Mid
Build the web platform, DevEx, and AI-accelerated tooling powering Pinterest.com
Pinterest is hiring a Software Engineer II to work on the web platform and developer-experience tooling (builds, CI/CD, testing) that hundreds of engineers rely on to ship Pinterest.com. This interview probes 3+ years of front-end depth (JavaScript, CSS, DOM, HTTP, React/Redux/TypeScript, Jest), build-tooling familiarity (Webpack/Rspack/Vite, Node.js, SSR/Next.js/Remix), and hands-on use of AI coding agents for large-scale migrations and workflow automation.
Step into this interview
Free · a live voice mock calibrated to this exact role
What this interview tests
- Front-end fundamentals (JS, CSS, DOM, HTTP) and React/TypeScript/Redux
- Build tooling and testing (Webpack/Rspack/Vite, Jest, SSR/Next.js)
- Web platform/DevEx work: CI/CD, cross-team tooling adoption
- Hands-on use of AI coding agents for migrations and workflow automation
- Driving a site-wide technical improvement across team boundaries
Common question themes
Describe a DevEx, build, or CI/CD improvement you shipped that other engineers relied on
Deep dive: how does the browser rendering/DOM/HTTP pipeline work, and where have you optimized it
Your experience with React/Redux/TypeScript state management tradeoffs on a real project
How have you used an AI coding agent (Claude Code, Cursor, Codex) for a large-scale migration or repetitive task
Tell me about identifying a site-wide technical challenge and driving adoption of your solution across teams
Testing strategy: how you use Jest/RTL to keep a large front-end codebase reliable
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