1. Designed and implemented the software architecture of multiple projects, including SaaS platforms, RESTapis and web applications.2. Built and managed the DevOps system, supporting more than 20 projects.3. Developed and built our micro-services and deployed to Alibaba Cloud Service.4. Developed the server side of our vehicle control platform, supporting drive cars remotely.

1. Design the architecture of the backend system for thousands QPS.2. Design and build RESTful and RPC services using Golang and Python.3. Implement api gateway using Nginx for access control and rate-limiting.4. Containerize services with docker and deploy services to Kubernetes.5. Build the CI/CD pipeline using Gitlab, Jenkins, Docker and Kubernetes. 6. Automate the test, build, and deployment processes. Improve development efficiency.7. Design and implement monitoring and logging system, using ELK, grafana and sentry. Altering system tight and locating program issues. Avoid system crashes and reduce debug time.8. Implement the data management platform for all of our services.9. Mentor junior developers and conduct code reviews to ensure code quality.

1. Design, build and deploy RESTful and RPC services for web browsers and mobile apps on AWS.

1. Design and implement the low latency system, including gateway server, IM server and logic server.2. Implement the network layer and communicate protocol between server and client using C++ on linux OS.3. Optimize game client to improve user experience.4. Build tools and automation scripts to ease our testing and operations.

1. Implement the low latency system for our online game.2. Design and implement the network layer and the protocol between client and server.