Index · Projects
Systems I built or changed, from production platforms to side projects, and what each one achieved.
19 of 19 projects
PRJ-01 · Maintenance Scheduling Platform
Moved live maintenance schedules for customers in 35+ countries to a new scheduler, with a way back at every step.
4 → 1 database round trips per status change
2026 — now · PHP · Laravel · PostgreSQL
PRJ-02 · Side Project · Design Tooling
Gives AI coding agents the design context they need, so the UI they build follows one consistent theme.
2026 — now · Astro · TypeScript · Tailwind CSS
PRJ-03 · AI Service
AI service that turns complex PDF and Excel documents into inspection checklists.
2026 · TypeScript · NestJS · Amazon S3
PRJ-04 · Internal API Platform
Rails and GraphQL backend behind Luce's internal apps, client websites, and mobile apps.
−73% production Sentry errors
2025 — 2026 · Ruby · Ruby on Rails · GraphQL
PRJ-05 · Mobile Application
Contributed features to the React Native app field technicians use for work orders and service requests.
2025 — 2026 · React Native · React · JavaScript
PRJ-06 · Landing Property
Next.js property listing platform with advanced search and listing management.
2024 · JavaScript · React · CSS
PRJ-07 · Dashboard & Mobile Apps
APIs and dashboard for IATE Polban's alumni location app.
2024 · PHP · Laravel · Vue.js
PRJ-08 · Wallet Service (Core Team)
Go wallet ID generator that cut generation time from 2 hours to 5 minutes.
2h → 5m wallet ID generation
2024 · Go · PostgreSQL · Redis
PRJ-09 · Landing and Integration
Maintained the Mandiri Credit Card service in Rails and PostgreSQL.
2024 · Ruby · Ruby on Rails · PostgreSQL
PRJ-10 · Golf Scoring System
Led a golf scoring system while modernizing an inherited, non-standard codebase.
2023 — 2024 · Go · MySQL · Docker
PRJ-11 · ATS (Internal Tools)
Multi-tenant applicant tracking system where each new client company gets its own dashboard automatically.
2023 · Go · Docker · Redis
PRJ-12 · Skill Acceleration
3-month internal Go bootcamp: microservices, SAGA, gRPC, and message brokers.
2023 · Go · Docker · Redis
PRJ-13 · Middleware (Internal Tools)
Feature work and fixes on Privy's core Rails middleware.
2023 · Ruby · Ruby on Rails · PostgreSQL
PRJ-14 · Landing and Integration
Rails backend API for CIMB Octo Saver, my first project at Privy.
2023 · Ruby · Ruby on Rails · PostgreSQL
PRJ-15 · Point Of Sale Platform
Laravel point-of-sale platform with inventory, invoicing, and financial records.
2022 · PHP · Laravel · jQuery
PRJ-16 · Movie Rating and Review Platform
Rails backend for an Indonesian film review platform.
2020 — 2022 · Ruby · Ruby on Rails · PostgreSQL
PRJ-17 · E-commerce Platform
Laravel sticker ordering platform with approvals, invoicing, and sales reports.
2020 · PHP · Laravel · jQuery
PRJ-18 · Hospital Information System Product
Hospital information system used by 10+ hospitals; grew from junior developer to team lead.
10+ hospitals
2019 — 2023 · PHP · Docker · Redis
PRJ-19 · CMS & Landing Page
Laravel CMS for managing landing page sections without code.
2019 · PHP · Laravel · jQuery