~$ whoami

Hi, I'm Justin.

Full-Stack Developer

I design and build AI-powered automation systems, full-stack web apps, and the self-hosted infrastructure that runs them — from Figma mockups to production deploys. Currently focused on Momenta OS, an AI OS harness that syncs client context and brand voice across a whole team's ChatGPT instances.

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justin@homelab: ~

~$ whoami --location

justin · houston, tx · uh cs '27

~$ cat stack.txt

typescript · react · node · python

docker · proxmox · linux · nginx

~$ systemctl status portfolio

● active (running) — self-hosted

~$ ./deploy.sh --agents

✓ ai automations online

~$ ping papatenko.org

64 bytes: the art side is alive ✓

~$ whoami --photo

about

From marketing automation to bare metal

I'm a developer in Houston, Texas who likes owning the whole stack — from AI agents that draft a client's LinkedIn strategy, down to the Proxmox host they're deployed on. Currently I'm the engineer behind Momenta OS at Momenta — an AI OS harness that syncs the whole team's ChatGPT instances to one shared vault of client context, brand voice, and institutional memory.

Before and alongside that: full-stack web apps in React and TypeScript, real-time multiplayer systems, and a self-hosted infrastructure practice that treats my homelab like production — documented runbooks, tested backups, and all.

The creative half of my brain lives at papatenko.org — video editing for YouTube creators and businesses, thumbnails, logos, and poster design. Same person, louder colors.

~$ fortune
My entire portfolio, photo backups, and cloud storage run on a Proxmox homelab in my house — "I don't know what I'm doing, but I'm doing it."

4+
years building: 6
featured projects: 29+
technologies: 24/7
homelab uptime goal

experience

Where I've been

2025 — Present

AI Automation Engineer @ Momenta

Building Momenta OS, an AI OS harness synced across the team's ChatGPT instances via a shared project/agent config. Designed the knowledge vault (client context, brand voice docs, content rules, feedback logs) that acts as the single source of truth, plus the draft → score → revise → approve workflow and governed feedback-update process behind consistent multi-client LinkedIn content.
- ChatGPT Agents
- Knowledge Vault
- Prompt Systems
- Workflow Design
- AI Automations
Dec 2022 — Feb 2025

Senior Front-End Engineer (Contract) @ Incarnate Editors

Redesigned the mobile UI with TailwindCSS, driving a 20% increase in mobile traffic. Architected a 40+ node user-flow diagram to streamline navigation, and programmed a full-stack data-modeling application with React, Firebase, and Electron visualizing 100+ data entries.
- React
- TailwindCSS
- Firebase
- Electron
- Figma
May 2022 — May 2025

President @ Lone Star College CyFair — Computer Science Club

Led a 275+ member organization, growing membership 20% through targeted recruitment. Hosted Git, web-development, and computer-engineering workshops for 50+ students, and coordinated 4 inter-club competitions plus 3+ hackathon and VEX robotics runs.
- Leadership
- Git
- Web Development
- Workshops
2025 — Present

B.S. Computer Science — Expected May 2027 @ University of Houston

Cumulative GPA 3.5/4.0. Coursework in machine learning, database systems, and algorithms. Hackathon builds include an AI schematic-parsing chatbot (React + Rust + Gemini) shipped in 24 hours.
- Machine Learning
- Databases
- Algorithms
- Python
- Java

projects

Featured work

Momenta OS

AI OS harness that syncs across the whole team's ChatGPT instances via a shared project/agent config — a knowledge vault of client context, brand voice docs, content rules, and feedback logs becomes the single source of truth every assistant loads from.

→ One shared AI brain: consistent brand voice and client context for every teammate.

ChatGPT Agents
Knowledge Vault
Prompt Systems
Workflow Design
Feedback Loops

Shako Kabob — Foodtruck POS

★ 0

Full-stack point-of-sale and ordering platform for a food truck: employee management, inventory tracking, and sales across 18+ SQL tables, with automated Docker deployments on Coolify.

→ Cut build times 50% via Docker layer caching; led a team of 4 to production.

React
Vite
Node.js
MySQL
Docker
GitHub Actions
Turborepo

Rock Paper Scissors Tournament

★ 2

Real-time competitive rock-paper-scissors tournament platform with a retro arcade theme — designed in Figma (20+ frames), built with React, TypeScript, and Socket.IO, run live on campus.

→ 95+ Google Lighthouse score; hosted live tournaments with real-time brackets.

TypeScript
React
Socket.IO
TailwindCSS
Figma

Proxmox Homelab

★ 0

VLAN-segmented home infrastructure on Proxmox: ZFS NAS with RAID and automated snapshots, Nextcloud, Immich, and an NGINX reverse proxy with SSL/TLS + Cloudflare serving 8+ websites.

→ Securely self-hosts 8+ public sites and services for a fraction of SaaS cost.

Proxmox
ZFS
VLANs
Docker
Nginx
Cloudflare
Backrest

Schematic Spelunker

NotebookLM-style AI chatbot that parses machinery schematics — React frontend, Rust parsing engine, and Gemini API — built in 24 hours leading a team of 4.

→ Under 30s processing for 15+ concurrent PDF documents.

React
Rust
Gemini API
RAG
Document Parsing

Portfolio Platform

★ 0

Self-hosted gallery of 50+ graphics and websites, parsed from JSON into a React frontend and deployed as an HTTPS SaaS on my own Linux servers with a GitHub Actions CI/CD pipeline.

→ 99% uptime, fully self-hosted end to end.

React
CI/CD
GitHub Actions
Linux
Nginx

open-source

On GitHub

devaine/RPS-Tournament Core contributor — real-time tournament logic and retro UI.
papatenko/dotfiles Lua-based Neovim + shell configuration, kept in sync across machines.
papatenko/point-of-sale-system Foodtruck POS — MySQL, Node, React, Turborepo monorepo.
papatenko/my-odin-projects Vanilla web-dev fundamentals — The Odin Project curriculum.