Sam Bautista

Skills

React, TypeScript, Next.js, TanStack Query/Router/Table, Tailwind CSS, MUI, Playwright E2E, AI chat UX, Design systems, i18n, Sentry/PostHog, Supabase/Postgres

Experience

1. Unravel Carbon

   • Senior Frontend EngineerApril 2024 to present
   • Frontend EngineerNovember 2022 to April 2024
   • Built customer-facing workflows across data collection, emissions dashboards, reporting, onboarding, and AI agents in a React/Next.js monorepo for B2B climate teams.
   • Shipped frontend for Sustainability Copilot and AI agents (peer benchmarking, gap analysis, data collection), including chat UX, tool artifacts, and streaming workflows used by enterprise sustainability teams.
   • Built a custom chart builder in 3 weeks as an alternative to a paid vendor integration estimated at $10K+, owning POC through production and iterating on 70+ post-launch feedback items.
   • Led frontend for enterprise data upload workflows (v1 and v2), including supplier collection, task mapping, OCR intake, and GHG category modules for fuel, waste, and refrigerants.
   • Drove platform quality: Playwright E2E across environments, i18n (including Japanese), Sentry and PostHog observability, and security dependency fixes.

2. Pomelo Pay

   • Senior Frontend EngineerAugust 2022 to October 2022

3. OOZOU

   • Full-stack EngineerSeptember 2021 to August 2022
   • Full-stack engineer on a client LMS rebuild (Next.js, NestJS): admin CMS, course management, session bookings, and notification tooling.

4. eFeed

   • Product EngineerDecember 2020 to September 2021
   • Built rich text chat (SlateJS, Pusher), a Trello-like kanban for third-party feed items, reminders, and activity tracking at an early-stage startup.

5. Insync

   • Lead UI EngineerJuly 2019 to December 2020
   • Refactored 5+ year old code to modern React/JavaScript standards, enabling window resizing, responsive layouts, and significant performance gains (virtualization).
   • Led a rehaul of the frontend using TypeScript and automated testing for higher confidence, plus state management practices to minimize unnecessary re-renders.

6. Stratpoint

   • Frontend Software DeveloperJuly 2018 to July 2019
   • Built and maintained customized CMS-like admin dashboards for Globe, one of the Philippines’ major telecommunications companies, using React.
   • Led the JavaScript side of the company’s first commercial React Native project.

Side projects

• Can Book

  Letterboxd-inspired showtimes board for Singapore and Philippines cinemas. Server Playwright scrapes across 8+ chains, normalizes rows into one poster grid with booking deep links, favourite venues, watchlist alerts, and a weekly digest email. TanStack Start, Supabase, Vercel Blob.

• Personal productivity apps

  Expenses Tracker and Workout Tracker: mobile-first logging, category trends, in-app timers; in daily use 2+ years. Next.js, Tailwind, Prisma, Supabase.

Education

University of the Philippines Los Baños, BS Computer Science