· Functional Team Lead (5-person team)

· Developing service architectures using cloud-native technologies like AWS and Google Cloud Platform.· Developing systems in Python and Golang to prevent outages through automation, monitoring and alerting.· Participating in an on-call rotation to address outages and incidents.

Lead TA for Data Science Engineering Methods and Tools

·Developed a Continuous Deployment (CD) System which upgrades hours of manual deployment to auto-deployment in minutes. It renders Helm Charts and deploys application into kubernetes (k8s) cluster triggered by Cont. Integration (CI). Implemented APIs for querying deployment status and public endpoints. ·Designed multiple middleware services including MongoDB Sharded Cluster, MySQL, Zookeeper and Redis.·Orchestrated Helm Charts for complex application with support for workload creation and replication according to specific parameters. Achived startup in dependent order and configured Rolling Update strategy·Implemented CD feature for company’s own DevOps platform using k8s, Spring Cloud and Vue. ·Optimized algorithm for large-scale server management and increased server usage 10 times while effectively reducing serve expenses. It automatically calculates the usage of hundreds of servers and generates weekly cost report for each department.

· Developed a Parking Lock Battery Management System to estimate battery life with automatic batch computing, lock analysis and SMS notification to users with low battery locks· Analyzed and modeled up to 1.6 million records, designed an algorithm to estimate battery voltage curve based on historical data, and optimized model parameters with Theano· Developed a WeChat mini program (mobile web application) to fetch the latest firmware from server and load it into locks via Bluetooth· Implemented synchronization between production database and test database· Operated and maintained cloud server with Tomcat and Nginx