Javier Rojas
Software Engineer
Summary
🤩
RockstarJavier Rojas is a software engineer with nine years of experience specializing in blockchain and decentralization technologies. He has hands-on expertise building web3 interactions, notably contributing an async/await modernization and promise-based refactor to the well-known "Mastering Ethereum" repository's web3 examples. Javier combines full-stack development skills with practical smart contract integration, preparing environments and argument parsing to streamline developer workflows. Based in Mexico, he brings a pragmatic approach to making blockchain tools more accessible and reliable. Notably, his open-source work focuses on improving developer ergonomics for contract interaction rather than just protocol design.
9 years of coding experience
Github Skills (10)
javascript10
web3js10
ethereum10
blockchain10
async-await9
smart-contracts9
solidity8
infura7
command-line-arguments7
api6
Programming languages (8)
Github contributions (5)
ethereumbook/ethereumbook
Jan 2018 - Sep 2018
Mastering Ethereum, by Andreas M. Antonopoulos, Gavin Wood
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:203 commits, 101 PRs, 94 pushes in 8 months
Contributions summary:Javier primarily contributed to the project by working on web3 contract basic interactions, with a focus on web3.js. The user prepared the environment, added arguments parsing, and managed promise-based interactions. They also adapted more interactions to promises and created an async/await version of basic interactions.
web3jsoreillydappethereumandreas
ethereumbook/beigepaper
Apr 2018 - Aug 2018
Rewrite of the Yellowpaper in non-Yellowpaper syntax.
Contributions:2 commits, 1 PR, 1 push in 3 months
rewrite
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.