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Lorence Tsai

Graduated from Tamkang University, major was in Information Management, I am a skilled and keen agile software developer, specialising in development, I use many different technologies to design and develop appropriate applications.


Domain
E-Commerce、 Insurance、Video Streaming、 Monitor Software、


Phone : 0986810117

Country : Taiwan
Email : [email protected]

Backend Skill


Main

  • .NET Framework / Core
  • .NET 5/6/7
  • Python
  • MSSQL 
  • MySQL



Infa Service

  • Drone/ Jenkins
  • AWS Lambda
  • AWS EC2
  • AWS SQS / Cognito
  • GCP GCE、GKE
  • GCP Logging


Other

  • Docker
  • RabbitMQ
  • Redis
  • GraphQL 
  • Socket
  • WebSocket
  • ETL
  • TDD

About ME


SA

Familiar with feasibility analysis and seek out best practices, have system flow drawing skill.


SD

Familiar with systems dev life cycle, possesses experience in agile development and quality delivery.


Management

Work across multiple projects in a fast-paced environment, leading tasks of various sizes and complexity

Employment Career

Angelsctek,  Backend Leader             Mar 2021 ~ Now

Build infa architecture with microservice and PCIDSS security authenticate

- Main technical: GCP、MySQL、NET 5/6、Python 

- Build CI/CD used Drone and Gitlab
- Build artifact architecture on CI/CD pipline

- Maintain Reverse proxy ( Nginx ) on GCP

- Maintain 20 instance and build security hardening on gcp

- Build mq system for work async and batch used RabbitMQ

Sellerlinx,  Backend Leader             Oct 2020 ~  Mar 2021

Implement Serverless, create infrastructure and work flow,
- Main technical: AWS、Python、MySQL.
- Create serverless api used lambda and api getway. 

- Design workflow on VS Code extension and aws cdk to deploy lambda layer. 

- Implement docker deploy to ecs.

- Implement validator and exception handler.

- Performance tuning for bulk create flow. 

- Integration shopee open api.

91APP,  Engineer,                                             May 2019 ~ Oct 2020

Learned high-load web applications and develop about cloud service. 

- Main technical: AWS、.NET Core、.NET MVC、Angular、Container. 

- Create web api for offline merge online. 

- Developed on bulk file import flow. 

- Developed ETL on flow. 

- Facebook offline convertion third party api integration. 

- Developed promotion system 

Tecyt, Engineer                                     Nov 2015 ~ Jun 2019

Learned system analyst, understand how to conceptualized planned and executed original design for a wide range of website properties.

- Main technical: .NET MVC、MSSQL、jQuery. 

- Lead project delivery of official web and cms(hiyes), used elasticsearch and WebSocket. 

- Lead project delivery of mechant report system(gamania),  

  Used UTM to trace user info for game merchant report. 

- Developed online insurance system(bolemei). 

- developed core library.

- Developed complex responsive official web. 

- Stationed at gamania, maintained streaming media(Coture)  used WebSocket. 

- Stationed at gamania, maintained crowdfunding platform(WeBackers).

Education

Tamkang University, Information management, 2011 ~ 2015