Frontend Engineer User1st
Built and owned core areas of the public marketing website, acquisition funnel, and logged-in application using React, TypeScript, and styled-components. Delivered landing pages, pricing, freemium signup, Stripe payment flows, and SSO authentication in a distributed cross-functional team.
Served as a key reviewer across three codebases, authoring 160 pull requests with 142 merged and reviewing approximately 260 additional pull requests. Introduced Vitest and React Testing Library unit tests to the main frontend application and maintained Playwright end-to-end test suites across two products.
Built an internal VS Code extension using the Chat Participant and Language Model Tool APIs, exposing an LLM-based accessibility fixer to GitHub Copilot as an agentic tool. Owned production prompt design and contributed accessibility SDK integrations, including a listbox fixer and MutationObserver-based dynamic content detection.
Led client-side accessibility SDK integrations for approximately five client engagements and provided hands-on training for Israeli clients.