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Blockchain JavaScript Non-fungible Tokens (NFT) PHP Software Architecture
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Аватарка пользователя
$50 USD / час
Флаг UKRAINE
odesa, ukraine
$50 USD / час
Сейчас здесь 3:39 AM
На сайте с апреля 2, 2020
4 Рекомендации

Serhii L.

@serhiilyskin

monthly-level-two.svgpreferred-freelancer-v2.svg
5,0 (18 отзывов(-а))
7,2
7,2
$50 USD / час
Флаг UKRAINE
odesa, ukraine
$50 USD / час
100 %
Завершенных работ
100 %
В рамках бюджета
89 %
Своевременно
13 %
Рейтинг повторного найма

Full-stack Developer

Serhii is a highly professional blockchain developer who's been operating in web3 space from 2015. With his solid leadership and unrivaled programming skills, he was a former employee of multiple fast growing crypto startups. He built and deployed many secure and gas optimized smart contracts to EVM networks as well as Solana. Treating projects like his baby, his can-do attitude combined with full-stack skillset brought notable success from ground up. Understanding the importance of clear communication on remote work, he communicates thoroughly and he contributed to BD stuff as well, as a team lead. His Skillset covers: - Full Stack Blockchain development * Utilizing NFT and fungible tokens and implementation of Minting/Selling * Being used to most of the standard protocols not only from Openzeppelin but also from Azuki(ERC721A), ERC721Psi and many more * DeFi - Lending, Staking, Yield Farming and more * Building X to Earn model - Play to Earn, Learn to Earn, Scan to Earn and more * Being master of hardhat/truffle, ganache and many more * Being a ninja to help the frontend team to build mobile optimized react pages with web3/ethers implementation - Full Stack Web development * MERN stack * LAMP stack - Windows application development As he is pretty fluent with other programming languages like java, c++ and c#, he can work on desktop applications as well. * Assistance software for ONLINE POKER players * Web automation utilities * Desktop Game launchers * Crypto currency miner ... Always open to discussion for any projects and any offers. Cheers!
Freelancer PHP Developers Ukraine

Свяжитесь с Serhii L. по поводу вашей работы

Авторизуйтесь для обсуждения любых деталей в чате.

Элементы портфолио

Includes Email Marketer (Bulk Mail Sender), Facebook Marketing (Facebook Auto Messenger), Leads Pool & Traffic Generator.
Marketing Helper Utility
An Auto-commentor for graphtreon.com
Web Automation
A comprehensive miner which supports 7 crypto currencies.
Cryptocurrency Miner
Launcher for a video game.
Game Launcher
I've analyzed anti-debugging / anti-cheat systems of popular video games, including CSGO, League Of Legend and Call Of Duty,
and figured out how they are working and what vulnerabilities they have.
Reverse engineering for popular video games
I've analyzed anti-debugging / anti-cheat systems of popular video games, including CSGO, League Of Legend and Call Of Duty,
and figured out how they are working and what vulnerabilities they have.
Reverse engineering for popular video games
I've analyzed anti-debugging / anti-cheat systems of popular video games, including CSGO, League Of Legend and Call Of Duty,
and figured out how they are working and what vulnerabilities they have.
Reverse engineering for popular video games

Отзывы

Изменения сохранены
Показаны с 1 по 5 из 18 отзывов
Фильтровать отзывы по: 5,0
€1 400,00 EUR
Serhii is a great professional, with exceptional communication skills, and really impressive technical expertise. Furthermore he is a very polite man, always willing to help, and with genuine passion for his job. Project delivered in no time, with final detailed report following. Highly recommended: you can't go wrong with him, believe me.
PHP JavaScript Software Architecture Blockchain
+ еще 1
Аватарка пользователя
Флаг Enrico B. @fucinedev
4 месяца назад
5,0
$11 472,00 USD
Great job! Serhii is very skilled and his work product was excellent.
C
Флаг Cole S. @cstern01
11 месяцев назад
5,0
€3 500,00 EUR
Good communication, good work, followed instructions thoroughly.
Java Android Kotlin ARCore
M
Флаг Maximilian B. @maxb82
1 год назад
5,0
$100,00 USD
Great freelancer! Will be doing future projects with again
Аватарка пользователя
Флаг Dj H. @DJCrypto1
1 год назад
4,2
$375,00 USD
Serhii is a very professional developer. I appreciate his effort and availability on chat. I would certainly work with him again on a future project.
Node.js MongoDB
O
Флаг Orrin M. @orrinmcc
1 год назад

Опыт работы

Smart Contract Developer

Chsr-Unisoft
апр. 2020 - февр. 2022 (1 год, 10 месяцев)
- Designed and Structured the NFT and DeFi protocols. - Rich experienced in ERC721A, ERC1155, and various EIPs - Deep experienced in Moralis and Thirdweb - Deep understanding of MakerDAO, Aave and more - Wallet integration using web3 and ethers - Designd and developed smart contracts for NFT and DeFi including upgradable ones.

Front-end Development

Binariks
июл. 2017 - апр. 2019 (1 год, 9 месяцев)
- Beautiful Web and Mobile Design - User Interactions Development - Accounting, Inventory and Product functions (some parts of LMS system)

Web&Mobile Design

Shakuro
февр. 2015 - мар. 2017 (2 года, 1 месяц)
- PST to HTML Design - UI/UX design and Landing page Design and the others. - Payment gateways Integration (Paypal, Square, Stripe, Crytpocurrency)

Образование

Bachelor

Kherson State Technical University, Ukraine 2008 - 2012
(4 года)

Свяжитесь с Serhii L. по поводу вашей работы

Авторизуйтесь для обсуждения любых деталей в чате.

Верификация

Предпочтительный фрилансер
Личность подтверждена
Метод оплаты верифицирован
Номер телефона верифицирован
Электронный адрес верифицирован
Связано с Facebook

Сертификаты

preferredfreelancer-1.png Preferred Freelancer Program SLA 1 97% us_eng_1.png US English 1 90%

Топ-навыки

PHP 9 Software Architecture 8 JavaScript 4 Blockchain 4 Non-fungible Tokens (NFT) 4

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