Front-End Engineer
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- Master browser fundamentals, TypeScript and component-based UI engineering
- Ship accessible, responsive interfaces with scalable state, design systems and tests
- Optimize rendering, performance and production quality across browsers and devices
Benchmark: Stripe Frontend Engineer, Data Product Experiences + Vercel Next.js engineering (current Sep 2026) + MDN Front-End Developer Curriculum + Harvard CS50 Web Market refresh: semantic HTML/CSS, modern JavaScript/TypeScript, React/Next.js, browser rendering, responsive UI, accessibility, design systems, testing, performance/Core Web Vitals, observability and cross-functional product craft.
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Enrichment
Master browser fundamentals, TypeScript and component-based UI engineering
HTML/CSS/JavaScript + browser fundamentals
Coverage: Semantic HTML / CSS Layout / DOM / Events / Browser APIs / Responsive UI
TypeScript, React + modern component architecture
Coverage: TypeScript / React / State / Hooks / Routing / Server-Client Boundaries
Ship accessible, responsive interfaces with scalable state, design systems and tests
Accessibility, responsive UX + design systems
Coverage: WCAG / Keyboard / ARIA / Tokens / Components / Design-Code Parity
Testing, data flows + collaborative delivery
Coverage: API Consumption / Forms / Error States / Playwright / Git / Code Review
Optimize rendering, performance and production quality across browsers and devices
Rendering performance + Core Web Vitals
Coverage: Browser Rendering / Hydration / Caching / Bundling / Profiling / CWV
Production delivery + frontend reliability
Coverage: CI/CD / Cross-Browser / Monitoring / Feature Flags / SLOs / Rollback
Role-Readiness Proof / Capstone
Run a 5-day Front-End Build Studio: implement a responsive React/Next.js + TypeScript product from a Figma-style spec; create reusable components/tokens; integrate real APIs and loading/error states; meet keyboard/screen-reader requirements; add unit and Playwright E2E tests; profile and improve Core Web Vitals; configure CI/CD and telemetry; test multiple browsers and devices; ship with a staged rollout and rollback plan.
Proof Rubric
- Semantic, maintainable UI code
- strong TypeScript and component boundaries
- accessible keyboard/screen-reader behavior
- responsive fidelity
- tested data/error states
- design-system reuse
- measurable performance improvement
- cross-browser evidence
- CI quality gates
- production telemetry
- clear UX/performance/maintainability tradeoffs