Justin Tormey
Co-Founder at castmagic
Austin, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolJustin Tormey is a Co-Founder and hands-on software engineer with 10 years of experience, currently scaling Castmagic.io from Austin. As founder of 93software and a former senior engineer at Blockchain, he blends product-first entrepreneurship with deep full-stack and backend expertise—particularly in blockchain wallet APIs and client-side recovery flows, contributing transaction signing, mnemonic restore, and API refactors used around the Blockchain.com ecosystem. He has a track record of shipping pragmatic SaaS and crisis-driven products, including Inflow Lending for PPP relief and platform work at Upside Financing. Justin skipped the traditional college route (UnCollege) and favors learning-by-doing, which fuels rapid prototyping and customer-focused execution. Whether leading platform engineering or contributing open-source wallet improvements, he emphasizes robust error handling, secure transaction flows, and developer-friendly APIs.
11 years of coding experience
7 years of employment as a software developer
UnCollege
English, French
Stackoverflow
86reputation
8kreached
2answers
0questions
Github Skills (18)
api-doc10
crypto-wallet10
wallet10
javascript10
node-js10
bitcoin-wallet10
bitcoin10
bitcoins10
javascripts10
api10
ethereum10
blockchain10
ethereum-wallet10
api-design9
rest-api8
Programming languages (15)
Github contributions (5)
blockchain/service-my-wallet-v3
Nov 2015 - Oct 2018
Blockchain Wallet API Service
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 releases, 176 commits, 51 PRs in 2 years 10 months
Contributions summary:Justin primarily worked on enhancing the Blockchain Wallet API Service, focusing on server-side improvements. Their contributions included adding features like binding the service to a specific IP address, improving error handling, and modifying the wallet login process. The user also made code changes to build and sign transactions, and introduced new endpoints.
apiblockchain-walletbitcoinrpcblockchainwallet
blockchain/My-Wallet-V3
Sep 2015 - Dec 2017
Blockchain Web Wallet Library - https://support.blockchain.com
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:67 releases, 177 commits, 202 PRs in 2 years 3 months
Contributions summary:Justin primarily worked on the front-end and back-end aspects of the Blockchain Web Wallet Library. Their contributions include fixing typos, catching transaction building errors, and adding a function for restoring a wallet from a mnemonic. They also exposed the fee in the payment object, added missing breaks, and refactored the API to use fetch rather than hyperquest. Finally, they worked on excluding watch-only addresses from legacy balance and also implemented features related to sync wallet recovery.
web-walletwallet-libraryethereumjavascriptunit-tested
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