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Oxtxx
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21
Finished gigs
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Website
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Country
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Specialization
Smart Contract Development
Hourly rate
$77/hr
Preferred payment options
ETH
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About me
Solidity developer with 3 years of experience in smart contract development and auditing for Ethereum and EVM-compatible networks. Skilled in writing secure and efficient code. Expertise in Solidity, TypeScript, and JavaScript. Able to deliver high-quality smart contract solutions.

Work experience

ABC Labs
August 2021 – Current time
Job title
Solidity Core Developer
Work experience & achievements

• Engaged in defining dApps architecture, and successfully navigated the project to phase 1. • Heavily involved in writing and testing smart contracts: DeFi (pools, bridges, wallets, e.g.). • Nuanced experience with gas optimization. • Implemented unit testing and mocking of smart contract logic or activities and provide results/reports to QA engineer. • Conducted internal auditing of DeFi protocols and smart contracts using tools like Slither, Echidna, and manual testing. • Researched updates and security issues appearing with different EIPs and their implementations, like double spending problems, re-entrant code, and similar, and suggested possible remediations. • Developed integrations and bridges across DeFi protocols, e.g., Uniswap, Curve, Yearn, Compound, Aave, Chainlink.

Patronuz
March 2020 – July 2021
Job title
Smart Contract Developer
Work experience & achievements

• Executed customized smart contracts - ERC20, ERC721, ERC1155, BEP20, BEP721. • Secured smart contracts using OpenZeppelin libraries; CEI patterns; SWC Registry. • Conducted integration with Ethereum service providers such as Etherscan, Alchemy, The Graph. • DeFi: worked on DeFi solutions - staking, farming, swaps. • NFT: experienced in building NFT marketplace (web3 part) and NFT Minting/Staking contracts.

Education

Al-Farabi Kazakh National University
Graduation year: 2016
Level of study
Bachelor
Major / Field of study
Law