I BUILD SOFTWARE.
I SOLVE PROBLEMS.
I LIKE FIGURING
THINGS OUT.

Full-stack developer with a passion for creating practical solutions, building production systems, and exploring what's possible.

> npm run explore
const mark = {
  build: [
    "web platforms",
    "production systems",
    "automation suites",
    "the next project",
  ],
}

mark.build.forEach(build);

// keep going...
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MJMDG logoMJMDG logoMJMDG
MJMDG
MJMDG Platform

Full-stack SSR web platform designed, built, and operated end to end — from database schema to production EC2 deployment.

Schulich School of Engineering — Geomatics
Stantec · Capstone
Pipeline Weld Failure Consequence Analysis

Automated pipeline failure impact estimation system covering data collection, integration, visualization, and cost analysis.

AWS DeepRacer League
University of Calgary
AWS DeepRacer

Reinforcement learning models for an autonomous race car — iterative model training and simulation on AWS.

Frontend
RE
React
RE
React Native
TY
TypeScript
JA
JavaScript
TA
TailwindCSS
HT
HTML / CSS
Backend
NO
Node.js
PY
Python
PO
PostgreSQL
PH
PHP
SQ
SQL
Tools & Cloud
AW
AWS EC2
NG
nginx
PM
PM2
GI
Git
PL
Playwright
AP
Appium
Other
JI
JIRA
XC
Xcode
AN
Android Studio
FM
FME
AR
ArcGIS
MA
MATLAB
2022
2023
2024
2026
NOW
Homewood Health
DevOps Analyst
Mar 2026 – Now
  • Full SDLC support via Agile/Kanban in JIRA
  • Backend testing + build deployment (bash, curl, scp)
  • Defect triage across system and UAT stages
Homewood Health
Jr. Mobile Developer
Mar 2024 – Mar 2026
  • React Native (TypeScript) — iOS and Android
  • 1000+ automated test cases (BAT + Smoke)
  • First-submission App Store + Play Store approvals
Stantec
Geomatics EIT
Jun 2023 – Mar 2024
  • Springbank Off-Stream Reservoir — QA, as-built, UAV
  • Urban land engineering across active communities
  • Out-of-town: wind farm, landfill survey, remediation
McElhanney
Jr. Crew Chief
May – Aug 2022
  • Managed field crew and survey operations
  • Post-processed data in Microsurvey CAD + TBC
Mark De Guzman
More than just a developer

I'm a builder, problem solver,
and lifelong learner.

I enjoy working with technology, finding efficient solutions, and building things that make a difference. Whether it's automating a process, developing a new feature, or exploring new tools — I'm always curious about what's next.

🔧Build
💡Solve
📖Learn
🧭Explore
Let's Connect

Have a project in mind?
Or just want to say hi?