Senior Software Engineer (Frontend)

The purpose of this role is to solve complex business problems and technical challenges through the design and development of frontend applications. This role will contribute directly towards exciting technology opportunities in the public health sector; specifically in general practice. You will be responsible for designing, developing, and maintaining high-quality, scalable, and responsive user interfaces. Key TasksDesign and DevelopmentDesign, 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 securityDevelop modular, reusable components and librariesCollaborate 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)Technical LeadershipPromote and demonstrate software engineering best practices and principlesParticipate in architectural and design discussionsStay abreast of the latest technologies and industry trendsDiagnose and troubleshoot complex technical issuesResearch and advocate for new technologies, tooling, and development processes to continuously improve the team's tech stack and efficiencyContribute to technical documentation and knowledge sharing

across the teamQuality Assurance and ComplianceEnsure all applications adhere to accessibility (a11y) and cross-browser compatibility standardsWrite clean, maintainable, and well-tested code with a strong emphasis on quality and performanceConduct code reviews and provide constructive feedback to uphold team coding standards and patternsComply with X-on's Health & Safety, Data Protection, Information Security, PCI & DSP policies and procedures.Skills RequiredEssentialProven 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 librariesExpert-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 APIsKnowledge of the product development lifecycleSource control (e.g. GitLab)Strong knowledge of software design patterns and object-oriented design principlesWorking experience of unit test frameworks and test automationExcellent communication and teamwork skillsDesirableStrong expertise in Agile methodologies (e.g. Scrum / Kanban) and toolsHealthcare industry experience (NHS)VOIP call handlingBenefits25 Days Holiday plus an additional day for your birthday/equivalentCycle to Work SchemeWinter Flu JabsFree On-Site ParkingLearning and development budget with Professional Qualification Support£1,000 employee referral bonusSocial benefits (paid social events)Buy Holiday SchemeEmployee Assistance ProgramDiscount on Health InsuranceAnnual Salary ReviewEnhanced Company Sick PayMonthly pizza in the office (Hybrid employees) / coffee voucher (Remote employees)SCG mobile benefitSCG is proud to be an equal opportunities employer.We welcome applications from all parts of the community and are committed to upholding the principles of the Equality Act 2010.We are committed to supporting applicants with disabilities. We will endeavour to make necessary adjustments to ensure a fair and accessible recruitment process