Job
Description
Front-End Engineer – React + TypeScript (Contract) Core Skills (“Must-Have”) Modern React wizardry Solid with React 18+/Hooks, TypeScript, and component-level state management (Context, Zustand, or Redux) Comfortable building responsive UIs CSS-in-JS, Tailwind, or vanilla CSS Modules Meets WCAG 2.1 AA accessibility standards Design-system implementation Translate Figma components & design tokens into pixel-perfect, reusable code Document variants in Storybook (or similar) for designers and fellow engineers Engineering craftsmanship Strong grasp of REST/GraphQL integration, testing (Jest + RTL/Cypress), Git flows, and CI/CD pipelines Obsessed with performance (Core Web Vitals) and bundle hygiene Cross-functional collaboration Work hand-in-hand with designers, back-end Go engineers, and product managers; clarify edge cases early Review PRs, give/receive feedback, and demo progress in agile ceremonies Day-to-Day Responsibilities Ship incremental UI upgrades to LaunchDarkly’s SaaS console—implementing the exact components designers compose in Figma Extend & harden the React component library, aligning props, variants, and accessibility patterns with design-system specs Wire up feature flags & telemetry to support safe rollouts and gather usage data for every new UI slice Enforce quality gates through automated tests, a11y checks, and performance budgets before merges hit production Nice-to-Have Extras Hands-on experience with LaunchDarkly, Split, or any feature-flag SDK in production apps Familiarity with AI-assisted tooling (e.g., v0.dev, Copilot, Cursor) to accelerate scaffolding Exposure to data-visualization libs (Recharts, Chart.js, VisX) for analytics dashboards Sample Mini-Projects You Might Tackle Scenario: Modal → full-screen flow Your Engineering Deliverable: Build the “Create Metric” wizard as a full-screen React route, reusing existing Button, Stepper, and FormControl components; ensure keyboard nav & deep-linking to each step Scenario: MetricHealthCheck widget Your Engineering Deliverable: Implement a self-contained that shows green/amber/red states, pulls live data via GraphQL, and exposes an ARIA-friendly tooltip for unmet requirements Show more Show less
