olehh

Achievements

- Launched multiple ERC20 tokens, NFTs for big web 2 companies
- Developed a fault tolerant transaction relayer(no transactions dropped since launch 1 year ago)
- Developed and deployed staking and vesting smart contracts
- Developed a smart contract wallet and infrastructure around it(event indexing, notifications, transaction relaying, private key management and recovery, etc)
- Developed an MPC threshold ECDSA wallet and infrastructure around it

Skills

Blockchain: Solidity, Typescript, Hardhat, ethers.js, Waffle, Typechain, Foundry, Truffle, web3.js

Deployments: Ethereum, ZkSync, Binance Smart Chain, Polygon, Harmony

Domain knowledge:

• ERC-20, NFT (ERC-721, ERC-1155)
• MPC(Multi Party Computation)
• Proxy contracts, deploying, upgrading, storage management
• DEX, AMM, tokenomics, Uniswap, Sushiswap staking, Flash loans
• Cryptography (private public key, hashing, signing, merkle proofs)
• Security (reentrancy, flash loan attacks, frontrunning, replay attacks etc)

Blockchain related: Alchemy, Moralis, Infura, The Graph, Covalent

Frontend: Typescript, Javascript, React, Vue, Svelte

Backend: Node (express.js, trpc), Python (Django)

Familiar with: Rust, Go, C++, machine learning

Tools: Git, GitHub, GitLab, Jira, CI/CD