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Miguel Esteves

Full-Stack Software Engineer | Systems & Security | Trilingual (EN/ES/IT)

Full-stack engineer who builds end-to-end — from a custom programming language and interpreter to deployed web apps. Background in application security (OWASP, PortSwigger, bug bounty) that I bring to every codebase as a built-in advantage, not an afterthought. Fluent across the Golang, JavaScript/TypeScript, and Python stacks. Trilingual and remote-native, comfortable owning features independently across time zones.


Projects

Achlys/Achlys-OS - My own programming language and OS kernel
Hacklingo - Free Gamified Cybersecurity Platform
AES/GCM Encryption/Decryption Server written in Go
Concurrent Port Scanner written in Go
Secure API written in Go
HTTP Server made from scratch with JSON Content-Type handling


Articles

https://dev.to/variosity/i-found-a-silent-data-bug-that-returned-the-wrong-analytics-307h