Yevhen Vezlomtsev

Starting from 2014 began proactively working on blockchain-related projects as a Blockchain Developer.

My experiences range from creating both front-end blockchain applications to backend architecture design and implementation, smart contract development, testing, auditing, and development for Fintech and other industries that need the power of decentralization, tokenization, and smart contracts.

Expertise in Public Blockchain Platforms:

Ethereum | Solana | Binance Smart Chain

✓ Developing smart contracts by Solidity and Rust programming languages.

✓ Developing RPC using client libraries such as Web3js.

✓ Static analysis of smart contracts for gas consumption and optimization using Remix IDE.

✓ Securing smart contracts using libraries like OpenZeppelin.

✓ Developing Ethereum dApps using Truffle framework.

✓ Integration with crypto wallets such as Metamask & Phantom.

✓ Deploying smart contracts on test networks such as ropsten/rinkeby as well as ethereum/solana mainnet.

Expertise in Private & Consortium Blockchain Platforms

Hyperledger Fabric

✓ Developing proof of concepts using Hyperledger Composer.

✓ Integration with Fabric Java SDK.

✓ Creating RESTful APIs for client applications to communicate with the blockchain network.

✓ Creating channels, orderers, and peers.

✓ Deployment and instantiation of Chaincode on channels on cloud services like IBM Bluemix and Amazon AWS.

I hold expertise with:

• Solidity / Rust

• React.js / Express.js / Vue.js / Next.js / Angular.js / Redux /Node.js

• Laravel

• MySQL / MongoDB / PostgreSQL / MSSQL

• Heroku / VPS / Amazon Web Services (AWS) / Digital Ocean

• Github, Gitlab, Bitbucket, Trello, Backlog, etc.

Here are the applications that I've built so far.

• Dapp, DeFi development

• NFT game/marketplace development on Ethereum & Solana blockchains in Solidity & Rust

• Ethereum & Binance Smart Chain token development on ERC20, ERC721, ERC1155, BEP20, BEP721 & BEP1155 protocols

• ICO / ITO / IDO / STO, Cryptocurrency exchange & Cryptocurrency wallet Development

Further Expertise & Work Deliverables in Blockchain:

✓ DApp for Supply Chain Management for Food Industry

✓ DApp implementation in Philanthropy

✓ DApp for Anti-Counterfeiting in the Pharmaceutical Industry

✓ Worked on Protocols like Ethereum, IBM Hyperledger, Stellar

✓ SetUp of a Permission-based Consortium Network

✓ Implementation of Private, Public and Permission-based network

If you are looking for a skilled and punctual developer, then hire me. I can assure you that your job will be done perfectly at the right time without making any mistakes. So if you feel interested, have faith in me and give me a chance to make your project successful.