Devion Villegas
Senior Software Engineer and founder of AppZero Labs, an independent mobile app studio. Shipping web, mobile, data and AI systems since 2016.

About
I'm a senior software engineer in Dallas–Fort Worth and the founder of AppZero Labs.
For ten years I've shipped whole systems: web apps, mobile apps, data pipelines, edge infrastructure, and lately the AI harnesses that let a small team move like a big one.
I'm more of a builder than a marketer. What I'm best at is taking an idea all the way to production.
Off the clock: trading card games, RTS games, on-device ML, tools that build tools, and synths.
How I work
Ship the whole thing. I'd rather hand over the product, the pipeline, the deploy and the docs than a prototype someone else has to finish.
Show the evidence. Tests, screenshots and replays against real data. I don't call something done until one of them says so.
Automate the repeat work. Agents and automation take the parts that should be identical every time, so people spend their judgment where it's needed.
Experience
Founder, AppZero Labs
2025 – Present · Dallas–Fort Worth
- Independent mobile app studio turning emerging tech into useful apps.
- First release: TCGComps, card prices by the SKU, coming to iPhone.
Mobile Software Engineer, SRS Building Products
May 2026 – Present
- Leading a team that builds AI engineering harnesses: agent instructions, skills, MCP tooling and verification gates.
- Shipping enterprise apps in weeks, not quarters.
Software Engineer, Brinker International
Dec 2025 – Apr 2026
- Worked on the Chili's digital guest experience platform serving 1,600+ restaurants.
Senior Software Engineer, Carde.io
Aug 2023 – Nov 2025
- Lead engineer on a multi-tenant organized-play platform for trading card brands including Disney Lorcana and Magic: The Gathering.
- Delivered a contract scoped for five engineers largely solo.
- Built a Cloudflare Workers edge layer that cut backend requests from 5M to 700K during a tournament week.
Senior Software Developer, Yes.Fit
Aug 2020 – Aug 2023
- Rebuilt the React Native fitness app (~50k MAU) and built the Next.js store.
Full Stack Engineer, NextGen Code Company
Jun 2018 – Jul 2020 · Lubbock, TX
- Agency engineering for 20+ clients across web, mobile and cloud.
Web Developer, Texas Tech University Rec Sports
Oct 2016 – Jun 2018 · Lubbock, TX
- Rebuilt the rec center website with ease of administration in mind. My first production site.
Projects
- TCGComps (2026, AppZero Labs · iOS + API). Card prices, by the SKU. Scan cards, check real sold comps, keep your collection in one place. tcgcomps.dev
- Facetra (2026, Desktop app · Design tooling). A local-first design editor built for collaboration between people, codebases and software agents. diamond-plugins on GitHub
- LuxDesign AI (2026, SaaS · Generative imaging). Listing photos perfected in seconds: AI virtual staging and photo enhancement for real estate.
- TCG Portal (2025, Shopify app · Store OS). The operating system for trading card stores: catalog, pricing and orders in one dashboard.
- Organized Play (2023–25, Carde.io · Platform). Tournament and event infrastructure for trading card brands.
- TCGBlade.gg (2025, Engine · Tournaments). A tournament engine for trading card events.
Writing
- How I ship with AI. How coding agents, Context7, Exa and a stubborn amount of verification let me lead a team that ships enterprise apps in weeks, and build TCGComps on the side.
Elsewhere
- GitHub: github.com/d3vhound
- LinkedIn: Devion Villegas
- Studio: AppZero Labs