https://www.bloodandtreasure.com/ Nest.js, Postgresql, Salesforce - Implemented the company's deal calculator with integration of Salesforce. - Worked in a distributed team based on an agile environment.

https://www.chickenderby.com/ Node.js, MySQL, React, AWS, Web3, Biconomy - Implemented NFT game and marketplace with ERC721, ERC1155, ERC20 token transfers on Polygon Mainnet. - Supported gasless transactions using Biconomy and coupon/EIP712 based off-chain mechanism to reduce the gas fee.

https://gogograndparent.com/ Node.js, MySQL, Vue.js, Graphql, AWS - Implemented the customer call service to help older adults live their independent life. - Integrated the ride service with Uber & Lyft, food & grocery delivery service with ubereats, doordash, instacarts. - Polished problem-solving skill resolving race conditions, bottlenecks, timeout issues. Coordinated with team players in an agile environment.

https://www.coachcare.com/ Node.js, MySQL, Angular, React-Native, Digital Ocean - Worked on the healthcare service for clinics to help their customers loose their weight based on the scheduled program and appointment. - Implemented the video meeting, localization for multi-lingual support and various charts.

https://ninjaoutreach.com/ Python, Posgresql, Vue.js, AWS - Scraped the detailed information for popular Instagram, Twitter, Youtube influencers and implemented the outreach service based on predefined campaigns. - Built the responsive Vue.js frontend with Bootstrap library and Vuex pattern.

https://www.crooklynclan.net/ Node.js, MongoDB, Angular, Heroku - Built the entire web from scratch, deployed and maintained the DJ service for editors to upload their audio & video tracks, for the customers to preview and download them. - Implemented the transaction ledger according to the accounting equation.