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Theodore Donald Valerio

Senior Full Stack Developer

Philippines · dev.tdlv@gmail.com · https://tdlv.dev · 15 years building software

Summary

Senior full stack developer with end-to-end ownership of product architecture, delivery, and AWS-backed deployments. Currently running commerce systems for an Australian automotive retail group: three storefronts with ~20,000 products each and about A$1M in monthly online sales. Strongest on Laravel, React, and Shopify systems, with hands-on cloud setup for compute (EC2, Elastic Beanstalk), databases (RDS), storage (S3), APIs, and CI/CD into production.

Skills

Full stack: React, Next.js, TypeScript, Laravel, Node.js, Shopify, AWS, MySQL, PostgreSQL

Cloud & delivery: AWS EC2, Elastic Beanstalk, S3, RDS, Application APIs, CI/CD pipelines, Production reliability

Also: Express, Redis, Firebase, WooCommerce, BigCommerce, Tailwind, GraphQL, Puppeteer, Git / GitHub

Experience

Senior Full Stack Developer · Australian Automotive Retail Group

2018 – Present · 8 years

Own architecture and delivery for the commerce systems of a 50+ employee automotive retail group, spanning Laravel, Node.js, React, and Shopify
Run three Shopify storefronts with catalogs of roughly 20,000 products each, supporting about A$1M in monthly online sales
Provisioned and operate AWS compute with EC2 and Elastic Beanstalk for production application hosting
Set up relational data on RDS and object storage on S3 for app assets, exports, and file workflows
Built and maintain application APIs and service integrations for product and ops workflows across Shopify, BigCommerce, and Magento
Use CI/CD pipelines for repeatable releases, plus production reliability and performance work when systems misbehave
Partner with stakeholders on scoping, estimates, and delivery across storefronts, shipping, pricing, campaigns, and migrations

Chief Technical Officer

2016 – 2018 · 2 years

Led technical strategy and end-to-end architecture for a growing tech company
Led and mentored a 4-person engineering team and set delivery standards
Owned stakeholder alignment on scope, risk, and shipping decisions

College Professor · University of the East – Caloocan

2012 – 2018 · 6 years

Taught computer science and web development at the university level
Guided students through real-world projects and production-minded practices
Mentored the next generation of developers beyond the classroom

Freelance Web Developer

2011 – 2018 · 7 years

Owned full project lifecycle with clients from requirements and estimates through launch
Early Shopify theme and storefront work alongside PHP, WordPress, jQuery, Bootstrap, Laravel, and AngularJS
Delivered responsive design, custom solutions, and clear stakeholder communication remotely

Selected work

Shopify · Automotive & parts
Frankies Auto Electrics. Shopify Developer. Owned the primary Shopify storefront end to end for a ~20,000-product catalog: Liquid theme architecture, sale and holiday pricing workflows, and custom apps on the Shopify API extending store operations beyond stock theme limits.
Shopify · Liquid · Shopify Admin API · Custom Shopify apps · Theme customization
Shopify · Automotive & parts
Brand Beast. Shopify Developer. Delivered Liquid theme customization and custom Shopify API apps supporting retail and service operations across a ~20,000-product catalog for an auto electrical brand, evolving the storefront as catalog and content needs changed.
Shopify · Liquid · Shopify Admin API · Custom Shopify apps · Theme customization
Shopify · Automotive & parts
Car Audio Connect. Shopify Developer. Built storefront and catalog tooling for a wholesale and retail car audio brand with ~20,000 products: Liquid theme customization, Shopify API apps, and vehicle-oriented product discovery so shoppers find compatible components.
Shopify · Liquid · Shopify Admin API · Custom Shopify apps · Theme customization · JavaScript
TimeOps Suite. Lead Full Stack Developer. Architected a timekeeping and payroll platform used by two companies for teams of 10–30 employees: geolocation-validated attendance, automated payroll with overtime, tax, and benefits, leave and shift scheduling, role-based access, and audit-ready reporting. Deployed on AWS with RDS-backed data.
React · Laravel · MySQL · AWS · RDS · Tailwind
Customer support platform
SupportDesk. Lead Full Stack Developer. Built a Zendesk-style support platform handling ~200 tickets per day across 10 agents: ticket intake, assignment and status workflows, conversation history, queue and filter views, role-based access, notifications, and AI-assisted reply drafts.
Laravel · React · MySQL · Tailwind
Shopify · Fulfillment
Courier Tracking & Label Platform. Full Stack Developer. Unified Shopify, BigCommerce, and Magento order streams into automated label generation and live parcel tracking, producing 100–200 labels per day across three stores. Made fulfillment roughly 3× faster than the manual process while cutting shipping errors.
Node.js · Shopify Admin API · Webhooks · BigCommerce API · Magento API
PriceMatch Pro. Lead Architect & Full Stack Developer. Architected a competitor pricing intelligence platform repricing 20,000–30,000 products on hourly, daily, and weekly schedules, roughly 3× faster than manual repricing: scheduled scraping, multi-source aggregation, margin analytics, and admin override and audit tooling. Ran continuous jobs on AWS EC2.
Laravel · MySQL · AWS · EC2
Shopify · Campaigns
Commerce Campaign Suite. Full Stack Developer. Built Shopify campaign automation managing two stores, including an EOFY campaign spanning 120+ products: bulk scheduled price changes with clean rollbacks, multi-store management from one ops surface, live campaign analytics, and batch failure notifications.
Shopify · Node.js · Shopify Admin API

Education

M.S. Computer Science

No AWS certifications. Hands-on cloud setup experience instead: compute, databases, storage, APIs, and CI/CD into production.