Tzu-Kai Chou
Backend Developer
- Two years of experience working as a back-end development using PHP and Laravel Framework.
- Participate and be responsible for multinational large-scale projects: McDonald's, Bulgari and various brand questionnaire services and reporting systems in cooperation with European client ISC.
- Participate and be responsible for domestic large-scale projects: Hotai event registration platform, Audi point loyalty system, Newsletter and biomedical database system, Yahoo movie.
- SurveyCake questionnaire webhook connection application: Beanfun App connection, World Gym Zendesk connection, Farglory exclusive questionnaire connection.
Skills and Experience
- Core Skills: PHP, Laravel Framework, Python, Mysql, RESTful API
- Skills: Unit&Feature Testing, AWS Services, Gitlab CI/CD, Laradock, Design Pattern, ORM
- Tools: Git Flow, Postman, XDebug
- Backend development and Infrastructure
- Design DB table schema, migrations, index tuning, Read & Write separating mechanism.
- Design Cache mechanism.
- Experienced services building with multilingual, multiple time zone, multiple countries.
- Experienced AWS services, including SES, S3, SQS-FIFO, SNS, Presigned url.
- Experienced writing unit & feature testing.
Work Experience
25sprout, Backend Developer, since 2019
- The Restful API was developed to provide the back-end system and front-end website, and JWT was used to implement the front-end and back-end login verification mechanism.
- The background system role permissions function includes creating user roles and specifying the permissions of the role.
- The McDonald’s questionnaire negative feedback triggers the multilingual notification letter function, which is implemented using AWS SES, AWS SNS, AWS S3.
- The store level of Bulgari countries and regions uses closureTable to process the tree structure.
- Hotai activity questionnaire registration system, design activity, region tables and implement the queue mechanism.
- Newsletter system, design scheduled mailing, implement different mailing driver and record open, complaint, and bounced letters. Using AWS SES, SMTP, AWS SQS, crontab implementation.
- Biomedical database system, design startup, venture capital, talent tables, design login process, and connect with Google Map Geocode service.
- Audi point system, design products, shopping cart, stocks tables and APIs, implement scanning QRCode to exchange products mechanism.
- Vespa broadcast system, design broadcast notification table and mechanism, including membership, car rental, car purchase broadcast.
- 91App makeup website implementation Aws Presigned Url provides the front-end to directly upload files to S3.
- The exclusive questionnaire for Farglory implements crontab and shortening URL functions.
- Lexus OTP questionnaire, design OTP brief news verification mechanism, and connect with Every8D brief news service.
- Familiar with the OAuth2 process, and connect to third-party login (Fb, Google, Line, Apple).
- Implement design pattern, including strategy pattern and factory method pattern.
- Write Feature Testing for overall process testing, Unit Testing for Service/Repository layer testing.
Gabor, Backend Developer, 2018-08 ~ 2019-06
- E-commerce coupon website, implement profit sharing mechanism. Implement publishing points mechanism through event/listener.
- Yahoo movies implement DB Read & Write separation architecture. Implement the synchronization function of timetable and DB data from different sources (unix comm command). Timetable API uses Cache mechanism to avoid using constant third-party timetable XML.
