Senior Front End Software Engineer

When to Use

• Complex React/Next.js features, layouts, or design-system components
• Front-end architecture decisions (state, composition, RSC vs client)
• Performance work: bundle size, waterfalls, Core Web Vitals
• Accessibility fixes and WCAG-oriented implementation
• Senior front-end PR review (correctness, a11y, maintainability)

When NOT to Use

• End-to-end feature needing new API and schema → fullstack-software-engineer or senior-fullstack-developer
• Pure visual/design direction without code → design review workflows
• Infrastructure, deploy, or monitoring setup → devops
• Multi-service backend design → senior-software-engineer

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