DevOps: ● DevOps roadmap planning and task prioritize. ● Manage 3 team members and coordinate with different teams remotely. ● Orchestrated production micro services release flow automatically. ● Develop and operating micro-services on AWS ECS, including CI/CD, trouble shooting and operation. ● Reduce 40% API latecny by tuning API-Gateway plugin. ● Introduce and integarte OpenTelemetry in all backend micro services to improment service observation. ● Analysis access log and provide valuable risk report. ● Develop service insight report from different point of view. ● Design and implement AWS RDS credential rotation process for meet the best practice on AWS. ● Manage multiple environments on AWS by Terraform. ● Maintain Alert system on AWS by using CloudWatch, SNS, and Slack integration. ● Tooling for different teams. Backend: ● Design and implement high concurrency encryption services by Go wit json-RPC. ● API Gateway(Kong) Plugins development and performance tuning. (Lua/Go) ● Develop API Gateway(Kong) for new security features. ● Develop cutomized API rate-limiting policy with different subscription plan. ● Risk IP behavior detection and blocking.

Backend engineer: ● Maintain and develop Yahoo! International FrontPage Recommendation & Personalization stream based on Vespa ● User behavior analysis (Hive, PySpark)

Infra/Backend: ● Design and implement core libraries for OTT based backend. (Golang, MySQL) ● Design and implement APIs for OTT projects. (Golang, GoBuffalo, GraphQL) ● Adopt AWS ECS solution on production service and implement Blue/Green deployment strategy to reduce provision/operation efforts. (AWS ECS Fargate) DevOps evangelist: ● Advocate Infra-as-code concept cross teams, and at least 4 projects adopt it. (https://medium.com/kkstream/infrastructure-as-code-如何改善我們的生活品質-ee11e9d67b71) ● Build-up re-useable and parameterize AWS template to different projects from scratch. Provision isolated environments (test/staging/production) web-based infrastructure in 1-Click (AWS CloudFormation) ● Seamless migrate online service with CloudFront and reduce up to 20% cost. (https://medium.com/kkstream/使用-cloudfront-s3-打造-video-streaming-service-e53549927932) ● Internal AWS training for new comers and HR (AWS advanced architecture, AWS well architected framework, https://medium.com/kkstream/好文翻譯-你在找的是-sre-還是-devops-2ded43c2852) ● Speaker in DevOps Taiwan - Monitoring Tools 大亂鬥 SRE: ● Build up on-demand, isolated and all-in-one development environment for each developer in 1-Click. (CloudFormation, OpsWorks) ● On-call rotation and handle urgent service issues, yearly SLO is 99.98%. ● Reduce AWS monthly cost by purchasing RI, S3 life cycle configuration and AutoScaling optimization. ● Refine legacy CI/CD process by migration Jenkins to Gitlab runner. ● Act team lead for team building(interview, recruiting) and new hire bootcamp. Honors: KKStream Extra-miles reward - 2018 Q1 KKStream Extra-miles reward - 2018 Q2

● Migrate and re-design on-premises services to AWS with scalable, HA and reduce at least 50% costs. (S3, EC2, ELB/ALB, AutoScaling, SQS) ● Design and implement Infra-as-code and config-as-code with teams. (CloudFormation, OpsWorks) ● Build-up CI/CD process. (GitHub, CircleCI) ● Design and implement monitoring and alerting system on AWS. (Lambda, SNS, CloudWatch) ● AWS infrastructure management(IAM, SecurityGroup, VPC, DirectConnect)

Backend engineer ● Design and implement distributed data process and analysis system. (Python) ● Design and implement RESTful API. (Flask) ● Build and manage vSphere server for isolated Lab environment. ● Release manager for TrendMicron anti-spam Engine.

Software Engineer in Test ● Designing test plan, test case, and test report for TrendMicro Anti-Spam Engine. ● Implement test program (C/C++) and automation test framework (perl) to test TrendMicro Anti-Spam Engine. ● Troubleshooting for both product team and enterprise customer. ● Deliver Trend Micro Anti-Spam Engine v6.0, v6.5