Derek Chan Email & Phone Number

Johns Creek, Georgia, US

Waterloo, Ontario, CA

• Modernize file processing backend, rewriting many services in Go, culminating in four containerized backend services released to production. Design is capable of serving scores at ten thousand requests/second and.
• Deliver updates to backend that enable more accurate ML classification of multiarchitecture binaries, improving the customer experience by reducing false positive rate.
• Reduced pager alerts from several times a quarter to fewer than two per year by addressing unhandled errors and deduplicating retry queue.
• Improved the classification accuracy of ML models with an automated workflow for pushing updates to them, reducing update cadence from one month to one week.

Waterloo, Ontario, CA

• Facilitate bidirectional connectivity of devices to EDR backend via WebSockets, ensuring infrastructure scales to support millions of active connections.
• Modify endpoint command sender service to push requests to devices asynchronously, eliminating request timeouts that would occur when sending to 10k+ devices.
• Design and develop features for Remote Response, enabling administrators to rapidly inspect devices under their protection via a terminal in their web browser.
• Collaborate with support team to investigate the root cause of issues that have escalated to the engineering team, decreasing issue resolution turnaround time by several weeks.
• Develop and maintain EDR data ingest pipeline, ensuring proper scaling with millions of devices uploading tens of millions of events to streams each day.

Waterloo, Ontario, CA

Frisco, TX, US

• Manufacturing Automation - Implement and deploy next generation automation platform.
• Implemented an interface between Sentient’s new automation platform and a meshnetwork radio configuration server using Python.
• Maintained legacy automation code by increasing code’s robustness when communicatingwith attached test equipment and devices under test, contributing to 15% highermanufacturing capacity using existing infrastructure.
• Refactored top level assembly test software and upgraded it to interface with a new testframework and web application. Used the decorator design pattern to facilitate code reuseand lower overall code complexity by.
• Architect a controller module for Landys and Gyr Integrated Wangate Radios, enabling automatic radio network switching based on the MM3's currently under test, enabling a constant number of IWR's to support an.

San Jose, CA, US

Specify requirements for test programs to provide the ability to test the newest, cutting edge features being added to our drive products. Ensure existing test programs are up to date and capable of validating high capacity drive configurations. Interface with the drive program teams to communicate schedules and assess readiness for OEM Qualification and.

Collaborated with company founder to write the FAQ section of Knowji Vocab App for iOS, providing documentation from a high level perspective of the program’s features. Implemented several macros written in Visual Basic and PHP to automatically parse and organize thousands of data entries in Excel worksheets and titles of image files, saving hours of.