Joshua LinFull Stack Developer
Since 2015, I have started my blockchain developer career and during that time, I have lots of blockchain and web projects. My experiences range from creating both front-end blockchain applications to backend architecture design and implementation, smart contract development, testing, auditing and development for Fintech and other industries that need the power of decentralization, tokenization, and smart contracts. Expertise in Public Blockchain Platforms: Ethereum | Solana | Binance Smart Chain ✓ Developing smart contracts by Solidity and Rust programming languages. ✓ Developing RPC using client libraries such as Web3js. ✓ Static analysis of smart contracts for gas consumption and optimization using Remix IDE. ✓ Securing smart contracts using libraries like OpenZeppelin. ✓ Developing Ethereum dApps using Truffle framework. ✓ Integration with crypto wallets such as Metamask & Phantom. ✓ Deploying smart contracts on test networks such as ropsten/rinkeby as well as ethereum/solana mainnet. Expertise in Private & Consortium Blockchain Platforms Hyperledger Fabric ✓ Developing Chaincode using the Go programming language. ✓ Developing proof of concepts using Hyperledger Composer. ✓ Integration with Fabric Java SDK. ✓ Creating RESTful APIs for client applications to communicate with the blockchain network. ✓ Creating channels, orderers, and peers. ✓ Deployment and instantiation of Chaincode on channels on cloud services like IBM Bluemix and Amazon AWS. I hold expertise with: - Solidity / Rust / Golang - React.js / Express.js / Nest / Vue.js / Next.js / Nuxt.js / Angular / Redux /Node.js - Laravel - Ruby on Rails(RoR) - MySQL / MongoDB / PostgreSQL / MSSQL - Heroku / GCP / Docker / K8s / Amazon Web Services (AWS) / Digital Ocean - Github, Gitlab, Bitbucket, Trello, Jira, Backlog, etc. Here are the applications that I've built so far. - Dapp, DeFi development - NFT game/marketplace development on Ethereum & Solana blockchains in Solidity & Rust - Ethereum & Binance Smart Chain token development on ERC20, ERC721, ERC1155, BEP20, BEP721 & BEP1155 protocols - ICO / ITO / IDO / STO, Cryptocurrency exchange & Cryptocurrency wallet Development Further Expertise & Work Deliverables in Blockchain: ✓ DApp for Supply Chain Management for Food Industry ✓ DApp implementation in Philanthropy ✓ DApp for Anti-Counterfeiting in the Pharmaceutical Industry ✓ Worked on Protocols like Ethereum, IBM Hyperledger, Stellar ✓ SetUp of a Permission-based Consortium Network ✓ Implementation of Private, Public and Permission-based network Thanks.
Tech stack
Vue.js (3)
Solidity (3)
Angular (2)
MySQL (2)
Laravel (2)
React Native (2)
CircleCI (2)
Ruby on Rails (RoR)
CodeIgniter
Node.js
Express.js
React
AngularUI
React Router
Angular Material
Rust
Go
MongoDB
PHP
React Redux
PostgreSQL
Postman
Next.js
Experience
Mobile DeveloperfairTasting
01/2021 - 02/2022

I have developed a mobile app for both versions of Android and iOS with react native myself.

React Native
CircleCI
Full Stack DeveloperInstadapp
03/2019 - 01/2022

I made a smart contract and developed the frontend

Solidity
Vue.js
Full Stack DeveloperGoal.ge
05/2017 - 09/2018

I have developed a backend, website, mobile website and dashboard. Please check my github. I have uploaded it as a public repo.

Laravel
Angular
MySQL
Education
Bachelor's Degree Computer ProgrammingShanghai Jiaotong University
09/2012 - 07/2017
Portfolio
fairTasting
January 2021 - February 2022
InstaDapp
March 2019 - January 2022