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João Dias
João Dias
@jaonoctus
"Cypherpunks Write Code."
Born in Rio de Janeiro, Brasil Brasil
Status: I'm probably debugging something
 
About me

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Hi. I'm João. I write code for money and also for free.
Currently at ZBD building Bitcoin & Lightning payment
infrastructure, and Developer Advocate at Vinteum.

Been breaking and fixing things in the crypto space since I was
a kid, back when "web3" wasn't a marketing buzzword and we
actually cared about decentralization. And sometimes I remember
to touch grass.
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cypherpunk
Interests
General: Freedom tech · sovereignty · open protocols · coffee · travel · code at night · drone · skateboard · solving puzzles · gaming (Rocket League, Counter-Strike, Rust).
Song: FitGirl_repack_tune.mp3
Projects
Project What it does
BitCalc A Bitcoin price calculator that doesn't require 40 APIs and an ML model to tell you what 1 BTC costs.
Bitcoin Snapshots Assume UTXO + folder snapshots for every Bitcoin network. Sync faster than a Kessel Run in less than twelve parsecs.
Lightning Receipt Because "trust me bro" isn't a valid cryptographic proof, despite what your favorite influencer says.
NIP06 Nostr key derivation from a mnemonic seed phrase. One more standard never hurt anyone… right?
Secp256k1 NUMS generator Cryptographically secure unspendable public keys. It's math, deal with it.
$ git log --author="jaonoctus"
Role Company Dates Stack
Backend Engineer ZBD May 2024 – Present C#, Node.js, Bitcoin, Lightning
Developer Advocate VinteUm Present Bitcoin education
CEO NOCTUS LTDA 2014 – Present Boss and only employee who shows up to meetings.
Technical Lead Comet Cash Jul 2023 – Apr 2024 LDK, LND, React Native, Node.js, C#
Software Engineer Kraken Jul 2021 – Nov 2022 Blockchain, Git, Bash
Open Source Dev BlueWallet Apr 2021 – Sep 2021 React Native, Lightning, JS, Bitcoin
Full Stack Engineer Manycontent Apr 2018 – Apr 2021 Vue, Node, Firebase, TS, Jest
Full Stack Engineer Crowdster Jan 2020 – Feb 2021 Vue, K8s, AdonisJs, Canvas, PG, React, Docker
Full Stack Engineer App2Sales Mar 2017 – Jan 2018 CSS, Laravel, Vue, MySQL, JS, PHP, HTML (when I thought PHP was a good idea)
"Tenho medo de falar que faço programa e as pessoas pensarem que entendo de computação."