Lei Xiong
Senior Software Engineer Lead at Xiaomi Technology
Haidian District, Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolLei Xiong is a Senior Software Engineer Lead with 12 years of experience building high-throughput backend systems for consumer AI at Xiaomi, currently owning the XiaoAI core services that handle billions of daily requests. He leads development of the full voice-assistant pipeline—access layer, ASR/TTS, and NLP—optimizing throughput with Scala, Play, Akka and low-level async patterns while balancing rapid iteration needs. Lei also manages cross-device protocols and security for third-party integrations, a critical but often underappreciated part of large-scale voice platforms. His earlier work includes server-side AI features at Xiaomi and relevance and machine learning efforts at Microsoft, giving him strong product-facing and ML-inflected engineering experience. An active contributor to deployment tooling, he improved operability of Xiaomi’s Minos system with client enhancements, supervisor integration and targeted alerting. Based in Haidian, Beijing, he combines deep systems skills with pragmatic DevOps sensibilities to keep real-time AI services reliable at massive scale.
12 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Nanchang UniversityMaster of Computer Applications (M.C.A.), Computer Engineering, Master of Computer Applications (M.C.A.), Computer Engineering at South China University of Technology
English
Github Skills (8)
sup10
supervisord10
python10
deployment-automation9
devops9
logging8
configuration-management8
bash7
Programming languages (4)
Github contributions (5)
XiaoMi/minos
Nov 2013 - Jul 2014
Minos is beyond a hadoop deployment system.
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:74 commits, 1 comment in 8 months
Contributions summary:Lei's contributions primarily involve enhancing the Minos deployment system through code modifications in the `client` directory, which improved task management and scripting. They also focused on integrating supervisor management with the addition of puppet configuration files, demonstrating an understanding of infrastructure management. Furthermore, the user made various code adjustments related to logging levels, and implemented a personalized alert system for supervisor-related events. These changes improve the overall operability and maintainability of the Minos deployment system.
minosdevopsdeploymentdockerkubernetes
YxAc/gravitino
Feb 2024 - Mar 2025
World's most powerful data catalog service with providing a high-performance, geo-distributed and federated metadata lake.
Contributions:120 pushes, 46 branches in 1 year 1 month
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