Sophia Xie
Principal Engineer at Ripple
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolSophia Xie is a Principal Engineer in San Francisco with over 25 years of experience designing large-scale software architectures and driving end-to-end performance engineering. She currently leads platform-level engineering at Ripple after heading performance engineering for Salesforce’s LiveMessage Service Cloud and serving as the sole performance lead for award-winning mobile products at Verizon Wireless. Her expertise spans JVM and Java tuning, TCP/IP stack optimization, load simulator development, SQL and OS-level performance, and production deployment sizing for high-throughput systems. Sophia combines deep systems-level diagnostics with pragmatic architecture choices, routinely bridging application frameworks to network and OS layers to extract predictable performance at scale. She holds an MS in Computer Science from Northeastern and a BS in Mechanical Engineering, a background that contributes to her analytical, cross-disciplinary approach to complex systems. Colleagues note her rare ability to translate low-level performance data into actionable architecture and capacity-planning decisions.
3 years of coding experience
22 years of employment as a software developer
BS Mechanical Engineering, BS Mechanical Engineering at University of Shanghai for Science and TechnologyMS Computer Science, MS Computer Science at Northeastern University
Github Skills (10)
crypto10
cryptocurrency10
daemon10
xrp10
ledger10
cpp10
cryptography10
blockchain10
api6
api-server4
Programming languages (1)
Github contributions (4)
sophiax851/rippled
Jan 2023 - Mar 2025
Decentralized cryptocurrency blockchain daemon implementing the XRP Ledger protocol in C++
Contributions:19 pushes, 7 branches in 2 years 1 month
cppconsensusdaemonblockchainxrp-ledger
ripple/RX-Performance-Public
Dec 2023 - Dec 2023
Contributions:4 pushes in 1 day
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