Colosseum

Marcelo Feitoza

@marcelofeitoza

Blockchain Engineer

São Paulo, Brazil

English, Portuguese

About

I am a

Software Engineer Backend Developer Frontend Developer Protocol Engineer Mobile Developer Systems Engineer

Interested in

DeFi Developer Infrastructure Consumer / Other

Skills

Anchor APIs / Backend Web C Cryptography DevOps Golang Rust Smart Contracts Typescript

About

Co-founder & protocol engineer at Cloak. Dedicate to making Solana programs smaller, faster, and provable — ZK on Solana, PoW-backed withdrawals, low-level SVM tuning. Built privacy infra during Colosseum Cypherpunk and IslandDAO. Rust-first, Solana-first, privacy-first.