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axelromero99/README.md

Axel René Romero Esquivel

Software Engineer · Co-Founder & CTO

axelromero.com · LinkedIn · Córdoba, Argentina · Remote (any timezone)

My first contact with programming was at 8, making retro games in ActionScript 2.0, and I've been doing it seriously since I was 15. Over the years I've worked across web & software development, game dev, data science and cybersecurity, with 8+ years building products in production.

Today I'm Co-Founder & CTO of Destap (a SaaS for venues) and work in Developer Security Operations at Codercraft. I like working close to the metal — from deterministic C compiled to WebAssembly to real-time P2P netcode.

Featured work

  • motumbo · ▶ play — Physics sumo game. The whole simulation is one deterministic C file compiled to WebAssembly (Box3D), with serverless lockstep multiplayer over WebRTC. ~340 KB, physics engine included.
  • n64-web · ▶ play — Nintendo 64 emulator in the browser: local up to 4 players, and online P2P over WebRTC (host streams video, guest sends input) on Cloudflare Workers + Durable Objects.
  • readmos — Open-source JS library that renders any public GitHub repo's README into your website via the GitHub API.

Tech

  • Languages — TypeScript · JavaScript · Python · C · Rust · PHP · SQL
  • Frontend — React · Next.js · Three.js · PySide6/Qt · HTML/CSS · jQuery
  • Backend — Node.js · NestJS · Express
  • Data & storage — MongoDB · Redis · Elasticsearch · SQL · SQLite
  • Cloud & DevOps — AWS (Lambda, Beanstalk, EC2, S3, Route 53) · Cloudflare (Workers, Durable Objects, Pages) · Hetzner · Linux · Caddy · Traefik · Nginx · PM2 · CI/CD (GitHub Actions)
  • Systems & real-time — WebAssembly (Emscripten) · WebRTC · Tauri · MediaPipe (computer vision) · deterministic simulation / lockstep netcode
  • Security — DevSecOps · hardening · pentesting · incident response · OWASP · NIST · ISO 27001 · PCI DSS
  • Practice & tooling — testing (pytest, Playwright) · Git · Agile · tech leadership · AI-assisted dev (GPT, Codex, Claude Code)
  • Also — Figma · Photoshop/Illustrator · WordPress/WooCommerce · Mercado Pago

English & Spanish (fluent) · Full portfolio at axelromero.com

Popular repositories Loading

  1. readmos readmos Public

    Show the README.md of any Github repository in your web.

    JavaScript 5 1

  2. riskofdev_prod riskofdev_prod Public

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  3. motumbo motumbo Public

    Physics sumo party game: deterministic C simulation compiled to WASM, serverless multiplayer over WebRTC lockstep. 20 arenas, map editor, bots.

    TypeScript 2

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    Forked from jwasham/coding-interview-university

    A complete computer science study plan to become a software engineer.

    1

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    Forked from emiliofurrer00/languag.io-back-end

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  6. technews-web technews-web Public

    Sitio Web con HTML, CSS y Javascript (Flexbox, CSS Grid y ScrollReveal) del tutorial de Fazt

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