Hardey Lim

Full-stack engineer. 13 years shipped, from banking floors in Makati to US healthcare platforms serving thousands of patients.

v1MisysJava · SQLv2PhilippineJava · Vaadinv3SafewayJava · SQLite · SQLv424/7.aiJava · Spring MVCv5uPraxisSpring Boot · Kotlin · MongoDBv6SourcepadRails · Angular · TypeScript
2013 → 2013

## Changelog

v6

Sourcepad International

2020 — now

Senior Full Stack Developer · US healthcare and logistics platforms, remote.

My One Medical Source2022 — now

Full-stack healthcare platform on Rails and Angular. 5,000+ users, 100,000+ transactions a month.

  • + 30% faster page loads via query optimization, N+1 elimination, lazy loading
  • + 85% test coverage, production bugs down ~25% quarter over quarter
  • + mentored 2 junior developers, PR revision cycles down ~40%
  • Designed REST APIs over complex medical data models, integrated third-party healthcare providers.

Rails · Angular · TypeScript · RxJS · PostgreSQL · RSpec

EDI Integration Platform2021 — 22

Automated EDI document exchange between enterprise trading partners.

  • + 30% less manual reconciliation for the operations team
  • + 15 features across 4 major releases in 2-week sprints

Rails · Angular · PostgreSQL

TaxCure2020 — 21

Interactive tax resolution tools connecting consumers with qualified tax professionals.

  • + mobile engagement up with responsive Angular / RxJS front end

Rails · Angular · TypeScript

v5

uPraxis Global

2017 — 19

Full Stack / Android Developer · Fintech and social enterprise product studio, remote.

Solutio2017 — 19

Led backend architecture for a microservices platform: Spring Boot, MongoDB, Redis, RabbitMQ.

  • + 20% lower query complexity with GraphQL APIs over a Neo4j graph database
  • + 2 Android apps shipped from scratch (Solutio Mobile, Philpay) in Kotlin

Spring Boot · Kotlin · MongoDB · Redis · RabbitMQ · Neo4j · GraphQL

v4

24/7.ai

2017

Software Developer · Enterprise customer-engagement automation, Taguig.

Engagement platform2017

Customer engagement automation for enterprise clients on Java and Spring MVC.

  • + 15% API throughput under peak load after service-layer optimization

Java · Spring MVC

v3

Safeway Philtech

2015 — 17

Software Engineer · Workforce management systems, Makati.

WorkBrain merger integration2015 — 17

Migrated and consolidated workforce data across SQLite and Java systems, delivered on schedule.

  • + 70% less manual migration effort via automation scripts, timeline cut by 3 weeks

Java · SQLite · SQL

v2

Philippine National Bank

2015

Senior Systems Developer · Internet banking and branch systems, Makati.

Mainframe to web2015

Converted legacy 3270 green screens to web interfaces with Vaadin; cleared critical UAT defects for the Internet Banking System inside the compliance deadline.

  • + 25% teller productivity on the modernized interface

Java · Vaadin

v1

Misys Philippines

2013 — 15

Associate Software Engineer · Global banking platform support, Makati.

RBRU Bank / FATCA2013 — 15

Production support for a global banking platform; FATCA module across dev, QA and production.

  • + 60 backlog items cleared in 4 months at a fix-a-day pace

Java · SQL

## Stack

Ruby on Rails
6+ yrs in production
TypeScript / Angular
6+ yrs in production
Java / Spring
6 yrs in production
PostgreSQL
6+ yrs in production
Kotlin / Android
2 yrs, 2 apps shipped
MongoDB · Redis · Neo4j
2 yrs in production
React / Next.js
side projects, incl. this site
Docker · Terraform · CI
daily driver
hardey@dev:~$