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Blockchain JavaScript PHP React.js Solidity
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$30 USD / hour
kyiv, ukraine
$30 USD / hour
It's currently 11:12 PM here
Joined October 14, 2021
0 Recommendations

Pylyp A.


5.0 (10 reviews)
$30 USD / hour
kyiv, ukraine
$30 USD / hour
Jobs Completed
On Budget
On Time
Repeat Hire Rate

Full Stack (Senior Blockchain) Developer

- Senior Software Developer having 10+ years of experience including Blockchain experience I have more than 10 years of experience with single-page javascript frameworks like React, Angular, TypeScript, JavaScript, JQuery, NodeJs, ExpressJs, ExtJs, and many other JavaScript Vanilla and Pure Java-scripts frameworks. I have known React Hook, SASS, CSS, SCSS, React Material-UI and React bootstrap, Tailwind CSS. I have in-depth working experience with Git, Web Services, Restful Services, SQL, and No SQL databases like MongoDB, DynamoDB, RavenDB. I have a solid grip on Object-Oriented programming and working knowledge of architecture, design patterns, Domain-driven design, and MicroService architecture, etc. For my projects, I follow the below standards - Utilise all core development principles, Complete documentation, and comments for each part of the code. - Readable code, meaningful variable, and constants name - Use Helper for common functions - Localizations for all hard code strings and other stuff - Agile / Scrum methodologies - Daily commits to Git and maintaining code standards
Freelancer Javascript Developers Ukraine

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Portfolio Items

Have built solaminter NFT marketplace for solana network.
Roadmap was like these;
1. Built and deployed new NFT token contract with solidity or rust language.
2. Built the NFT marketplace for our new token. We can use React and Vue.
3. Integrate web3 onto frontend.
4. For NFT we can set the loyalty for Master Edition NFT. Minting new Master Edtion user will earn using this fee.
NFT Market place
Dex site with creating own smart contract and token based on it.

We just developed swap site for exchanging dynxt token and bnb.
Solidity was used for smart contracts and implemented Web3 integration and Frontend side using Vuejs/Nuxtjs. 

And then had experiences in developing NFT minting sites on eth net and solana net.
Just one month ago I developed the NFT marketing place like OpenSea on Solana net.
Here I created smart contract that is based on ERC 721 token as well.
Here Rust was used for smart contracts and implemented web3 integration and Frontend side using Reactjs/nextjs.
Blockchain Development
This was built on top of React and Node/Express.
I was a tech lead of this developement team and built the design and architecture of the application.
Worked with customer support team closely.
Online Eyeglass lenses marketplace
- Admin portal was written in RoR
-  Node server for managing the co-browsing session
- Vue for front-end part
I developed this app from scratch and after a short period of pause, I added a live video/audio call feature using Vonage/Opentok.
Ruby on Rails, Node, Vue
A PHP/React-based payment processor portal for simple, secure, and scalable credit card payments. I was the full-stack developer and worked on both the front end and back end. I developed the dynamic file uploading component in the payment forms, refactored the queue table and created a new organization page in the payment portal.
Laravel + React


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Showing 1 - 5 out of 10 reviews
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$140.00 AUD
Fast turnaround and very helpful. Thank you.
JavaScript Google Chrome
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Flag of Kurt J. @CertaFFE
18 days ago
$140.00 CAD
It was a real pleasure working with Pylyp and I admire the fact that he continues to work hard under his circumstances. Work was done on time, was well tested, well documented and he even provided a video that shows how to test it. I highly recommend him.
PHP Perl Cryptography Encryption
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Flag of Frederic J. @makafre
25 days ago
$140.00 USD
Nice try and hard working
JavaScript Blockchain Ethereum Non-fungible Tokens (NFT)
Flag of Lane D. @donaldbusiness20
5 months ago
$150.00 USD
He has expertise in the project that was assigned to him.
C++ Programming Object Oriented Programming (OOP)
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Flag of Chalothorn C. @prochava
5 months ago
$65.00 USD
It's always a pleasure to work with Pylyp.
JavaScript React.js Frontend Development
Flag of Ardilla N. @ardillanetwork
5 months ago


Senior Angular | React Developer (Blockchain, Crypto field)

Rubrik, Inc (remote)
Mar 2021 - Oct 2021 (7 months, 1 day)
Created bug fixes on the shield CDM project using AngularJS. Developed a new feature that restricts one user from making significant changes on the system without getting reviewed by another qualified user. This feature is called TPR (two-person rule). Developed back-end API part using Scala, Java, and Bazel. Technologies: AngularJS, React, TypeScript, Scala, Bazel, Web3.js

Senior Full-Stack Developer (Blockchain)

Home Court Advantage LLC(remote)
Apr 2021 - Sep 2021 (5 months, 1 day)
Developed a back-end API for a video and audio call feature. Integrated a Vonage OpenTalk API to support a video and audio call features. Developed a front-end library kit for a video and audio call feature. Technologies: JavaScript, React, Ruby, Ruby on Rails (RoR), PostgreSQL, Socket.IO, Video Streaming, AWS, AWS ELB

Senior React Native Developer

MPower Cloud Technologies(remote)
Feb 2021 - Jun 2021 (4 months, 3 days)
Wrapped the mobile app UI with new designs by delivering pixel-perfect UI on iOS and Android. Developed multiple language support for the React mobile app. Customized photo selection and keyboard emoji components. Technologies: JavaScript, React, React Native, Redux, Twilio API


Bachelor's degree in Computer Science

Nacional'nij Universitet 'Kievo-Mogiljans'ka Akademija', Ukraine 2008 - 2013
(5 years)

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Top Skills

JavaScript 3 React.js 3 Solidity 3 PHP 2 Blockchain 2

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