Christopher Kao Email & Phone Number

San Francisco, California, Us

Fleet On-Road Management team

Menlo Park, Ca, Us

Facebook Marketplace, Recommendation & Delivery Infrastructure· Wrote C++ local model management to load hundreds of machine learning models locally on production servers.· Added config with ML model memory estimates and per-deployment memory budgets; implemented ranking mechanism to prioritize loading ML models used in production over ones used in experiments.· Updated Marketplace Reaper (Python) to discover ML models that have not received traffic in 7 days, and create tasks for those model owners to clean up models from configs to free capacity on over 100 unused model versions.· Built a Chronos job that BigGrep's through model configs for ML features and updates the feature serving config.

· Developed microservice to automate employee onboarding/offboarding with Windows Active Directory, Jira, Google API.· Wrote notifications microservice to send templated emails and Slack messages to hiring managers, offboarding managers.· Designed laptop asset management system with Java Dropwizard microservice, Jamf Pro API, Jira API, MySQL database.· Created dashboard services system to inform employees about third-party SaaS applications disruptions/outages.· Built React application with Ant Design framework for employees to interact with our team’s backend microservices.· Wrote Python Airflow DAGs to automate employee onboarding/offboarding, asset sync, Windows Active Directory sync.· Wrote automated tests for database queries and schema using Mockito and MySQL Testcontainers.· Mentored summer intern to build an app that schedules employee coffee chats based on their Google Calendar availability.· Interviewed 30 software engineer candidates in communication and system design.

San Francisco, California, Us

· Wrote Robot Operating System Python nodes to send location, network latency, and health from robot to React app.· Wrote HTTP endpoints, websockets, and logic for Python flask app that runs on autonomous excavator robot.· Wrapped React app with Electron to send UDP keyboard controls to robot node which publishes joystick messages.· Designed system of GO server endpoints for React app to discover nearby robots and decrypt IP-protected computers.· Wrote ROS action server that sends a catalog of available robot actions as recursively simplified JSON objects.· Traveled to wind turbine and solar construction sites in Colorado and Florida to test UI/Infrastructure and teleoperation.

Philadelphia, Pennsylvania, Us

· Started a commercial real estate aerial photography company and grew it to six-figure revenues with a team of 3.· Developed 360 degree drone panoramas based on krpano Panorama Viewer XML library to help clients showcase condo views.

· Combined linear dynamic and pure-pursuit waypoint-following models to predict autonomous racecar’s near-future pose.· Set up 6 Traxxas remote control cars with onboard Nvidia TX2 computers, lidar sensors, cameras, and speed controllers.· Developed and assistant taught new autonomous driving course through the University of Pennsylvania mLab.· Created labs to teach autonomous racing class SLAM lidar matching, pure pursuit, and wall following algorithms.

· Created Angular JS web app to help patients find skilled nursing facilities for post-acute treatment· Built Express.js REST server to manage 15,000 U.S. skilled nursing facilities in MongoDB database· Met with over 20 doctors, health insurance directors, skilled nursing facility directors, and nurses for pilot at St. Jude hospital in Fullerton, CA. · Koazie was accepted to the Innovation Lab in Newport Beach, CA with funding from the St. Joseph and Kaiser Permanente healthcare systems.

Master'S Degree, Robotics

Bachelor'S Degree, Economics

Bachelor'S Degree, Computer Science

High School, Computer Science