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LEON, XIANG LI

Senior Software Engineer | Cloud & Data Platform Architect

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Biography

I am a Software Engineer at Meta (Integrity Org), working on Social Issues and Electoral Protocols. My focus is on ensuring content integrity, compliance, and transparency for paid contents at a massive scale.

Previously at Microsoft, I architected mission-critical data pipelines and operational databases. I specialize in Distributed Systems and building scalable infrastructure to reduce harm and ensure user safety.

Current Mission: Maintaining integrity and transparency in enforcement protocols across Meta's platforms.

Experience

Aug 2025 - Present

Software Engineer

Meta (Menlo Park, CA)

Working on Social Issues and Electoral Protocols for Paid Contents. Ensuring content integrity, compliance, and transparency in enforcement protocols to reduce harm to users across all platforms.

Apr 2024 - Aug 2025

SDE

Microsoft (Redmond, WA)

Led backend operational database infrastructure for Azure's GPU Hub Deployment. Migrated legacy systems to SQL DB on Azure with zero downtime. Developed Infrastructure as Code (IaC) for automated resource deployment.

May 2021 - Apr 2024

SDE

Microsoft (Vancouver, BC)

Led development of Time Series Anomaly Detection System processing terabytes of data. Architected scalable microservices using CosmosDB and Azure Container Services. Built unified ML platform on Azure Synapse and Spark.

Jun 2016 - May 2021

SWE

Intel (Toronto, ON)

Created interactive heatmap reports for Quartus software using Qt(C++). Optimized hierarchical data parsing, reducing reaction time from ~10min to <1s for 50M+ entries. Designed modular software components for reuse.

Technical Skills

Languages

PythonC++JavaSQLBicepYaml

Cloud Platform

Azure Data FactorySynapseAzureMLAKSDockerSparkKafka

Engineering

Distributed SystemsMicroservicesData PipelinesIaCOOP

Education

University of Toronto

Master of Engineering, Computer Engineering

Jan 2016 - May 2017

Hong Kong University of Science and Technology

Bachelor of Engineering, Electronic & Computer Engineering

Sep 2011 - May 2015

Photography

Moments captured from my travels

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