Jin
Liu

Average Review

0.00

Reputation

18

Finished gigs

0

Finished jobs

0

Website

Not specified

Country

Not specified

Specialization

Blockchain development

Hourly rate

$30/hr

About me

Hello I am a professional and efficient developer with over 7 years of experience in web & mobile application development and the blockchain industry. My main strengths are making realistic promises, being responsive and accountable, and being focused on business needs and communication. Here is a summary of my skill set. 1. Blockchain development • ERC20 & ERC721 & ERC721A & ERC1155 (Low Gas Contract) • Dex, Dex aggregator NFT minting, NFT marketplace website build. • Smart Contracts development for various uses • Smart contract test & audit using Remix(EVM), Truffle, or Hardhat 2. Frontend Development • React.js, Redux, Next.js, Angular.js, Vue.js, Nuxt.js • React-Native, Ionic Angular • Material UI, MDBReact, Kendo UI, Bootstrap, Tailwind CSS, Bulma CSS, Chakra UI • Animation Websites • High performance, Pixel perfect, Full responsive, User-friendly 3. Backend Development • Node.js, Python, Express framework, PHP, Laravel, RestFul API • MySQL, Po

https://github.com/smartdev1102

Work experience

Veracity

December 2015 – July 2017

Job title

Full stack Developer

Work experience & achievements

• Developed and deployed Donation platform as a full stack developer. • Developed mobile CHILD GROWTH MONITOR app by using AI for measurements of children's body status. • Developed mobile app back-end and developed the API for it. • Developed Machine Learning Back-end and Machine Learning pipeline. • Lead from scratch an online CHILD GROWTH MONITOR platform. • Remotely worked with clients on requirement analysis, bug fixing and continuous feedback loop • Developed shopping app UI development and back-end API. • Setup payment system in website platform and mobile application. Technologies: Angular.js, MUI, HTML/CSS, PHP, Laravel, MySQL, Restful API, Figma, AWS.

Urban Insight

September 2017 – October 2018

Job title

React Developer

Work experience & achievements

• Built from scratch admin platform for managing platform's database entities and users using React, Node.js, and Mongoose. • Implemented complex UI components with React/Typescript and SCSS. • Improved the UX by creating several DMD-based components. • Wrote scripts to use and manipulate data from various sources. • Started the development of new micro service-based architecture with Docker and Node.js. • Created a company identity system as a micro service for other services using Node.js Technologies: React, Next.js, HTML/CSS, Sass, Tailwind CSS, Figma, Jira

Simpalm

November 2018 – February 2020

Job title

Full Stack Developer

Work experience & achievements

• Setup the DevOps with Github as VCS, Heroku as staging server, CircleCI as CI/CD framework, and AWS as production server. • Developed and launched chrome extension using Angular.jS which collect product details from amazon and save them in database. • Made PostgreSQL database design and created a Back-end server using Nest.js framework. • Developed pixel-perfect front-end with Angular v9 cloning the design. • Taken scrum meeting every Friday with Co-founders and UX/UI designer. • Launched back-end and installed reverse proxy. • Launched front-end via HTTP server using Apache2. Technologies: Angular.js, Redux, Tailwind CSS, Nest.js, PostgreSQL, Restful API

KeyFi

March 2020 – April 2021

Job title

Senior Blockchain Developer

Work experience & achievements

• Trading bot with strong strategies (Front running, snipping, arbitrage, contract bot) • NFT marketplace with Smart UI and high-end functionalities • DEX and Centralized Crypto Exchange • Advanced Trading Platform (Stocks, CFD, Forex, Option, Features...) • Portfolio Tracking Platform • Yield Farming Protocols • Automated Market Making (AMM) Protocols • Impermanent loss, governance tokens • P2P/Pool Lending and Borrowing • Crypto Collectible Platforms and Non-Fungible Tokens • ERC20, ERC721, ERC721A, ERC1155 Smart Contract Development Technologies: Blockchain, Ethereum, smart contracts, solidity, Angular.js, Node.js, web3.js, Remix, Truffle

Stratos

June 2021 – April 2022

Job title

Front-end Developer

Work experience & achievements

• Developed React Front-end from scratch. • developed website like user dashboard, admin panel, settings for service management • Worked on a POC for an automation reporting tool using all open source • Built web pages for customers using React.js,React native and Redux for responsive and highly-reusable UX/UI system. Technologies: Blockchain, smart contracts, NFT, solidity, React.js, Redux, React Native, MUI.

Education

The Hong Kong Polytechnic University

Graduation year: 2014

Level of study

Bachelor

Major / Field of study

IT

CV