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An online marketplace holds real-time auctions with buyers and sellers. The website built in order to solve the two problems which are often happened in Taiwan competitive bidding - untimely bidding amount and non-mandatory payment.

SorryMyWallet

Back-End Engineer

Yi Cheng Hsu

An E-commerce website with member system, products categories, details page, stock management, checkout and payment.


STYLiSH

I am an independent backend engineer with multiple experiences in developing projects from scratch. I have an optimistic and enterprising personality, and I am skilled in communicating with others. I am always curious and passionate about learning new technologies and tools.

✅ Programming language: Golang, Echo, TypeScript, Node.js, Express.js
✅ Skills & Tools: MySQL, Docker,AWS, GOETH, Ether.js, OpenAI 

National Taiwan University

明合智聯 FormosaVerse

Back End Engineer

Transitioned from Chelpis to pursue independent backend development
📌 Developed using Golang, Echo with boiler template using custom logger and error handler
📌 Integrated Firebase and Line OAuth for CRM system development, with Key Hierarchy used to establish blockchain custody wallet
📌Used Go-eth to integrate ERC721  smart contract for NFT server compatible with on-chain and off-chain wallets
📌 Established server and performed stress testing using Terraform and JMeter
📌Integrated OpenAI, GPT-4 and promt
📌Transitioning from raw SQL to Gorm.

台灣台北市

📌 Participated in the development of robust and efficient blockchain modules using TypeScript, Node.js, Ethers.js, and AWS CloudWatch.
📌 Contributed to ERC721 smart contract unit testing using TypeScript and Hardhat.
📌 Collaborated in building deploy tools using TypeScript, Node.js, and Oclif to streamline the deployment process.
📌 Project owner of FormosaVerse Potion for charity, passionate about utilizing skills to make a positive impact on society.
📌 Actively learning and staying up-to-date with the latest advancements in the blockchain field to provide the best solutions and contribute to industry growth.

池安量子 Chelpis Quantum Tech

 Back End Engineer

📌Admitted to AppWorks School training program from over 300 applicants with a lower than 10% acceptance rate.
📌Back-End developed and learned in 20 weeks under flipped teaching and result-driven by self-studying, topic discussion and co-working.
📌Established personal project 'SorryMyWallet' - a real-time online competitive auction website with Node.js, MySQL, Socket.IO and AWS in 5 weeks.
📌Built personal project 'STYLiSH' with Node.js, MySQL, Redis, AWS EC2, AWS S3 and constructed front-end page with HTML, CSS and designer's layout.
📌Add 3 new features with base code and won the first prize of co-work competition with teammates from Front-End, Android, and iOS class in one weeks

Project: 
SorryMyWallet - A Real-time Online Auction Site
🖥https://baocian3.fun/                            
🖥https://github.com/YiChengHsu/SorryMyWallet

STYLiSH – Online Shopping Site for Clothes
🖥https://sea-stylish.site/

AppWorks School

Back-End Trainee

📌Organized three whisky brand launch events and 17 tasting events with strong time management skills and activity planning ability.
📌Hosted 10 whisky tasting events with well informed preparation, logical delivery showing great presentation skills.
📌Reduced domestic purchase by 20% while maintaining the same sales figures in 2020 by conducting market survey and demonstrating exceptional negotiation, and communication skills.

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