williamc682
Blockchain/Backend Engineer
A Senior Blockchain/Backend Engineer with 6+ years of professional experience in IT industry. What makes me apart is a passion behind innovative decentralized solutions. Specializing in smart contract development, blockchain architecture, cross-chain interoperability (Ethereum, Binance, Solana, Polygon, Graph, Cosmos) and backend focused development (Rust, Golang, Node, python). Proven ability to identify and solve complex technical issues and deliver robust and high-performance applications.
Experience: 5 years
Yearly salary: $70,000
Hourly rate: $60
Nationality: 🇨🇦 Canada
Residency: 🇨🇦 Canada
Experience
Blockchain Developer
Chainyard 2019 - 2021
Created and worked on different NFT protocols that include ERC-721, ERC-1155, ERC-20, and similarly with Binance Bep Protocols such as BEP-721, BEP-1155, BEP-20. Developed and deployed smart contracts on Ethereum blockchain using Solidity programming language resulting in a 20% reduction in transaction fees for a DApp project. Resolved dependency problems in customizing the governance module of Cosmos SDK into the votes escrowed governance. Worked on EVM compatible blockchains with multiple projects on Polygon, Eth, Binance and Solana. Designed and implemented an automated testing framework for smart contracts using Truffle suite. Participated in several architectural review meetings and code reviews to ensure code quality. Developed 3 decentralized social media web applications using React, Bootstrap and web3.js/Ethers for integrating Ethereum.
Full Stack Developer
Tribalscale 2018 - 2019
Developed and maintained the company's e-learning platform using React, resulting in a 25% increase in user engagement and a 10% decrease in support tickets. Integrated third-party APIs such as Google Maps and social media platforms for enhanced user experience. Implemented a new analytics tool to track user behavior and optimize the website's performance, resulting in a 30% reduction in page load times. Collaborated with the UX design team to create a responsive and visually appealing user interface, resulting in a 20% decrease in bounce rates.
Skills
cosmos
ethereum
golang
graphql
integration
node
python
rust
smart-contract
solidity
english