specifically in general practice, through the design and development of high-quality frontend applications. We are proud to offer a wide range of benefits including 25 days holiday plus an additional day for your birthday, a cycle to work scheme, free on-site parking, a learning and development budget, social events, and more. We are an equal opportunities employer committed to supporting diverse talent and individuals with disabilities.

last updated 15 week of 2026