Hello world, my name is

Khoa Nguyen
a Software Engineer

at Microsoft based in the U.S. I have serious passion for building stuff and scaling things. I also love solving algorithm challenges.

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Workplaces

Where I’ve Worked

Scale team - Mountain View, CA | 2021 - Present

Focusing on the load balancing & efficiency problems for the Office product’s backend service with C#, Azure Data Explorer & other tools.
Investigating and scaling the services to support near real time classroom scale collaboration in Office Web App.
Integrating services to reduce cost by increasing Machine Utilization and fixing CPU spikes to reduce the overall number of machines.

Message team - Seattle, WA | 2019 - 2020

Designed and integrated solution to protect chat platform from overloaded traffic
Utilized AWS Lambda functions to be triggered by DynamoDB Streams, CloudWatch Events rule & uploaded to AWS S3 with Java
Implemented a real-time log analysis tool that allows users to submit metric data, used AWS SES to send reminder emails for pending requests and SNS for notifications
Technology stack: Java, Ruby, JavaScript, AWS

Cloud team - Frisco, TX | 2018 - 2019

Developed and built data visualization dashboard to automatically monitor system availability, visualize all KPIs of the same node types and alert on differences 24/7
Scaled, formatted large datasets (1M rows) and accomplished 91% productivity improvement
Implemented checker to improve phone numbers’ data search for multiple teams
Technology stack: Java, Python, PHP, JavaScript, AWS, Azure