Hi, I'm Brad Jin.

A
Experienced Mobile App Developer with 8 years of expertise in UI/UX design and cross-platform app development. Proficient in Agile development and SOLID principles, I thrive on tackling challenges and am deeply passionate about my work. I'm eager to join a team that constantly explores new possibilities. Currently seeking a new opportunity in full-stack development, where I can contribute my skills and knowledge to drive the company's success. Ready to bring my dedication and expertise to your team. Congratulations!

About

A Passionate Mobile Developer

I graduated from University of Shanghai for Science and Technology and got a bachelor's degree in Computer Science. I have both experience in working in office and remotely.
I'm a highly experienced mobile developer with 8 years of development experience in the field. I specialize in creating mobile applications and have worked on a variety of projects, ranging from consumer-facing applications to enterprise solutions. I'm an expert at the full mobile development lifecycle, from concept to launch, and have a deep understanding of the best practices for developing successful mobile apps. I'm also well-versed in all the major mobile technologies, including iOS, Android, Swift, Objective-C, Java, and React Native. My goal is to create user-friendly, secure, and reliable applications that meet the needs of my clients.

I will work harder and harder for your company with all my heart and ability. If there is anything I don't know, I will learn from my team members and I will focus all in the success of company.

Let's work together! Regards!

Experience

Zhiffy logo

THE STUDIO BRIDGE

iOS Developer
  • Cooperate with designers to create clean interfaces and simple, intuitive interactions and experiences with Swift4.
  • I tried to have good skills in Laravel and AngularJS, and developed Hotel Booking site and house selling&buying project using Angular and Laravel.
  • Integrated Google Maps for displaying event locations using ArcGIS, PostGIS.
  • Developed several online shopping sites using Wordpress and Shopify.
  • Tools: Swift3, Objective C, Github
April 2016 - March 2017 | Pasig, Philipines
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Danapay

Android Developer
  • Used ReactJS , NodeJS and MongoDB to build RESTful APIs for Danapay financial business project and developed Android mobile app.
  • We used AWS for CI/CD, Zenhub, Miro, Github, Jira, Loom and Slack and Microsoft Team for communication.
  • Tools: Android Studio, Nox emulator, Java...
June 2017 - February 2019 | Toronto, Canada
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Deversus Software Inc

React Native Developer
  • Developed Game Communify project and Video Chat App. By using the latest technologies and frameworks, various complex and highly responsive pages were implemented, and by using performance-enhancing technologies, a highly optimized and fast site was created.
  • From time to time, implemented Tree Defi project using React Native and integrated with smart contracts using web3.js.
  • Tools: React Native, NodeJS, React, web3.js
April 2019 - May 2020 | Vancouver, Canada
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Velocity Promotions LLC

Full stack Developer & QA engineer
  • With teammate who is currently the CEO of the company, set up an early company with ambitions to succeed in business and created an e-commerce site, and the company is growing at a rapid pace.
  • After deploying first version of site, we developed mobile APP using Ionic and Laravel. In mobile version, I worked as a Lead Developer.
  • Tools: React, Ionic, Laravel, PostgreSQL, Zenhub, BitBucket, Azure, Cypress, Jest
March 2021 - June 2022 | Huston, United States
Individual Mobile Developer
  • In November last year, I finished our Mobile App in Velocity Promotions company and retired remote working from company. Currently, I am working as an individual developer and looking for a new role.
  • I jumped in Blockchain area about 2 years ago, in the meantime, I developed NFT minting App, Defi and DAO project in my free time.
  • React, Node, Web3, Blockchain, Nest.js
Nov 2022 - now

Projects

quiz app
House Buying & Selling project

House buying and selling project using AngularJS and Laravel

Accomplishments
  • Tools: AngularJS, Laravel, MySQL, Netlify
  • Administrator can add selling house and users can book buying house and integrated payment methods
  • Used AngularJS for front-end and Laravel for back-end. MySQL is used for database.
Screenshot of web app
Danapay Customer Side

Danapay financial project for Customers

Accomplishments
  • Tools: React, Node, MongoDB, Blockchain, Solidity, AWS
  • Customers can signin/signup and send money using Bank and mobile accounts to one or several users.
  • They can resend and manage profiles, transactions, histories and so on.
Screenshot of  web app
Danapay Admin Side

Danapay financial project for Administrator

Accomplishments
  • Tools: Vue.js, Laravel, MySQL, Blockchain, Solidity, AWS
  • Administrator manage all users, transactions, companies, withdraws, Bank accounts, Bulk transfers and so on.
  • Used Vuejs for front-end and Laravel for back-end.
Screenshot of  web app
RapidWristband shopping site

Online shopping site for wristbands.

Accomplishments
  • In first version, we used Laravel for web application and second version, Ionic-react for front-end for mobile application.
  • In second version, I worked as a QA engineer with Cypress, Jest, PHPUnit and Laravel Dusk.
Screenshot of  web app
Mint App

Golfpunks Mint project

Accomplishments
  • Used React for front-end and Solidity for contracts.
  • User can connect wallet and mint their mind golfpunks.
Screenshot of  web app
Tree Defi project

Tree Defi project

Accomplishments
  • I made Defi contracts only using ERC721 token and integrated with front-end using Web3.js
Screenshot of  web app
NFT marketplace

NFT marketplace with end-to-end development

Accomplishments
  • NFT marketplace with React, Node and Blockchain Technology.
  • Developed from scratch. Future areas and perks can be unlocked by the community through roadmap activation.
Screenshot of  web app
Video Chat App

Free WebRTC - P2P - Simple, Secure, Fast Real-Time App, compatible with all browsers and platforms.

Accomplishments
  • Developed Video chat App using Nextjs, NodeJS and WebRTC.
  • Users can create their own rooms and have a video meeting, and also they can share the screen and file sharing.
Screenshot of  web app
Airdrop Minting project

Best minting page having 3 levels of whitelist

Accomplishments
  • A successful NFT project in bear crypto market!!!
  • Beautiful UI and special utility page
  • Implemented special complex minting process with 3 levels of whitelists.
Screenshot of  web app
RoosterWars Blockchain Game

Blockchain Game fighting with roosters

Accomplishments
  • Mainly worked on building smart contract and web3 integration. In this game, players can buy and sell rooster, egg, gem and gaff.
  • There are also utility contracts such as egg sale, marketplace, store, fight betting, jackpot, tournament and so on.
Screenshot of  web app
Nono NFT Mint Project

Minting Project using NonoNFT made by Front-end with Three.js

Accomplishments
  • Created Clean and 3D UI using Three.js.
  • NoNo Mint launched as a fixed set of 10,000 items in mid-2017 and became one of the inspirations for the ERC-721 standard.
Screenshot of  web app
PolyCat Dex Project

PolyCat Dex Project

Accomplishments
  • Forked pancakeSwap, implemented fantastic UI
  • Lower Fee - Maximum Earning when Exchange. Safe and Flexible, reliable Exchange. Well audited smart contracts.

Skills

Front End skills

React
React Native
VueJs
Ionic
Typescript
Angular

Back End skills

Express.js, Sails.js
Laravel
Django, Flask
Fast-API
NestJS

Database, Tools

MySQL
MongoDB
PostgreSQL
Keras
TensorFlow
PyTorch

Blockchain

Bitcoin
Ethereum
Solana
Cosmos
Heroku

Other

Git
AWS
Azure
Netlify
Jira

Education

University of Shanghai for Science and Technology

Shanghai, China

Degree: Bachelor of Technology in Information and Communication Technology
CGPA: 3.47/4.33

    Relevant Courseworks:

    • Data Structures and Algorithms
    • Database Management Systems
    • Operating Systems
    • Computer Vision
    • Machine Learning

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