I build JRF and maintain Viajero ERP.

Also offline Flutter apps and LED race clocks, from General Santos City.

Screen and source

JRF tracking screen for request VG-000014, showing the five workflow steps from Submitted to Completed

JRF tracking, VG-000014 Confirmed Fixed

Asset & Dossier
C2025A000325, 5+ repairs
Workflow Rail
Validated -> In Service
Branch & Tech
VMI Central, Tech Boboi
Total
Ref: VG-000014
JRF System: Spring Boot (Java 17) bridging to legacy Java 7/8 ERP 0% Code / Spring Boot

Nine months maintaining the ERP and engineering JRF.

Polishing established Java 7/8 Swing modules and building Java 17 Spring Boot services.

  1. Bioclock actions, attendance logs & Swing document limiters.

  2. FACC ↔ ACC bridge adapter, report caching & payroll queues.

  3. Inventory forecasting, ROQ demand formulas & QR asset labeling.

  4. Cross-branch transfer guards & JRF Spring Boot ERP bridge.

Active duty
Feb 2026 to present
Backend
Java 7/8/17/21, Spring Boot, Swing, MySQL
Prior
Prime Developments VA, LGU Gensan-ICTD
Credentials
BSIT STI GenSan, CSS NC II, SAP B1

Five systems, shipped and in use.

JRF System & Pitch Film

Enterprise Job Request Form workflow built with Spring Boot (Java 17) bridging legacy ERP data, with a Remotion motion pitch.

00:00.00
The Race Clock on a stage LED wall at night, under a truss of floodlights, showing the 5 km, 10 km and 21 km heats at 00:09:48, 00:09:50 and 00:59:08
On the stage LED wall at a live race, three heats running.

Race Clock LED Wall PWA

Multi-category race timer syncing operator controls and stage LED walls.

Live PWA
Operator
00:42:18.45
Lap 01 / 00:14:02.11 Lap 02 / 00:28:19.84
Stage LED
00:42:18.45
4.2 ms localStorage Awaiting split
00:00.00

Langga Loan Tracker

Mobile loan ledger with 60 fps Reanimated physics and Remotion reel.

Rent-a-Box SQLite Ledger

Offline Flutter APK for vacancy checks, box assignment, and payouts.

Repository

MIS Calendar & Viber Alerts

Supabase PostgreSQL scheduler dispatching automated Viber bot alerts.

Live calendar

Java 7 to 21, Spring Boot, Flutter, MySQL, Remotion.

Backend

18 ms

Stack
Java 7/8/17/21, Spring Boot, Swing
Runs in
Viajero ERP, JRF

Database

ACID

Stack
MySQL, SQLite 3, Supabase
Runs in
Viajero ERP, Rent-a-Box, MIS-Calendar

Mobile

Offline

Stack
Flutter (BLoC), Dart, React Native, Expo
Runs in
Rent-a-Box, Loan-Tracker

Web & Motion

60 fps

Stack
TypeScript, Vite, Remotion, Reanimated
Runs in
Race Clock, MIS-Calendar, Loan-Tracker

Hiring for Java, Spring Boot or Flutter?

Open to engineering roles in General Santos and remote.

Call 0992 913 1887
Location
General Santos, PH (UTC+8)
Email
jigspals025@gmail.com
Phone
0992 913 1887
GitHub
github.com/jiggy025