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Andrew Chen 陳柏安 (CHEN PO AN) Staff Software Developer at AmazingTalker [email protected] Skills Micro-service migration planning and infrastructure design. System infrastructure and backend development Node.js, Golang, PostgreSQL, MongoDB, Elasticsearch, AWS. CI/CD; dynamic schema management systems; authorization and permission control services; high-performance ticket systems, message queues, and e-commerce systems. Search engine migration and tuning, event-driven data loaders, auto reindex setups, and new queries. PostgreSQL and MognoDB database tuning. Including indices and sharding. Multi-layer cache design and control, including memory cache

操作過 MySQL、SQLite 等資料庫儲存感測數據與使用者帳戶資料。 - 網頁前端設介面設計 > 使用Vue.js建構前端頁面。 > 透過 WebScoket與 RESTful API 與後端、現場系統進行資料交換顯示即時數據。 > 製作能與使用者互動的介面，供使用者編輯感測器安裝地圖。 > 使用 .Net Core 與 Node

the current currency pool, which led to a 30% per annum revenue increase; — accompanied backend infrastructure development (still in progress) and optimized back office infrastructure (turnkey); — signed multiple partnership agreements 07/2018-present with leading cryptocurrency fiat-on-ramp service providers, exchangers and bank card processing services like (Simplex, Binance, Moonpay, Itez etc.) led to more than$ compound revenue (and rising); — successfully organized and led a team of 2 backend, 1 frontend, 1 teamlead, 1 UI/UX designer, 1 DevOps and 1 QA Engineer (still in charge); — was responsible for multiple business-process optimiz...

Yuchun Lai Frontend Engineer Taipei City, Taiwan Having over a decade of website development experience, executing over one hundred projects, and possessing experience in building a large-scale data exchange platform from scratch. In addition to CSS , JavaScript , and React proficiency, I have backend experience with Node.js and VB.NET, along with strong UI/UX knowledge. This facilitates effective communication with cross-disciplinary partners and comprehensive system planning. Over the past two years as a manager, I've implemented tools like Github Actions , ESLint , and Storybook to cultivate a strong team culture.

off-chain mechanism to reduce the gas fee. Lead Developer Element7Concrete MayApril 2021 Remote https://www.element7concrete.com/ Meteor, MongoDB, React, React-Native, Graphql, Heroku - Implemented the inventory system used internally in the company from scratch to deployment. - Managed everything related to the development alone based on the client's requirements. Backend Developer GoGoGrandparent FebruaryApril 2022 Remote 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

the software development process by actively engaging in daily sprints, epic grooming sessions, and providing valuable contributions during reviews. Full stack software developer • Data Integrated Limited SeptemberOctober 2021 Revamped and implemented highly scalable services for vehicle tracking, route management, and vehicle scheduling, leveraging web-socket and Tcp socket technologies in a team of 4, resulting in: 30% increase in real-time vehicle tracking accuracy. Build back-end components by leveraging ACID compliance, normalization and sub-queries to streamline intricate and expensive queries across multiple tables. Elevated trigger mechanisms for production, resulting in a remark...

Lambda AWS ECS AWS DynamoDB AWS RDS AWS CloudFormation AWS CDK Toolkits Docker GitHub ESLint Jest Selenium Education Bachelor Degree, Tatung UniversityComputer Science and Engineering Certificates AWS Certified Developer – Associate 2021//05 Work Experience CoolBitX, Software Engineer, Dec 2019 ~ SepProvided guidance and led 5 developers, and coordinated all development work in a timely manner. - Worked closely with the Project Manager, UI/UX Designer, and QA Engineer in ensuring project success. - Managed technical development that is in line with our established architecture, technical designs, and development standards. - Developed and maintained an auditing system on exchange