Summary
Full-stack engineer with 9 years building production web applications in TypeScript, React/Next.js and Node.js on PostgreSQL and AWS. Most recently built LLM-powered data pipelines and AI-assisted internal tools in production, and work day to day with AI development tools and agentic workflows. Previously shipped payment and fintech systems (instant creator payouts, digital-bank transfer APIs) and SaaS booking and analytics platforms. Introduced CI/CD and test-driven development to past teams and led a small international contractor team. Experienced working remotely with US, EU and APAC teams in agile settings.
Technical Skills
- Languages: TypeScript, JavaScript (ES2023+), SQL, Python, C#
- Frontend: React, Next.js, Shopify Hydrogen, Angular, Vue, Tailwind CSS, Bootstrap, CSS Grid/Flexbox
- Backend: Node.js, Express, REST, GraphQL (AWS AppSync), Flask, .NET 5, async job queues
- Data: PostgreSQL, MySQL/MariaDB, MSSQL, DynamoDB, MongoDB, Supabase, Prisma, Drizzle ORM
- Cloud & DevOps: AWS (EC2, ECS, Lambda, RDS, S3, Amplify, Cognito, IAM, CloudWatch), Vercel, Render, Jenkins, GitLab CI/CD, Travis CI, Git/GitHub/GitLab
- Testing: Jest, test-driven development, React Testing Library
- AI & Agentic Development: OpenAI API (LLM-based document extraction and data structuring), AI-assisted development tools, agentic workflows, LLM pipeline design with human-in-the-loop review
Experience
- Built an LLM-powered ingestion pipeline (OpenAI API, Node.js async queue workers) that turns government employment documents from local-government websites into structured PostgreSQL data, processing ~1500 records per week.
- Shipped internal Next.js tools that let the non-engineering data team run, monitor and correct AI-assisted cleanup and import jobs themselves, replacing manual cleanups and cutting turnaround from 2-5 hours per jurisdiction down to 15 minutes.
- Adopted AI development tools and agentic workflows in daily engineering work to speed up design, implementation and iteration on the platform.
- Stack
- Migrated components from a legacy Shopify Liquid storefront into reusable React components for the new Shopify Hydrogen site.
- Built a limited-time campaign landing page and delivered UI updates requested by the design team, while maintaining the live Liquid store.
- Stack
- Wrote technical documentation for an internal systems-monitoring platform, covering architecture and operational runbooks for internal users.
- Built metrics and reporting dashboards that let client businesses track bookings, revenue, and utilization across all their branch locations.
- Delivered the admin invite flow: email invitations with secure, single-use account-creation links for employee onboarding.
- Built admin configuration pages, including mandatory temperament tests per service offering.
- Redesigned complex booking cancellations to handle edge cases cleanly, reducing support tickets by 15%.
- Stack
- Built, maintained and supported backend services for payments and fund transfers in the UnionDigital Bank app.
- Stack
- Architected time-limited, encrypted credential sharing so US clients can grant virtual assistants temporary access to passwords and sensitive data using encryption at rest, expiring access, audit logs.
- Led 3 international contract developers on support and bug-fix work: triage, code review and task planning.
- Built a live dashboard for virtual assistants to track time and progress on client tasks.
- Redesigned assistant profiles into anonymous, shareable pages for client hiring decisions.
- Stack
- Built serverless backend features for a banking client's progressive web app (AWS AppSync, GraphQL, Lambda, MSSQL).
- Created a developer tool that automatically uploads, validates and loads CSV data into the database.
- Stack
- Designed and launched Instant Payments, letting YouTube partners withdraw earnings on demand for a fee instead of waiting about two months. The fees became a new revenue stream, adding 20% on top of the company's existing revenue share from partners.
- Extended it into Weekly Payments, an automatic weekly payout option adopted by more than 50% of the partners.
- Built features for the earnings and payout system across PayPal, Tipalti and Wise for all partner creators.
- Set up a Jenkins CI/CD pipeline and introduced test-driven development, automating tests and deployments and reducing failed releases by 10%.
- Built creator tools: a React music library for browsing and downloading licensed tracks, and an Angular scheduler for publishing videos to YouTube, Dailymotion and Youku.
- Stack
Education
BS Computer Science, Specialization in Interactive Multimedia — Ateneo de Manila University, 2017 · Cum Laude, Dean's List (6 semesters)
Achievements & Leadership
- Competitive programming: 3rd-ranked Philippine team, ACM ICPC Manila Regionals 2016; Ateneo Programming Varsity, 2014–2017.
- Hackathon: 3rd place, Freelancer Hackzilla Manila II (2017), face-recognition attendance app for Android.
- Publications: Co-author of two IT literacy textbooks, BITWISE Grades 1–2 (The Bookmark Inc., 2015).
- Communication: Club President, El Presidente Toastmasters Club (Toastmasters International), 2020.