Hi, I'm Mark
Software Engineer specializing in AI Systems, Backend APIs, and Workflow Automation.
Building dependable data pipelines, full-stack applications, and automated business workflows. Bridging practical software development with operational reliability.
MJO

About

Computer Science graduate with practical experience spanning software engineering, automated workflow architecture, and enterprise technical operations. Combines solid engineering fundamentals in object-oriented programming, relational schema design, and backend API integration with diagnostic discipline and strict SLA compliance. Experienced in translating complex requirements into reliable data pipelines, full-stack applications, and automated systems across cross-functional teams.

Work Experience

Execute pairwise RLHF evaluations and adversarial benchmarking on frontier multimodal and real-time speech-to-speech models. Audit conversational dynamics, instruction fidelity, tool-call leakage, and latency boundaries to inform reward modeling.

Participated in Agile sprint planning and feature implementation. Diagnosed and resolved frontend and API integration defects, wrote unit and regression test routines, and created structured documentation for software release cycles.

Delivered frontline enterprise support under strict SLA resolution targets. Executed identity verification SOPs to protect sensitive policyholder records, maintained accurate CRM ticket documentation, and handled systematic incident triage.

Technical Expertise & Tooling

Spanning software development, automated workflows, and enterprise systems infrastructure.

Software Engineering & Full-Stack

Languages

Python
JavaScript
TypeScript
C#
Java
PHP
SQL

Frameworks & Libraries

FastAPI
React
Next.js
Vite
.NET (WPF)
Spring Boot
CodeIgniter
TailwindCSS

Databases & Data

PostgreSQL
MySQL
SQLite
Supabase
Relational Schema Design

Automations, APIs & QA

AI & Automation

RLHF / RLAIF Evaluation
Model Benchmarking
LLM Prompt Engineering
LLM APIs (Gemini/Claude/OpenAI)
n8n
Webhooks
RESTful APIs
Apify

Testing & QA

Postman (API Schemas)
Playwright (E2E)
Adversarial Testing
Automated Regression Testing
Edge-Case Analysis
Defect Triage

Tooling & CI/CD

Git
GitHub Actions
Docker
Linux CLI

Enterprise Systems & Infrastructure

Systems & Access

Active Directory (User Provisioning & RBAC)
Windows 10/11
Azure Fundamentals

Networking & CLI

TCP/IP
DNS
DHCP
VPNs
Diagnostics (ping, traceroute, nslookup, ipconfig)

Service Management

ITIL® 4 Framework
SLA Compliance
Incident & Service Request Lifecycle
Technical SOP Documentation
My Projects

Check out my latest work

Production-ready systems, full-stack applications, and automated workflows, followed by creative technical explorations.

TrueScope — Multi-Source Bias-Aware Claim Verification

Architected an end-to-end multi-source claim verification system and browser extension leveraging transformer-based NLP and NLI classification models. Features automated tool calling, bias detection, and structured prompt evaluation guardrails.

Accolade: Selected Presenter at CvSU Research Symposium & 3rd Place Best Presenter. Published systematic literature review.

Python
PyTorch
Transformers (BERT/RoBERTa)
FastAPI
PostgreSQL
Vite
Chrome Extension API

Autonomous AI Job Hunter

An automated, dual-persona job recruitment pipeline built with n8n. Scrapes live job boards daily, analyzes postings against multiple resumes simultaneously using Google Gemini AI, and automatically categorizes them into a tracking database with custom rate-limit handling.

n8n
Apify
Google Gemini API
Webhooks
Docker
Automated Scraping

Inday Room Rental Management

A full-stack property management web application for landlords to administer room availability, track tenant leases, and automate dynamic utility and rent invoicing with payment proof verification.

Next.js
React
TypeScript
Java (Spring Boot)
MySQL
TailwindCSS

SmartPoultry IoT & Management System

Engineered an automated poultry management platform connecting IoT sensor nodes with a central web dashboard. Built real-time monitoring graphs, automated environmental alerting, and structured MySQL inventory management.

Note: Commercially deployed and delivered to client.

C#
.NET Framework
WPF
SQLite/MySQL

Document Management System (DMS)

Architected a secure web-based document management platform for organizing, archiving, and retrieving digital records. Built role-based access control (RBAC), automated document tracking, and optimized SQL search queries.

CodeIgniter (PHP)
MySQL
Role-Based Access Control (RBAC)
RESTful APIs

Explorations & Interactive Builds

Game development experiments, algorithmic tools, and creative side projects.

Type Wizard: Tower Defense

Engineered an interactive typing-mechanic tower defense game. Built custom word-matching input systems, enemy pathfinding AI, wave progression controllers, and projectile combat interactions utilizing object-oriented programming patterns.

Godot
GDScript
OOP Architecture
Game Physics & AI
State Machines

Echo: Soul Saver

Engineered a 2D rogue-like action-platformer featuring dynamic form-shifting mechanics between ghost and human states. Implemented life-draining transformation balance logic, monster combat AI, soul-gathering mechanics, and floor ascension progression.

Godot
GDScript
2D Pixel Art & Animation
Game Physics & Mechanics
Rogue-like Systems

Vectraze — Image to Pixel Art Rasterizer

Developed a Windows desktop application that converts standard images into customizable pixel art. Implemented dynamic canvas resizing, rasterization algorithms, a direct pixel-editing toolkit, background isolation, and image filter effects.

C#
.NET
WPF
Image Processing Algorithms

Interactive DFA Visualizer & Simulator

Built an interactive web simulator for Deterministic Finite Automata (DFA). Features a dynamic node-and-edge canvas editor, state machine configuration, self-loop transitions, and step-by-step input string execution.

React
React Flow
JavaScript
Automata Theory
CSS3
Honors & Milestones

Milestones & Recognition

Research publications, symposium presentations, and production software deliveries throughout my technical journey.

2020

Graduated Senior High School with Honors

Philippine Christian University - Dasmariñas Campus

Completed senior high school with academic honors and a strong foundation in STEM, preparing me for advanced work in computer science and applied technology.

2026

CvSU Silang Research Colloquium — 3rd Place Best Presenter

Cavite State University - Silang Campus

Selected to present undergraduate thesis research on transformer-based multi-source claim verification and awarded 3rd Place for Best Presenter among graduating technical cohorts.

2026

Selected Presenter — CvSU Main University-Wide Research Symposium

Cavite State University - Main Campus (Indang)

Represented the Department of Computer Studies at the university-wide research symposium to present 'TrueScope: Multi-Source Bias-Aware Claim Verification Algorithm'.

2025

Published Systematic Literature Review on NLP Discourse Analysis

Academic Publication

Authored and published a comprehensive systematic literature review examining natural language processing techniques, semantic similarity models, and transformer architectures across digital discourse datasets.

2024

Commercial Deployment — SmartPoultry Web & IoT Platform

Cavite, Philippines

Successfully engineered, tested, and delivered a production-ready web management and IoT environmental tracking platform directly to a commercial agricultural client.

Contact

Get in Touch

Want to connect or discuss an opportunity? Send me an email directly or reach out on LinkedIn. I will respond as soon as I can.

GitHub
LinkedIn