Justin Kao

Backend Engineer

 [email protected]

  0989-851-088

Selected skills

AWS Services EC2/ECS/ECR/Lambda, RDS, DynamoDB, ElastiCache (Redis, Memcache), SNS, SQS, CloudFormation/CDK.

API Services: TypeScript / Node.js / Express.js / Swagger 

CICD AWS CodePipeline / AWS CodeBuild / AWS CodeDeploy

Databases MySQL / AWS DynamoDB / MongoDB

Work Experience

Backend Engineer  •  LINE TV_巧克科技新媒體股份有限公司

February 2022 - Present

  • Designed self-hosted Ad-Delivery-System with up to 20k RPM.
  • Maintained and set up CICD with AWS CodePipeline and CodeBuild.
  • Managed micro-services using AWS Elastic Container Service (ECS) on Fargate, including deployment, scaling, and availability of containerized applications.
  • Developed micro-services with Node.js, Express.js and TypeScript, supporting Front-End and Mobile through RESTful API, with data stores including NoSQL, SQL, and cache.
  • Utilized AWS Lambda Serverless infra for light-weight services or routine jobs.
  • Experience VOD streaming and live streaming by HLS protocol.
  • Developed SSAI live streaming service and built infra by AWS CDK.

培訓後端工程師  •  AppWorks School

August 2021 - December 2021

  • Finished a Online Shop project with FrontEnd and mobile team
  • Created a side project StoComm, which is a forum for stock investors.

機構工程師  •  合勤科技 ZyXEL

March 2020 - June 2021

  • Expanded collaborations with suppliers to enhance the quality of organizational manufacturing processes.

機構工程師  •  鴻海精密工業股份有限公司

March 2018 - March 2020

  • Led a team of 4 to facilitate cross-departmental collaboration, implementing consumer electronic product manufacturing processes.
  • Participated in the development of textile-based consumer electronic product manufacturing processes and achieved a yield rate improvement of over 50%, while reducing the per-unit cost by $2.