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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

Yang Li-Yi Senior Backend Engineer • TPE, TW • [email protected] A software engineer with over 7 years of experience. 6 years of Ruby on Rails experience along with 1 year of golang/node.js experience. Designed, developed and deployed web applications with maintainable code and high ratio of test code for stability. Skills Ruby on Rails RSpec Node.js Golang SQL jQuery Git AWS ElasticBeanstalk/EC2/S3/Lambda/SQS/ DynamoDB/code pipeline PostgreSQL/redis Docker Kubernetes Experience Senior Software Engineer/Team

features where different clients need different data. Keep business logic in one place. Design multi-tenant architecture and SaaS-enable applications for enterprises data isolation. Host and develop an admin panel from scratch based on SaaS architecture. Design and maintain tests for all web applications with RSpec. Maintain code coverage above 90%. SeptemberApril 2022 Full Stack Engineer(Ruby on Rails) • 得利購 Directgo Leading Website Redesign with 3 Engineers and 1 Designer. The Website still uses this novel design today. CI/CD and Automated Deployment using GitLab run on a

and combining the gamification strategy mechanism, users can learn by playing games. Teachers can see the student's learning statistical analysis in the teacher console. I was responsible for: Established a CI/CD process and a docker environment. Upgraded Rails 3 to Rails 4. Imported Rspec flow. Developed new features with Rails and React. Automated integration testing of a complement system. Created a server log record with AWS S3 and Athena. AIHAO, Rails software Engineer A consulting company founded by ihower Reviewed Amazon Interactive Video Service and Amazon Personalize to implement

Rayer Sung [email protected] Education Master degree, Economics, NTHUBachelor degree, Chemistry, NTUWork Experience Sr. Product Manager at CMoney | AugJun 2023 CMoney is the most famous investing software brand in Taiwan. I performed Sr. Product Manager of 股市爆料同學會、籌碼K線 and 價值K線，which's traffic was nearly 1M/60K/30K MAU respectively. My major contributions would be improving product user experience and introducing project management tool such as Jira/Asana to the team. Product Owner at Snapask | NovJun 2021

Analyst Intern • Taiwan External Trade Development Council JuneAugust 2019 Refactored ongoing web scrapping programs to enhance trading data collection procedures. Data Analyst • eBizprise OctoberJanuary 2019 Collaborated with eBizprise and developed medicine matching models for chain pharmacies and pharma (overall 80% accuracy, and 100%, 90%+, 80%+, and 70% respectively). Data Analyst • eBizprise Technology (TJ) MayAugust 2018 Conducted forecasting projects (75%+ accuracy) for various clients and partners, including FMCG, retail (e.g. Carlsberg Group), chain pharmacies, pharma, and supply chain (e.g. Philips), etc. Regularly maintained and refined ongoing models with novel