Freelancer logo How It Works Browse Jobs Log In Sign Up Post a Project Profile cover photoundefined
You're now following .
Error following user.
This user does not allow users to follow them.
You are already following this user.
Your membership plan only allows 0 follows. Upgrade here.
Successfully unfollowed user.
Error unfollowing user.
You have successfully recommended
Error recommending user.
Something went wrong. Please refresh the page and try again.
Email successfully verified.
User Avatar
$20 USD / hour
Flag of UKRAINE
pokrovs'ke, ukraine
$20 USD / hour
It's currently 9:24 AM here
Joined September 28, 2022
0 Recommendations

Yevgen Y.

@yefimovyevgen

5.0 (13 reviews)
2.4
2.4
$20 USD / hour
Flag of UKRAINE
pokrovs'ke, ukraine
$20 USD / hour
85%
Jobs Completed
100%
On Budget
100%
On Time
8%
Repeat Hire Rate

Fullstack(PHP/JS/ASP/SQL) | Software(Sys/C/Python)

My name is Yevgen and I have been doing web and mobile app development for 6 years. I am a full-stack web developer specializing in frontend development with javascript frameworks such as Angular, React.js, Vue.js, next.js and nuxt.js, especially for blockchain based applications with smart contracts and NFT marketplace. I am also proficient with backend php frameworks like laravel and codeigniter, and mobile app development based on android native as well as hybrid app development like flutter and react-native. I have worked with many small startups in capacities ranging from developer to product manager. I have extensive experience building and interacting with RESTful APIs, data modeling, Windows/Linux/Mac Desktop application development using C/C++, C# and java, and also reverse engineering. And also, I'm very familiar with python and Django. Thanks for reading. Best regards.
Freelancer Web Developers Ukraine

Contact Yevgen Y. about your job

Log in to discuss any details over chat.

Portfolio Items

I developed Roci Finance NFT marketplace.
What I did:
Roci FI lending platform architecture and smart contract architecture from scratch focused on security and optimization.
Developed Node proxy server.
Proxy and Storage logic for smart contract security improvement
Integrated openzepplin to smart contract for security logic myself.
Solved page loading time in the frontend.
Platform which let users can lend money or liquidity provide to the platform and get the income after the contract
finished and also can borrow money from when they need.
AMM logic for exchanging between the user token and company token.
NFT based User wallet score
Off-chain application using Oracle myself and integrated it into lending platform.
Roci Finance
I developed Roci Finance NFT marketplace.
What I did:
Roci FI lending platform architecture and smart contract architecture from scratch focused on security and optimization.
Developed Node proxy server.
Proxy and Storage logic for smart contract security improvement
Integrated openzepplin to smart contract for security logic myself.
Solved page loading time in the frontend.
Platform which let users can lend money or liquidity provide to the platform and get the income after the contract
finished and also can borrow money from when they need.
AMM logic for exchanging between the user token and company token.
NFT based User wallet score
Off-chain application using Oracle myself and integrated it into lending platform.
Roci Finance
I developed Tax Prodigy website by using jQuery, WordPress, MySQL, React.
Tax Prodigy Provision
I developed responsive web homepage using HTML, CSS, JavaScript.
I used MySQL for Database management.
Roofgraf responsive web homepage

Reviews

Changes saved
Showing 1 - 5 out of 13 reviews
Filter reviews by: 5.0
$17.00 USD
This guy is very good .. I recommend all to work with him
Website Design MySQL HTML Laravel phpMyAdmin
User Avatar
Flag of Jalal Udeen Ahmed M. @jalaljibreel
2 months ago
5.0
$15.00 USD
Excellent job, exactly as desired
PHP Website Design Graphic Design WordPress HTML
Z
Flag of Charles C. @zaph1
2 months ago
5.0
€8.00 EUR
Very easy to deal with, incredibly patient and willing to go the extra mile on project work. Would certainly recommend.
JavaScript HTML5 HTML jQuery / Prototype React.js
K
Flag of Kristian S. @Kristian1311
2 months ago
5.0
$30.00 USD
good work will use again
Website Design WordPress HTML
M
Flag of David Ray S. @madcap76
2 months ago
5.0
$10.00 USD
Really amazing guy. Takes time to understand my requirement very well and delivers very fast
PHP JavaScript AJAX MySQL
A
Flag of Mike J. @aydg77
2 months ago

Experience

Full-stack Developer

Roci Finance
Feb 2020 - Nov 2020 (9 months, 2 days)
Roci FI lending platform architecture and smart contract architecture from scratch focused on security and optimization. Developed Node proxy server. Proxy and Storage logic for smart contract security improvement Integrated openzepplin to smart contract for security logic myself. Solved page loading time in the frontend. finished and also can borrow money from when they need. AMM logic for exchanging between the user token and company token.

Frontend & Backend Developer

X World
Jul 2018 - Feb 2019 (7 months, 1 day)
Navbar component with high structure. Dropdown Menu of Navbar animation Effect using CSS3. DreamCard Number Animation Effect of Dashboard Page. Loading Component using Gradient Text Animation Effect Using CSS3. Volume & Transactions Graph of Analytics Page using react-apexchart library. Multi-Language platform using React createContext, useContext Hook. INPUT UI common components( Button, TextField, List ... ) Pool Page UI, Game Page UI, Fusion Page.

Junior Web Developer

Setronica
Apr 2016 - Jan 2018 (1 year, 9 months)
Dropdown Menu of Navbar animation Effect using CSS3. Did advanced JavaScript functional programming. Designed a MongoDB database. Developed software using RESTful APIs with Express.js. Handled JavaScript UX framework prototyping. Added a Hot module replacement plugin to Webpack.

Education

Bachelor

Ukrainian State Engineering Pedagogical Academy, Kharkiv, Ukraine 2010 - 2014
(4 years)

Contact Yevgen Y. about your job

Log in to discuss any details over chat.

Verifications

Preferred Freelancer
Identity Verified
Payment Verified
Phone Verified
Email Verified
Facebook Connected

Certifications

preferredfreelancer-1.png Preferred Freelancer Program SLA 1 93%

Top Skills

HTML 7 PHP 6 Website Design 6 JavaScript 3 WordPress 3

Browse Similar Freelancers

Web Developers in Ukraine
Web Developers
PHP Developers
Website Designers

Browse Similar Showcases

HTML
PHP
Website Design
JavaScript
Previous User
Next User
Invite sent successfully!
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2023 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.