Hi, I'm Julian Chen
More than 10 years of experience with web and app development, 3+ years of Blockchain Space. As a creative & passionate developer, and fast learner with details and high quality, I am always trying to improve development and communication processes.
Years of Experience
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Write smart contracts, scripts and unit tests with Solidity and Rust
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Deployed smart contracts on Ethereum, BSC, Polygon and Cosmos networks
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Verify smart contracts using etherscan and test smart contracts using Remix and Ganache
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Integrate smart contracts into frontend applications with web3.js/ethers.js
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Built decentralized applications including Defi, DAO and NFT marketplaces
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Expertized in Cosmos SDK, Cosmwasm and building application-specific blockchains with Starport
 
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Build monolith/microservice backend applications with Node.js, Django and Laravel
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Proficient in SQL queries and using ORM libraries (TypeORM, Prisma) to interact with the DBMS
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Implement GraphQL schema, queries and mutations inside the backend applications
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Familiar with SQL, NoSQL databases including MySQL, PostgreSQL, SQL Server and MongoDB
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Write CI/CD scripts with CircleCI and deploy application automatically with Docker, Kubernetes and AWS services
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Deploy frontend/backed application on AWS, Heroku, GCP, Netlify
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Increase the search speed and performance by integrating ElasticSearch to the application
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Cache data on backend using Redis and Memcached
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Third-party authentication service with Firebase and Auth0
 
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Build beautiful, responsive UI with reusable components(SFCs) using React and Vue
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Utilize Remix framework to build full stack application
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Implement public web pages with improved SEO and loading speed, using Next.js and Gatsby.js
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Optimize performance of the application with Lazy Loading and Page Splitting
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Awesome experience in CSS frameworks and design libraries with deep knowledge of HTML/CSS
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Pixel-Perfect implementation of the website according to the design provided by figma
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Unit tests, integration tests and e2e tests with React Testing Library, Enzyme and Cypress
 
Resume
Education & Experience
                  Bachelor of Computer Science
Nanyang Technological University / 2008 - 2012
- Studied ML(machine learning), AI(artificial intelligence), web development area
 - Researched ML-translation engine with corpus database written by Java and Python
 - Rebuilt web application for school community platform
 
My Experience
                    Full-Stack Software Engineer
Hydra Swap, Singapore / May 2022 - Feb 2023
- Developed Solana AMM for Hydra Swap with Rust/Anchor
 - Building NFT projects, P2E games on Solana & Aptos with MOVE
 - Build AMM platform using React, Web3.js and @solana/web3
 
Software Engineer
EbisusBay Inc / Oct 2021 - Apr 2022
- Developed smart contracts utilizing ERC token standards- IntegrateWeb3.js & Ethers.js for blockchain integration
 - Built CryptoPuffies NFT collection and NFT minting & staking site
 - Build AMM Swap platform using React, Web3.js, Ethers.js
 - NFT collection & exchange contracts using ERC721A, ERC1155
 
Software Engineer
Oneof Inc. / Jun 2019 - Feb 2021
- Web3 integration for NFT marketplace- Build UI components with React, Ant Design
 - Developed the smart contracts for NFT collections
 - Build backend NFT indexing service
 
Full-stack Developer
CDMBase Inc / Feb 2016 - May 2019
- Develop Time Tracking Web based app and Admin Control Panel with React/Redux,Redux-Saga, Context API
 - Develop social media platform
 - Worked with building real estate & booking and reservation system
 - Build video chatting platform using Twilio Video API
 - Manage Graphql API using Apollo Graphql Server & Client
 
                    Full Stack Developer
Upwork Global Inc / July 2013 - Jun 2016
- Static Website Development utilizing HTML, CSS.- Migrate AngularJS based Webapps to React or Angular Based Web App.
 - PHP backend development; create MVC architecture, User authentication, and authorization.
 - MySQL, PostgreSQL, NoSQL database management.
 - Maintenance of Web applications & Improving UI/UX
 
Portfolio
Some of my most recent projects