01 / Current
Construction platform
Plant Hire Solutions
An equipment-hire platform for Earth Construction Solutions, shaped around quoting and project management workflows.
Full-stack developer / Philippines
Complexity, made clear.
I’m Jerald. I build web products for marketplaces and operational teams, turning complex workflows into clear interfaces, dependable APIs, and maintainable systems.
Senior Full-Stack Developer at Adaca. Open to product and platform collaborations.
Selected work / 2019—now
Products I’ve helped build and improve.
Marketplace, learning, and operational products—each with real users, real workflows, and a need to keep working.
02 / 2025
Commerce marketplace
BikeExchange
A commerce marketplace for buying and selling bicycles, parts, and services online.
03 / 2024
Fresh produce marketplace
Freshey
An Australian marketplace connecting specialist buyers and sellers of fresh vegetables.
04 / 2024
Wholesale marketplace
SFMblue
A wholesale seafood marketplace built around the needs of specialist buyers and sellers.
05 / 2022
Learning platform
Santi
An e-learning platform for Don Bosco, supported by a serverless backend.
06 / 2021
Film equipment rental
Arsenal
A rental platform built for the Philippine film community.
07 / 2020
Vehicle marketplace
Automart.ph
A marketplace for used, second-hand, and repossessed vehicles.
Where I add value
From workflow to working product.
Product delivery
Turn product requirements into responsive interfaces and implementation decisions that make sense to the people using them.
React · TypeScript · HTML/CSS · TailwindCSS · HTMX
Operational workflows
Build APIs and product flows for quoting, buying, selling, and the teams supporting those everyday operations.
Node.js · AdonisJS · NestJS · Serverless Functions
Safer change
Improve existing systems with stronger types, useful documentation, and data models that are easier to extend.
AWS · PostgreSQL · DynamoDB · MongoDB
Experience
Product teams, complex systems, practical improvements.
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2022 — now
Senior Full-Stack Developer at Adaca ↗
Expanded global quoting, introduced negotiation flows, and modernised a legacy system with stronger type documentation.
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2021 — 2022
Software Developer at Digiteer ↗
Developed and supported serverless applications, alongside AWS cloud operations.
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2019 — 2021
Software Developer at Techmaker ↗
Delivered improvements to full-stack products, turned designs into single-page applications, and documented supported systems.
Contact
Have a problem worth untangling?
dechavezjohnjerald@gmail.com