I build web products end to end, from Angular interfaces to NestJS APIs and PostgreSQL schemas. I led the migration of a legacy platform to a decoupled architecture with a 50% performance gain, and I teach what I learn about code and games on YouTube.
const nizzy: Developer = {
alias: "MrNizzy",
role: "Fullstack Developer @ WittyPlus",
location: "Colombia",
experience: "3+ years shipping production systems",
learning: "Godot, game dev on weekends",
passions: ["writing", "anime", "videogames"],
funFact: "I led a migration that cut load times by 50%.",
};|
Day job Building fullstack features at WittyPlus with Angular, NestJS and PostgreSQL. |
Side quest Learning Godot to turn game ideas into playable prototypes. |
On camera Sharing code, games, tech and growth on YouTube. |
Migrated 85% of the platform to Angular + NestJS, delivering a 50% performance gain and a 40% UI/UX improvement. Tuned VPS, Nginx and PM2 for reliable deployments. |
A weighted GPA calculator built with Angular reactive forms, designed around keyboard-first interactions for accessibility. |
A URL shortener running on the edge with Cloudflare Workers and D1, deployed and managed through Wrangler. |
A small platformer built with Python and Pygame, used as a playground for game logic, collisions and state machines. |
More projects
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Converts optimization problem inputs into MiniZinc-executable code. Built for the Complexity & Optimization course. |
A technical challenge built with Angular 16 and reactive forms, exploring the then-latest Angular features. |
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An interpreted toy language built on Scheme with DrRacket and SLLGEN. Supports arithmetic, conditionals, variables, loops and data structures, as an exploration of how programming languages work under the hood. |
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Have a project in mind, or want to talk Angular, NestJS or game dev? Email me at mr.nizzy@proton.me.
“First, solve the problem. Then, write the code.” John Johnson