Production Platform · EdTech
PH Reviewer Center — Civil Service Reviewer
I built a learning and assessment platform serving roughly 14,000 registered users, with mock exams, AI question correction, and progress tracking.
Read my case notes →My work · Case studies and concepts
Projects I’ve built and systems I’ve designed
I separate deployed systems from academic work and capability demos. Each page states the problem, my role, and the architecture I chose or would propose.
Audience figures are project-reported counts. They are not simultaneous-user benchmarks or uptime measurements.
Deployed systems
Production Infrastructure · Community
Bayanihan
I deployed Bayanihan for 5,000+ users on an on-premise stack, connecting community operations with controlled remote access.
Read my case notes →Production Enterprise · Retail
Multi-Branch POS & Inventory
I deployed checkout and centralized warehouse inventory across four retail branches so teams can manage sales and stock in one system.
Read my case notes →Public Web Application · EdTech
BaiCoder — AI Building Course and Reviewer
I created BaiCoder to teach beginners how to plan, debug, inspect and understand applications built with AI through self-paced lessons and untimed practice.
Read my case notes →Academic work
Academic Product / Real Project · Public Sector
INFOCITY
I built INFOCITY as an academic project that connects government-service questions to document citations and escalates unresolved inquiries to staff.
Read my case notes →Capability demos
Capability Demo · Hotel & Property
Hospitality OS
I designed this capability demo to show how I would connect room availability, reservations, seasonal rates, and housekeeping for a hotel team.
Read my case notes →Capability Demo · CRM & Operations
Lead Engine
I designed this capability demo to show how I would route leads, synchronize CRM records, and automate follow-ups without repeated manual entry.
Read my case notes →Capability Demo · Enterprise AI
AI Knowledge Workspace
I designed this capability demo to make document retrieval inspectable: how I split sources, rank matches, and connect answers to citations.
Read my case notes →Capability Demo · Data Science
Forecast Lab
I designed this capability demo to explore demand scenarios, seasonal changes, and forecast uncertainty before you commit resources.
Read my case notes →