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4-6 years
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Taipei City, Taiwan
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4-6 years
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software engineer @商線科技有限公司 SHOPLINE 2019 ~ Present
・
資深軟體工程師
Within one month
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
Full-time / Interested in working remotely
4-6 years
銘傳大學MING CHUAN UNIVERSITY
・
資訊管理
資深軟體工程師 @貝殼放大2020 ~ Present
・
全端工程師
Within one month
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
Reputation Credits1
Employed
・
Not open to opportunities
Full-time / Interested in working remotely
4-6 years
中國科技大學(台北校區)
・
資料管理
後端工程師 @honestbee
資深後端工程師
Within three months
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
Employed
Full-time / Interested in working remotely
4-6 years
台灣大學 National Taiwan University
・
經濟學系
Backend Engineer @CMoney全曜財經資訊股份有限公司2023 ~ Present
・
Software Engineer
Within one year
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
Employed
・
Not open to opportunities
Full-time / Interested in working remotely
4-6 years
台灣大學-資訊工程學系
・
資訊工程Employed
Full-time / Not interested in working remotely
6-10 years
清華大學
・
資訊管理、服務科學
軟體工程師 @Bonio
軟體工程師
Within one year
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
Employed
・
Not open to opportunities
Full-time / Interested in working remotely
4-6 years
Chief Executive Officer & Co-Founder @QTCOMM2020 ~ Present
・
Startup and investment
Within one month
Employed
・
Open to opportunities
Full-time / Interested in working remotely
6-10 years
National Taiwan University of Science and Technology
・
Industrial Management
產品經理 @CMoney全曜財經資訊股份有限公司2022 ~ 2023
・
產品經理
Within one month
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
Full-time / Not interested in working remotely
10-15 years
清華大學
・
經濟
AI Engineer @InterAgent2020 ~ Present
・
數據分析師
Within one year
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
Employed
Full-time / Interested in working remotely
4-6 years
清華大學
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Definition of Reputation Credits
Technical Skills
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Problem-Solving
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Adaptability
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Within one month
software engineer @ 商線科技有限公司
商線科技有限公司 SHOPLINE
・
2019 ~ Present
Professional Background
Current status
Job Search Progress
Professions
Other
Fields of Employment
Work experience
4-6 years
Management
Skills
Languages
Job search preferences
Positions
資深軟體工程師
Job types
Full-time
Locations
Remote
Interested in working remotely
Freelance
Educations
School
銘傳大學MING CHUAN UNIVERSITY
Major
資訊管理
Kellen Cheng 鄭勝宇
Phone: 0988-750-149
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, 2019.3 – Now
- Mentoring team members in implement new features on the new architecture.
- Planing the roadmap for the next quarter and content of Promotion Feature revamp with the tech leader.
- Develop and maintain e-commerce platform, co-work and communicate with PM and DevOps, Front Engineers.
- Set up CI/CD for the new project and cooperate with DevOps.
- Co-work with cross border team.
- Develop and research the last technology. (Transfer from Ruby on Rails to NestJs and Golang).
Projects:
- Calculate api - is a micro service for calculate promotions discounts with checkout.
- Mentoring team members implement new promotion features.- Implementing backend application with Golang, and use fx package make feature modularize.- Implementing application connect MongoDB and use ODM(mgm).- Implementing application connect PostgresSql and use ORM(bun).- Using gRPC to tandem core system.- Implementing monitor with Grafana and New Relic.- Implementing CICD with bitbucket pipeline and terraform create CD role.- Implementing Auto Scaling with helm and AWS EKS.
- Cart service - is a micro service for storing the shopping cart data.
- Researching AWS RDS for make service can accept 5000 rpm data , and setup postgreSQL by terraform. and using TypeORM transaction set serializable isolation to avoid race condition.- Implementing backend application from search NestJS, Typescript, TypeORM and PostgresSql, develop all function independently within half a year.- Using gRPC to tandem core system.- Implementing monitor with Grafana and New Relic.- Implementing CICD with bitbucket pipeline and terraform create CD role.- Implementing Auto Scaling with helm and AWS EKS.
- CRM Feature module - it contains multiple promotions and CRM feature.
- Optimizing checkout time by enhance apply promotion calculation time, 40% reduction in required time by filter out cannot apply promotions, ex: invalid products or category, or invalid coupon code.- Develop and maintain multiple promotion application logic, ex: priority order, full item, full amount. calculate the maximum discount amount, and modularize various types of discounts to reduce the modified test range.- E-commerce user credit and member point apply to discount order total amount.
- Sync Social User - is an AWS API Gateway to pass social platform user data enqueue AWS SQS, and dequeue by ruby worker.
- Building API Gateway and SQS with Terraform.- Implementing dequeue worker with ruby gem shoryuken.- Cooperating with cross border team for sync social platform data.
- FB live shopping - sync j live shopping cart data to core system
- Implementing deployment AWS Lambda storing shopping cart data to DynamoDB with serverless.yml.- Integrate fb live cart and e-commerce shopping cart with cross border team.
- Cross border 7-11 pick up/post - Integrate 7-11 api to implementing cross border delivery
- Tandeming 7-11 cross border api.- Collaborating with 7-11 engineer and PM to implement logistic functions.- Using deploy job(Backburner) to get shipping label.
- Job Service - is for Import a great amount of data.
- Using Sidekiq to duque greate amount data, ex. 30000 users, 20000 products.
Software Engineer, OneAD Inc., 2016.10 – 2019.2
- Implementing new feature with UIUX Design, Specialist and PM.
- Develop Target Audience feature, ex: area, environment, age and interesting.
- Building new Advertisement system front-end using Vue.js.
- Maintain existing ERP system using Ruby on Rails and Angular1.
Intern Software Engineer, International Integrated Systems, Inc., 2015.2 – 2015.7
- Develop banking terminal System Front end using angular1 and Discuss requirements with System Analyst.
Kellen Cheng 鄭勝宇
Phone: 0988-750-149
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, 2019.3 – Now
- Mentoring team members in implement new features on the new architecture.
- Planing the roadmap for the next quarter and content of Promotion Feature revamp with the tech leader.
- Develop and maintain e-commerce platform, co-work and communicate with PM and DevOps, Front Engineers.
- Set up CI/CD for the new project and cooperate with DevOps.
- Co-work with cross border team.
- Develop and research the last technology. (Transfer from Ruby on Rails to NestJs and Golang).
Projects:
- Calculate api - is a micro service for calculate promotions discounts with checkout.
- Mentoring team members implement new promotion features.- Implementing backend application with Golang, and use fx package make feature modularize.- Implementing application connect MongoDB and use ODM(mgm).- Implementing application connect PostgresSql and use ORM(bun).- Using gRPC to tandem core system.- Implementing monitor with Grafana and New Relic.- Implementing CICD with bitbucket pipeline and terraform create CD role.- Implementing Auto Scaling with helm and AWS EKS.
- Cart service - is a micro service for storing the shopping cart data.
- Researching AWS RDS for make service can accept 5000 rpm data , and setup postgreSQL by terraform. and using TypeORM transaction set serializable isolation to avoid race condition.- Implementing backend application from search NestJS, Typescript, TypeORM and PostgresSql, develop all function independently within half a year.- Using gRPC to tandem core system.- Implementing monitor with Grafana and New Relic.- Implementing CICD with bitbucket pipeline and terraform create CD role.- Implementing Auto Scaling with helm and AWS EKS.
- CRM Feature module - it contains multiple promotions and CRM feature.
- Optimizing checkout time by enhance apply promotion calculation time, 40% reduction in required time by filter out cannot apply promotions, ex: invalid products or category, or invalid coupon code.- Develop and maintain multiple promotion application logic, ex: priority order, full item, full amount. calculate the maximum discount amount, and modularize various types of discounts to reduce the modified test range.- E-commerce user credit and member point apply to discount order total amount.
- Sync Social User - is an AWS API Gateway to pass social platform user data enqueue AWS SQS, and dequeue by ruby worker.
- Building API Gateway and SQS with Terraform.- Implementing dequeue worker with ruby gem shoryuken.- Cooperating with cross border team for sync social platform data.
- FB live shopping - sync j live shopping cart data to core system
- Implementing deployment AWS Lambda storing shopping cart data to DynamoDB with serverless.yml.- Integrate fb live cart and e-commerce shopping cart with cross border team.
- Cross border 7-11 pick up/post - Integrate 7-11 api to implementing cross border delivery
- Tandeming 7-11 cross border api.- Collaborating with 7-11 engineer and PM to implement logistic functions.- Using deploy job(Backburner) to get shipping label.
- Job Service - is for Import a great amount of data.
- Using Sidekiq to duque greate amount data, ex. 30000 users, 20000 products.
Software Engineer, OneAD Inc., 2016.10 – 2019.2
- Implementing new feature with UIUX Design, Specialist and PM.
- Develop Target Audience feature, ex: area, environment, age and interesting.
- Building new Advertisement system front-end using Vue.js.
- Maintain existing ERP system using Ruby on Rails and Angular1.
Intern Software Engineer, International Integrated Systems, Inc., 2015.2 – 2015.7
- Develop banking terminal System Front end using angular1 and Discuss requirements with System Analyst.