douglassteffany

Senior Smart Contract Engineer

Experienced Smart Contract Engineer with over 9 years of expertise in developing and deploying decentralized applications (DApps) on Ethereum, TON, and Solana. Proficient in Solidity, funC, and Rust, with a focus on DeFi protocols, NFT marketplaces, and cross-chain interoperability. Specialized in writing secure, scalable, and optimized smart contracts, including upgradeable contracts and gas-efficient solutions. Adept at integrating smart contracts with frontend technologies and working across various blockchain networks such as Avalanche, Arbitrum, and Polygon. Strong knowledge of blockchain security best practices and a proven track record in delivering high-quality solutions for clients.




Experience: 5 years

Yearly salary: $60,000

Hourly rate: $40

Nationality: 🇺🇸 United States

Residency: 🇺🇸 United States

Experience:

Period Title Company
2018 - 2020 Web3 Engineer Peiko
2017 - 2018 Senior Frontend | Web3 Developer Intelex Technologies ULC
2015 - 2017 Web Developer Comcast Technology Solution
2020 - 2024 Smart Contract Engineer Infuy

Skills:

agile
angular
aws
cosmos
defi
erc-1155
erc-20
erc-721
ethereum
ethereumjs
evm
firebase
git
golang
graphql
hardhat
javascript
jira
mongo
nextjs
node
nosql
nuxtjs
postgres
python
react
react-native
rust
solidity
sql
typescript
vue
web3js
zk-evm
english