Senior Frontend Developer / Tech Lead

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Job Overview React, Next.js, architecture and interactive graphics | 5 to 8 years This role owns technical direction for complex front-end features and supports the team through design decisions, reviews and mentoring. The successful candidate should combine strong React and Next.js engineering with architecture, performance and integration expertise. Must Have Skills • Advanced experience with React, Next.js, TypeScript and modern hooks-based component design. • Ability to design scalable front-end architecture with a single source of truth and clear boundaries between UI, business logic and data access. • Experience designing reusable component libraries and governing consistent component APIs. • Deep experience with Zustand, Redux Toolkit or an equivalent state-management approach, including efficient selector design. • Strong HTML, CSS and SCSS skills, including responsive design, accessibility and style isolation. • Experience implementing interfaces from detailed visual specifications and using design systems such as IBM Carbon or Material UI. • Strong REST API integration experience, including typed models, adapters, polling and defensive handling of missing or inconsistent data. • Experience defining or validating API contracts with backend teams and applying contract-testing principles. • Demonstrated performance expertise, including profiling, memoisation, code splitting, lazy loading and bundle analysis. • Awareness of frame rate, GPU utilisation and memory behavio

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