Alex Xu

Alex Xu is a member of the technical staff at SpaceXAI. Previously, he worked as a software engineer at Meta and completed software engineering internships at Facebook.

Career

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Based in: New York City

SpaceXAI

Jun 2025 — Present

Member of Technical Staff

University of Pennsylvania

Master's studies in software

University of Pennsylvania

Bachelor's studies in software

Lynbrook High School

Products & media

blog.bytebytego.com

New System Design YouTube Channel

An announcement introducing ByteByteGo’s video series on system design topics, from databases and messaging systems to designing familiar services.

Writing

blog.bytebytego.com

How to Improve API Performance

A concise guide to five API performance techniques, including pagination, asynchronous logging, caching, compression, and connection pooling.

Writing

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Alex Xu

SpaceXAI

Meta

Software Engineer

Software Engineering Intern

Software Engineering Intern

University of Pennsylvania

University of Pennsylvania

Lynbrook High School

Products & media

New System Design YouTube Channel

How to Improve API Performance

Curated Lists

List Inclusions