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US$4.5M in total sales. Built a backend event tracking system by batch-fetching contract events on the blockchain. This system empowers the operations team to analyze sales quantities and cost metrics from various perspectives. The technology stack includes Node.js, Ethers.js, and PostgreSQL. TTWallet | A mobile wallet with over 500K Monthly Active Users Designed and integrated multiple payment platforms, including Binance Connect and Coinbase Pay, into our web3 wallet for seamless and secure financial transactions. Integrated Wallet Connect v1 and v2 functionalities into our web3 wallet, enhancing its seamless interaction

engineer at Klarna, a payment company, where we develop and maintain the merchant portal. I also love building applications to interact with people. Therefore, I later started a clinical note-taking service that boost medical workers' productivity after leaving Klarna. Technical Skills: Javascript, React, Node.js, PostgreSQL, AWS, Jenkins CI/CD Taipei City, Taiwan 工作經歷 Co-Founder • Newpa.io MarchOctoberGuided the translation of user needs into actionable deliverables, bringing product design from concept to implementation - Built a robust note-taking application leveraging Next.js and PostgreSQL, delivering an intuitive and

Jui Yu, Yang I graduated from the Department of Industrial and Information Management at National Cheng Kung University with a master's degree. My research focused on small sample machine learning and quality improvement in industrial management. With 6 years of experience in the software engineering industry, I emphasize code quality and automated deployment processes. I excel in full-stack web and desktop application development, particularly proficient in React framework and unit testing. My backend experience includes developing RESTful APIs and Socket.io services for inter-service communication, database management, Docker, and CI/CD

Java Backend Engineer • KKday 九月二月 2024 Develop and maintain programs related to the order processing unit, including processes and content such as orders, invoices, reconciliation statements, suppliers, and reverse debits. (https://www.kkday.com/) • Used Tech Stack java, Spring Boot, Redis, PostgreSQL, Docker, RabbitMQ • Achievements 1. Optimized certain APIs to significantly reduce response time by over 70%. 2. Planned and structured new projects using innovative solutions not previously considered. 3. Quickly grasped system architecture and business logic, and conducted knowledge- sharing sessions to disseminate insights to

ServiceNow). IT Consultant PT. Visi Solusi Teknologi • JanuariFebruari 2016 As IT Consultant (Middleware) on Telkomsel, maintenance and resolve some problem for Enterprise Application Integraion (EAI) that using WebLogic as middleware apps. Using tools like shell script, javascript (like nodejs), also using some database such as Oracle DB, Postgresql and also MySQL. EducationBudi Luhur University Bachelor Degree Skill JAVA Spring Boot RDBMS (MySQL, PostgreSQL, MsSQL, OracleDB) Webservices RESTful KAFKA SOAP Web Services Git Scrum / Agile development / github PR code review Jenkins CI/CD integration TeamCity CI Openshift Container Platform Kubernetes/Docker Language Indonesian

HTML/CSS、styled-components 後端：Golang、MySQL、BigQuery、PubSub、Docker、Kubernetes、NodeJS、GraphQL 工具：Git 工作經歷 Taiwan Public Television Service Foundation , Backend Engineer, August 2023 ~ 在全端框架（NextJS + NestJS）下，以 GraphQL 串接資料，以 TypeORM 處理 PostgreSQL，維護 ptsplus.tv ，並持續開發新功能 調整首頁影片列表，於前端實作無限捲動功能，後端實作對應的 pagination，有效降低首頁載入時

發 轉移 Notes 上運作的應用程式至 web 開發， 使用 AJAX 呼叫後端 LotusScript 代理程式 優化系統介面，透過防呆機制，改善使用者體驗 資料庫使用 Oracle，會使用 CRUD 開發資源預約系統專案（管理會議室與IT部門電腦租借日程） 前端： Nuxt.js、axios、 FullCalendar、BootstrapVue、VeeValidate 後端： Express.js 資料庫：PostgreSQL12