Harry Yun

Blockchain & Full stack Web Developer

Talented senior software engineer with a B.S in Computer Science.

Worked on various projects over the last 5 years.

As a full-stack blockchain developer, I have been deeply engaged with blockchain technologies.

Before jumping in blockchain world, worked at several companies as a web developer.

Since 2016, I've been researching, developing and deploying with enthusiasm web3 projects. Now, I have deep knowledge of Ethereum, Bitcoin, Solana, or other Blockchain technologies and various consensus protocols.

I have the following expertise.

- Developing smart contracts by Solidity/Rust/Cadence programming languages.

- Ethereum and Binance smart chain token creation based on SOL(Rust), ERC20, ERC721, ERC998, ERC1155,ERC1400, ERC223, and BEP20, BSC and IMAX protocols.

- Solana smart contract development (Unit test, solana-program-library, Solana-web3, Raydium swap and orca) by using Rust and Anchor framework.

- Developing dApps and the NFT projects(NFT minting project and NFT marketplace) including developing frontend using react or vue.js.

- Blockchain API integration(Bitcoin, Ethereum, Binance, Solana, Polygon, Flow, etc.)

- ICO site development with analyzing Dashboard.

- Smart contract with Solidity based ERC20 and Business model Integration.

- Defi development(Uniswap, Curve, Polkadot, Pancakeswap, Binance Launchpool, Blockchain supply chain solutions, Trading bot)

I always follow the client's requirement in detail and loyal to software workflow, and providing helpful advice to grow client's business.

Skills

Ethereum 100%

Solidity 100%

Solana 90%

Rust 90%

Flow 80%

Cadence 80%

Smart Contracts 100%

NFT 100%

token 90%

DeFi 80%

Dex 90%

Web3.js 90%

React.js 100%

Vue.js 90%

Angular 85%

Node Js100%

GatsbyJS 85%

GraphQL 75%

Typescript95%

Golang90%

PHP Laravel95%

Codeigniter95%

MySQL,MongoDB,PostgreSQL 100%

Resume

Sumary

Harry Yun

I am a full blockchain developer with over 5 years of experience in software development and project management.

My passion tends to land on progressive dapp development using Smart Contract(on Ethereum, BSC, Polygon, AVAX, and so on), Web3, React, Angular and other advanced JavaScript frameworks.

I've started working with blockchain 5 years ago. So that I have 5 years of experience with smart contracts which is written by solidity.

I also take great care & interest in creating smart contracts and take a position in back-end development with my strong experience with PHP, Node.JS and NoSQL or relational databases with complex taxonomies.

Education

Bachelor of Engineering - BE, Computer Science

2013 - 2017

Yerevan State University

Graduated with a degree in computer science

Professional Experience

Frontend&SmartContract Developer

2020.9 - 2022.2

Begoiko, United States

This project is about staking&nft&dao.

Products:
Several Defi Sites

DAO and NFT marketplace Technical stacks:
React JS, Express, Mysql
Solidity, Hardhat, Web3, Etherjs Project duration: 19 months

Project Lead Developer

2018.8 - 2019.9

Taks Handling Systems BV, United States

This project is a Saas platform for Task management.

Products:
Taks official website
Taks admin panel (Web application)
Taks Mobile apps (Android & IOS)
Taks Desktop app (Windows, Mac)

Technical stacks:
Java(Spring framework)
Angular
React Native(Hybrid Mobile framework)
Electron(Desktop Framework)

Link: https://taks.io

Project duration: 1.5 Year

Senior React/Redux developer

2017.10 - 2018.8

Doxel, United states

Built front-end with React.js/Redux and Material UI library, implemented some advanced features like Panorama 360 viewer, and integrated third-party libraries like Autodesk Forge Viewer, Leaflet.js, Mixpanel, Rollbar, etc.
I rebuilt the app, which had been built with AngularJS, by using React.js and its ecosystem.