Chang Han

Chang Han

$35/hr
Full-Stack Web Developer
Reply rate:
-
Availability:
Full-time (40 hrs/wk)
Location:
Ottawa, On, Canada
Experience:
7 years
Chang Han Ottawa ON, CA Mail:-Phone: - EDUCATION Bachelor Degree Arthitecture Britain University- Summary Experienced Full Stack Developer adept in all stages of advanced web and Blockchain development. Knowledgeable in user interface,testing, and debugging processes. Bringing forth expertise in design, installation, testing and maintenance of blockchain systems.Equipped with a diverse and promising skillset. Proficient in an assortment of technologies, including Node.js, React.js, Vue.js, JavaSpring, C++. Experience Full Stack Developer- 04/2016 to 04/2020 Dosion JX & Nakata Company Achievements/Tasks • Development web application and mobile app with senior developers. • Worked with an agile team of 12 members and provided endto-end solutions for clients. • Develop various websites using MERN, MEVN stack. Used React Boilerplates, React Dashboard Theme • Web applications, and programs based on Bitcoin and Ethereum with tracking and usage ofcryptocurrencies • Developed blockchain services such as blockexplorer and web/mobile wallet • Working knowledge of crypto/blockchain trading systems for DEX and NFT games. Full Stack Developer - 05/2020 to 06/2021 Dochub Company Achievements/Tasks • Collaborated with the UX/UI design teams to improve the website and applications. • Daily maintenance of code, debugging issues and solving clients’ problems. • Developed 10+ responsive websites for clients in a variety of industries using React.js, Vue.js, Java, JavaSpring. • Mobile development using React Native, Ionic Framework, Flutter for cross platform. PERSONAL PROJECTS Ryoma (06/2021 - 08/2021) • NFT marketplace • Developed Admin and User web sites using React.js, JavaSpring • Smart Contract(Ryoma, NFT, Exchange) Mindmail project (07/2021 - 10/2021) • Used React.js, Typescript, Express, Bootstrap, MySQL • Affirmation(chatbot)/Gratitude/Visualizations • User and Admin panel GUH Token fork (01/2021 - 02/2021) • • • Smart Contracts(GUH, Master, MarketOracle, MarketOracleBTC) The backend development using JavaSprinig for the dashboard and web application Developed using React.js, React Hooks Languages English Full Professional Proficiency Skills Frontend: React, Redux, React Native, VueJS/Vuex/Vuetify/Nuxt js, Html5, bootstrap, es6, Web3.js, Web3.py Backend: Java Spring, ASP .Net, .Net core, node, laravel, python2 Mobile: Swift, Java, Objective C, React-Native Communication: slack, skype, email, zoom, hangout Drops DAO project (05/2021 to 10/2022) • • • Managed cloud infrastructure on AWS EC2, in charge of server performance and on-call support. Smart Contract(Oracle, NFT, Exchange) Backend development using Web3.js. Interests • • Blockchain AWS Serverless
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