VitalR

Smart Contract Developer

SUMMARY OF QUALIFICATIONS:
  • 7 years of experience as Software Test Engineer mostly in financial domain 
  • 2 years of experience as Solidity Smart Contract Developer 
  • Knowledge of Blockchain technology, Ethereum blockchain, various consensus protocols and cryptocurrencies 
  • Proficient in developing smart contracts with Solidity on EVM compatible blockchains, sidechains 
  • Building and testing applications with Hardhat, Truffle and Foundry 
  • Experience in building DApps using HTML, JavaScript and Node.js and interact with 
  • Ethereum blockchain by using Ether.js and MetaMask, Chainlink integration 
  • Ability to write full coverage test suite using JavaScript, Mocha, Chai, Solidity tests using Forge-Std 
  • Proficient with ERC20, ERC721, ERC1155 token standards and common EIPs 
  • Experience with moving smart contracts from Ethereum to other low gas fee blockchains 
  • Knowledge of design patterns and mechanics used in DeFi and NFT protocols 
  • Experience with implementation gas optimization patterns, ECDSA Signature and Merkle tree 
  • Knowledge of secure Solidity development patterns and auditing tools 
  • Experienced working in an Agile development and SDLC environment 
  • Understanding of traditional financial models, and crypto token economy 
  • Possess excellent communication skills, work ethics and ability to work well in a team or individual environment 

Stack: Solidity, Hardhat, EtherJS, JavaScript, Mocha, Ethereum, Polygon, Fantom, BNB Chain, Chainlink, Foundry, Alchemy, Infura, MetaMask, OpenZeppelin, Solmate, Remix, Slither, Bash, GitHub

Core contracts architectures: airdrops, token-sale, marketplaces, nft-game, launchpad, vesting, fractional-nft, liquidity-pools, vaults 

EDUCATION & CERTIFICATIONS: 
Ethereum Smart Contract Programming Certified - Moralis
Agile Certified - ICAgile
Degree in Mathematics and World Economics

Experience: 2 years

Yearly salary: $60,000

Hourly rate: $30

Nationality: 🇺🇦 Ukraine

Residency: 🇺🇦 Ukraine

Skills:

blockchain
ethereum
evm
nft
node
smart-contract
solidity
english