Jaylord Vhan Fabor (Jjay Fabor)

Software Engineer · AI Engineer — @JjayFabor — based in Iloilo City, Philippines.

I'm a Software Engineer and AI Engineer who builds AI agents, developer tools, and workflow automation — software where AI does useful work inside real systems.

I build reliable backend applications, internal business tools, AI voice agents, self-hosted AI agents, and automated workflows that connect systems, APIs, and data. I care about maintainable, production-quality systems that solve real business problems.

Professional experience

My professional work includes HubSpot CRM development, custom workflows, API integrations connecting CRM data to an internal pipeline database, n8n business-process automation, and VAPI AI voice agents.

Core skills

Laravel, PHP, Livewire, Python, Django, REST API development, React, React Native, Expo, Flutter, TailwindCSS, MySQL, PostgreSQL, SQLite, Supabase, HubSpot CRM, n8n automation, VAPI AI, ElevenLabs, Twilio, AI/LLM integration, Claude Agent SDK, MCP servers, AI agents, Cloudflare, Git & GitHub.

Education

BS Computer Science, Central Philippine University (2021–2025). Vocational Degree in Computer Technology, Professional Electronics Institute, Inc. (2019–2021).

Projects

• OpenRole Observatory — A job-data reliability platform that preserves source evidence, tracks listing changes, and makes observation history visible.
• SecondTrip — Callback and rework analytics that turns service-job history into explainable repeat-visit signals for human review.
• Delphi — A self-hosted personal AI agent built on the Claude Agent SDK. Message it via Telegram or Discord for your own AI — with persistent memory, teachable skills, MCP connectors, and scheduled tasks.
• API Success Predictor — An end-to-end classification workflow that predicts API request success from request characteristics, with leakage-safe preprocessing, model comparison, and resilient raw-request inference.
• AI Model Usage Analyzer — A Python data pipeline that cleans, validates, and analyzes messy AI model API usage logs, flags IQR outliers, and exports analysis-ready results.
• GitHub User Explorer — A Python CLI that explores GitHub user profiles and stores reliable, duplicate-free search history with defensive file and network handling.
• A Year in Japanese — A twenty-four chapter book that teaches a complete beginner to read Japanese, one chapter per Japanese micro-season, with romaji that fades away as each character is learned.
• Portfolio Website — Personal portfolio website built with React + TailwindCSS.
• SwiftBidder — A real-time auction platform where bids update live across every connected browser.
• Overload Workout Tracker — A PWA for tracking science-based workout programs with progress analytics, a rest timer, and offline support.
• DevTrack API — A personal productivity API for developers to manage tasks, log learning sessions, and track progress on side projects.
• BridgeAI — An educational platform for personalized learning.
• Lettuce Watch — A real-time monitoring system for lettuce farms.
• HubSpot Pipeline Data Sync — HubSpot workflow integration syncing CRM data into the internal pipeline database, keeping sales records consistent without manual exports. Built at Callbox.
• Secure File Transfer & Sharing — n8n workflow automating secure Google Drive file transfers — provisioning dedicated folders and enforcing role-based sharing access for employees. Built at Callbox.

Contact

GitHub · LinkedIn