GrowthLoop / Senior Frontend Engineer (Full-Stack & Infrastructure Focus)
February 2025 – Present
- Led development of GrowthLoop's React component library (Hylo), establishing typed token contracts, theme/cascade-layer styling architecture, WCAG-conscious primitives, and a shared Vite/Storybook pipeline for consistent UI across product lines.
- Architected a non-isolated Vitest infrastructure that cut CI runtime by 93% (15.5m to 67s) for 1,900+ tests across 200+ files, and now scales to 3,000+ tests across 327+ files (~32s local, ~158s on GitHub Actions ubuntu-latest).
- Architected and evolved a local-first Playwright E2E ecosystem across GitLab and GitHub Actions using Docker, with modular test-data seeding and transaction-based validation to catch schema regressions early.
- Engineered a real-time data-mapping engine with React Flow and PostgreSQL, using an indexed materialized view plus since_token polling to reduce server load and UI re-renders.