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$30 USD / hour
Flag of UKRAINE
mykolaiv, ukraine
$30 USD / hour
It's currently 2:15 AM here
Joined October 22, 2021
1 Recommendation

Yevhen V.

@yevhenvzlom

4.7 (8 reviews)
4.0
4.0
$30 USD / hour
Flag of UKRAINE
mykolaiv, ukraine
$30 USD / hour
89%
Jobs Completed
89%
On Budget
89%
On Time
9%
Repeat Hire Rate

Full Stack Blockchain Developer

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.
Freelancer React.js Developers Ukraine

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Portfolio Items

Hello.



I am a Blockchain Developer who has rich experience with Staking and Farming Dapp development.



I already developed many blockchain projects.

You can check my staking dapp with this url.

https://bnb.cleverstaking.com



I can support you with your token.

Or I can create token for you and staking and LP staking.



Please discuss more details with me!

I am always online for you.



Best Regards!
Staking Daily ROI Project
Hello.



I am a Blockchain Developer who has rich experience with Staking and Farming Dapp development.



I already developed many blockchain projects.

You can check my staking dapp with this url.

https://bnb.cleverstaking.com



I can support you with your token.

Or I can create token for you and staking and LP staking.



Please discuss more details with me!

I am always online for you.



Best Regards!
Staking Daily ROI Project
Hello.



I am a Blockchain Developer who has rich experience with Staking and Farming Dapp development.



I already developed many blockchain projects.

You can check my staking dapp with this url.

https://bnb.cleverstaking.com



I can support you with your token.

Or I can create token for you and staking and LP staking.



Please discuss more details with me!

I am always online for you.



Best Regards!
Staking Daily ROI Project
Hello.



I am a Blockchain Developer who has rich experience with Staking and Farming Dapp development.



I already developed many blockchain projects.

You can check my staking dapp with this url.

https://bnb.cleverstaking.com



I can support you with your token.

Or I can create token for you and staking and LP staking.



Please discuss more details with me!

I am always online for you.



Best Regards!
Staking Daily ROI Project
This is NFT minting site.
This project used ERC721 for NFT smart contract.
I launched this project at Mar 5th 2022.
You can check website with this url.
https://metatars.club
MetaTars Club NFT minting Site
This is NFT minting site.
This project used ERC721 for NFT smart contract.
I launched this project at Mar 5th 2022.
You can check website with this url.
https://metatars.club
MetaTars Club NFT minting Site
This is NFT minting site.
This project used ERC721 for NFT smart contract.
I launched this project at Mar 5th 2022.
You can check website with this url.
https://metatars.club
MetaTars Club NFT minting Site
NFT
NFT
NFT
NFT
NFT
NFT
This is P2E Game Site that using Dearmonsters Reflection Token (DMS).
P2E NFT Game
This is Soview site of solana chain.
I developed this with Rust, React, Web3, MongoDB and NodeJS.
You can check site on this url: https://binarylobby.com
Solana-Solview
An inclusive system of shared economies that advances the crypto adoption to an unmatched level of financial liberation.
samkoin

Reviews

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Showing 1 - 5 out of 8 reviews
Filter reviews by: 5.0
$35.00 USD
A FANTASTIC experience with Yevhen. ??? I really satisfied to his work, the service was so fast and smooth. Thank you for the amazing support!
Amazon Web Services React.js Typescript Google Cloud Platform
+1 more
User Avatar
Flag of Oleksandr H. @oleksanderguru
4 months ago
1.8
$75.00 USD
Difficult to work with.
Node.js Ethereum Solidity Smart Contracts
J
Flag of Alon B. @jswift11
6 months ago
5.0
[SEALED]
He was excellent to work with. He is very attentive to details and his expertise was above and beyond in all instances. I will definitely contract with him again.
React.js Blockchain Solidity Smart Contracts Web3.js
User Avatar
Flag of Oleksandr S. @solonenkooleksa4
7 months ago
5.0
$50.00 CAD
Yevhen was very qualified and delivered quality work in an environment that was not always easy to deal with. Communication was easy and i recommend him highly.
PHP Website Design Android HTML Web Hosting
+3 more
P
Flag of Simon P. @Pastorsx
8 months ago
5.0
$50.00 USD
Excellent!!! Happy to work with him. Yevhen is a senior developer I've never seen before. He delivered the right result very quickly. I recommend him to all clients in this platform. And hope to work with him again. Thank you, Yevhen.
React.js Non-fungible Tokens (NFT) Solidity Smart Contracts Web3.js
User Avatar
Flag of Oleksandr H. @oleksanderguru
10 months ago

Experience

Blockchain Developer

4IRE
Feb 2017 - Sep 2021 (4 years, 7 months)
I worked as a Blockchain Developer in this company.

Web Developer

Exoft
Jul 2014 - Feb 2017 (2 years, 7 months)
I worked as a Full-Stack Web Developer in this Company.

Education

Master of Computer Science

National Technical University of Ukraine 'Igor Sikorsky Kyiv Polytechnic Institute', Ukraine 2011 - 2014
(3 years)

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Top Skills

React.js 4 PHP 1 JavaScript 1 Amazon Web Services 1 HTML 1

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