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$40 USD / hour
Flag of SERBIA
belgrade, serbia
$40 USD / hour
It's currently 7:14 AM here
Joined June 2, 2022
0 Recommendations

David J.


5.0 (4 reviews)
$40 USD / hour
Flag of SERBIA
belgrade, serbia
$40 USD / hour
Jobs Completed
On Budget
On Time
Repeat Hire Rate

Professional Blockchain, FullStack Expert

Blockchain projects, embedding projects, full stack projects. Expertised in solidity for ETH, BSC, FANTOM, POLYGON, AVALANCHE and rust for Solana, Cosmos. - Tokenomics of ERC20(DEFI, DEX, Rebase, Reflection, Safemoon, Inflection) - Solutions of ERC721/ERC1155(Minting, Marketing, P2E Games) - Usecase of web3(Tracking transaction, Arbitrage/Frontend BOT) - Creating private blockchain networks Highly skilled in Python, Node, PHP, React Js, React Native, Angular, VueJS, MySql, Mongodb, WordPress, WooCommerce, Mobile Application, Firebase, Laravel, UI/UX design (Web + Mobile Apps), HTML5, CSS3, Bootstrap 4, Jquery, Ajax, etc - 5 years of C/C++, Linux Kernel and driver. - Perfect firmware. - Simple design with high performance. Why award me? - 100% clean code. - Supports all browsers. - Supports all devices, such as - Android, iPhone, iPad, laptop, desktop. - 100% pixel perfect. - Over 5+ years of experience - 100% client satisfaction. - Excellent customer and technical support. - Time frame maintain 100% I Will do my best to lead your project to success. The best quality, fastest pace, most accurate timeline and courtesy after service are guaranteed to clients.
Freelancer PHP Developers Serbia

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Web3 can provide us various utility.
Web3 Auth!
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Successful DeFI
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Showing 1 - 4 out of 4 reviews
Filter reviews by: 5.0
$240.00 USD
Never better than this. Perfect! I will hire him again!
Blockchain Ethereum Solidity Smart Contracts
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Flag of Oleh S. @olehsvirskyi
2 days ago
$25.00 USD
Thank you for your work.
C Programming Algorithm Software Architecture CUDA C++ Programming
Flag of Dem T. @freelancesmartbo
4 months ago
$50.00 USD
great work hope to work with you again. thank you. A+++++++++++++++
PHP Golang Blockchain Ethereum Smart Contracts
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Flag of Wasala Arachchige Lahiru B. @lahirussandaruw2
4 months ago
$85.00 USD
Great work. Delivered on time. A+++++++++
PHP Website Design Software Architecture MySQL HTML
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Flag of Wasala Arachchige Lahiru B. @lahirussandaruw2
4 months ago

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Top Skills

PHP 2 Software Architecture 2 Blockchain 2 Smart Contracts 2 C Programming 1

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