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驗 工作經歷 全端工程師 (Ruby on Rails) 博弘雲端科技股份有限公司 | 台北, 台灣 Dec 2020 ~ Oct 2023 使用技術或工具: Ruby on Rails, Git, Vue, MySQL, MongoDB, Elasticsearch, ElastiCache, Ansible, RSpec, Cypress, AWS, GCP 開發與維護 AWS 帳務系統，擴充系統支援海外事業體，支援當地貨幣、稅率、合約，使公司掌握海外成本與營收等相關

microservices for notify GraphQL consumers about changes in their patients' data. Designed and developed an authorization and authentication system for GraphQL consumers. Worked in 2 week sprints with involvement in planning, testing & retrospectives. Collaborated closely with the customer. Stack : RoR 4.2, PostgreSQL, Redis, GraphQL, RSpec, WebSockets, ActiveMQ, Microservices, DataDog, Docker, Vue, Vuex, Jest. Senior Software engineer • Oxagile OctoberOctober 2021 Developed full stack web application using Rails and React . Solved performance problems. Contributed to the development of an integration testing framework based on RSpec. Designed an architecture for a media serviceDesigned

utilizing AWS ECS and Spot Instances. Implemented infrastructure as code using Terraform to automate AWS server deployments, ensuring synchronization between staging and production environments. Developed backend APIs with GraphQL to simplify frontend interactions, reducing the number of queries required and enhancing API intuitiveness. Implemented unit testing using Rspec, achieving 98% test coverage, and integrated deployments to AWS servers via AWS CodePipeline. Deployed applications in a fully containerized environment using AWS ECS and EC2 within a VPC, using ALB as the endpoint for client communications, and implemented zero-downtime rolling deployments via CodePipeline to ECS. Automated

Kellen Cheng 鄭勝宇 Phone:E-mail: [email protected] Education Ming Chuan University, 2011 – 2015 Department of Information Management Professional Skills Backend : Ruby on Rails / Golang / Node.js / Sidekiq / Beanstalk / Backburner / Elasticsearch Frontend : JavaScript (ES5, 6) / HTML5 / CSS3 / Angular1 / Vue Database : Mongo / MySQL / PostgreSQL / Redis IDE : VScode Version Control : Git DevOps Tool : K8s / Docker / helm Testing Tool : RSpec / Jest CICD : Bitbucket Pipelines Work Experience Software Engineer, SHOPLINE Technology Corpora.on Limited,– Now Mentoring team members in implement new

Lint：BEM、Eslint Unti Test： Jest.js Builder：Gulp、Webpack.js、Esbuild.js Framework：Bootstrop5、Tailwind、jQuery、Vue.js、Nuxt.js、Vite、React.js、 Pixi.js、Three.js、AR.js、D3.js BackEnd Ruby Ruby On Rails Lint：Rubocop Test：Rspec、Capybara Cms：Drupal、WordPress Database：MySql、PostgreSQL 金流、API 串接 Other 參與 Git Flow 與 CodeReview 的經驗 特別注重單一功能原則（Single responsibility principle） 圖片一定要壓縮 自架 Apache、Nginx 經驗 SEO

與團隊理性溝通。 4.重視程式碼、技術的精進和進修。 5.喜歡與人一起Code Review的過程，勇敢面對不足，而調整自己。 Engineer Ruby on Rails RSpec Unit Testing, MySQL, PostgreSQL, MongoDB CSS(SCSS), NodeJS Service Linux (ubuntu) , nginx, Docker, AWS, UnitTest(RSpec), API Backend WORK EXPERIENCE 采馥虛擬科技, Ruby on Rails 網站維護與開發,~ 如今 ROR全端開發與維運，主要是

流串接 伺服器 Ubuntu 虛擬主機管理經驗 Apache、Nginx 網頁伺服器與反向代理 使用 Docker Compose 管理容器與建置 Docker Image 腳本工具使用經驗 其他 Rspec、Jest 撰寫單元測試 參與 Code Review SEO 基本概念 Linux Shell 參與 Scrum ChatGPT 魔法師 多個專案接案經驗 我與其他人的不同 自學精神，不斷成長