Software Development Engineer III

What qualities are we looking for
Proficient understanding of Web Fundamentals - HTML5, CSS3, JavaScript
Proficient understanding of CSS pre-processing platforms, such as LESS and SASS or CSS in JS
Proficient understanding of at least one modern UI framework React (preferred), Vue, Angular, or similar; experience with TypeScript is expected
Experience with modern state and data-fetching patterns TanStack Query, Redux Toolkit, Zustand, or m equivalent and monorepo tooling (Turborepo, Nx, pnpm workspaces)
Experience with Webpack, Vite, TurboRepo, npm/pnpm, and CI/CD pipelines.
Sound knowledge of design patterns and practices for writing clean, linted, maintainable and reusable code.
Strong understanding of RESTful APIs, GraphQL, micro-frontends, and server-side rendering (SSR) vs. static site generation (SSG).
Proficient understanding of cross-browser compatibility issues and ways to work around them.
Strong grasp of performance engineering Core Web Vitals, bundle budgets, rendering performance - and accessibility (WCAG) as first-class requirements
Experience with TDD and unit/integration testing libraries (Vitest, Jest, Testing Library, Playwright/Cypress)
Proficiency with AI-assisted development tools (Claude Code, Cursor, Copilot, or similar) - not just autocomplete-level usage, but agentic workflows for large refactors, test generation, and code migration
Strong judgment in reviewing and hardening AI-generated code: catching hallucinated APIs, security issues, subtle correctness bugs, and architectural drift
Ability to establish AI usage practices for a team prompt/context conventions, guardrails, tool evaluation, and mentoring engineers on effective and safe AI workflows

What will you get to do here

Own end-to-end frontend architecture decisions rendering strategy, module boundaries, design systems for complex, high-scale consumer products.
Enable best practices to help the team achieve their technical tasks and continually thrive in improving the technology of the product/team.
Lead the teams adoption of AI tooling: define usage guidelines, evaluate new tools, and raise the bar for how AI-assisted code is reviewed and verified.
Develop user-facing features and apps, using AI tooling to move fast without compromising on quality.
Build reusable code, libraries, and design systems for future use.
Ensure the technical feasibility of UI/UX designs, using AI prototyping tools to explore and validate ideas quickly
Be extremely detail oriented to strive for pixel-perfect implementation across devices and viewports.
Optimize applications for maximum speed and scalability, with measurable performance budgets.
Understand the internals of third-party libraries being used, and know when to build vs. adopt Qualifications

Own end-to-end frontend architecture decisions rendering strategy, module boundaries, design systems for complex, high-scale consumer products.

Enable best practices to help the team achieve their technical tasks and continually thrive in improving the technology of the product/team.