蔡承佑 Chengyu Tsai
7+ years working experience in software development. Now work on-site in Kono as a Fullstack Engineer, responsible for system design, development and integration.
Familiar with Ruby on Rails, Node.js, Javascript etc.
Problem solver, team-oriented, effective communicator. Enthusiastic in coding.
Taipei，TW
[email protected]
0931-070226
技能 Skills
- Backend: Node.js, Ruby on Rails, PHP, Python
- Frontend: Javascript, React/Redux, CSS
- Database: MySQL, MongoDB, Redis
- Web server: Nginx, Apache
- Testing: Selenium, Mocha, Rspec, Locust
- Version Control: Git
- AWS: EC2(Load Balancing, Auto Scaling), ECS, RDS, DynamoDB, ElastiCache, Lambda, API Gateway, VPC, CloudFront
學歷 Education
國立台北科技大學, 碩士學位, 互動設計, 2009 - 2011
National Taipei University of Technology, 2009 - 2011
Master of Design
東海大學, 學士學位, 資訊管理, 2006 - 2009
Tunghai University, 2006 - 2009
B.S in Information Management
經歷 Work Experience
Kono，2019 年 12 月 - 至今
Tech Lead / Fullstack Engineer
- Skills: Ruby on Rails, React/Redux, AWS
PChome，2019 年 8 月 - 2019 年 11 月
Supervisor Engineer
- Plan and rebuild PChome value added services.
- Integrate Pi Mobile payment.
- Skills: PHP(Phalcon), MySQL, Oracle RDBMS, Redis, Git
Eatpire，2018 年 6 月 - 2019 年 7 月
Backend Engineer
- Plan, design and develop the member system and each services.
- Provide APIs for service flow, authorization, SSO service etc.
- Integrate Cathay Bank, ezPay online payment services.
- Meet with PM and Sales to clarify the requirements, and define the specifications.
- Lead and collaborate with UI designer, frontend engineer, iOS engineer and Android engineer.
- Skills: Node.js, MySQL, Git, AWS EC2, RDS, Lambda, API Gateway
寶悍運動平台 pb+，2016 年 9 月 - 2018 年 6 月
Backend Engineer
- Refactor the pb+ member system to improve server efficacy and lower the cost, based on 300 thousand members.
- Integrate pb+ platform services with SAP and tixCraft.
- Provide APIs for service flow, authorization, SSO service etc.
- Integrate Allpay online payment services.
- Develop customer service and operations systems.
- Collaborate with PM, 3 UI designers, 2 frontend engineers, 2 backend engineers, 1 iOS engineer and 1 Android engineer in multi projects simultaneously.
- Skills: Node.js, Python, MySQL, AWS EC2, RDS, DynamoDB, Lambda, API Gateway, CloudFront
CAPCOM TAIWAN，2013 年 8 月 - 2016 年 8 月
Web development Team Lead
- Lead web development team to develop web services and customized web projects.
- Meet with PM, Marketing and Sales to clarify the requirements, and define the specifications.
- Assign tasks and ensure team capacity.
- Design and develop new features to CAPCOM member system, and varied web applications.
- Maintain and enhance efficacy of CAPCOM web services for 1 million members.
- Integrate Sony PlayStation Network services.
- Maintain and develop new features to customer service and operating systems.
- Design and develop the CAPCOM web shop, remained stable profit since lunched and has brought more than 100 million revenue.
- Made plans for web projects to ensure operating goals.
- Skills: PHP(CodeIgniter), MySQL, Redis, Javascript, jQuery
Gorilla，2012 年 12 月 - 2013 年 8 月
QA Engineer
- Software project/product installation & environment set up.
- Prepare test cases and perform testing.
- First-line technical support to customers.
- Skills: Python, Selenium
專案 Projects
Kono Libraries
提供企業﹑公共或大專院校等圖書館使用方案，減低無紙化訂借閱管理成本，跨裝置閱讀，一站式滿足人資及圖書館單位雜誌採購需求。
使用技術:
Ruby on Rails﹑Reac/Redux﹑MySQL﹑AWS
Eatpire 美食社群與回饋平台
規劃美食回饋平台架構與資料庫，並開發 RESTful API。
使用技術:
Node.js﹑MySQL﹑AWS EC2﹑RDS﹑serverless﹑AWS Lambda﹑API Gateway
CAPCOM 線上商城
遊戲道具販售系統與資料庫規劃開發，上線後穩定運作且營收超過一億元。
使用技術:
PHP(CodeIgniter)、ＭySQL、Javascript、jQuery、HTML、CSS
pb+ 線上運動賽事直播
規劃架構與資料庫，並開發 RESTful API，2017球季線上同時觀看人數達３萬人。
使用技術:
Node.js﹑MySQL﹑AWS EC2﹑RDS﹑DynamoDB﹑CloudFront
pb+ 運動募資
規劃資料庫與 Serverless 架構，開發 API。上線後首個專案「百轟募百萬」，成功為「球芽基金會」募得100萬元募款。
使用技術:
Node.js﹑MySQL﹑serverless﹑AWS Lambda﹑API Gateway﹑RDS﹑DynamoDB
