Jack Niu
Software Engineering Manager at Meta
United States
Summary
🤩
Rockstar🎓
Top SchoolJack Niu is a seasoned software engineering manager with a decade of experience building and scaling ads infrastructure and ML-enabled serving systems at industry leaders like Reddit and Meta. He combines hands-on backend expertise (Go, Python, Java, Kafka, Kubernetes) with people leadership—growing teams, mentoring engineers from junior to staff, and driving SLO-driven delivery across complex data pipelines. At Reddit he led ads serving, pacing, and experimentation efforts that targeted >99.9% SLAs and improved CI/CD, test coverage, and deployment velocity; his contributions also include backend work on historical projects such as the reddit codebase. Jack pairs technical breadth—from ML infra to cloud (AWS/GCP/BigQuery)—with formal leadership training from Harvard Business School Online, and has a strong systems foundation grounded in an MS in Computer Software Engineering from Peking University.
10 years of coding experience
15 years of employment as a software developer
Bachelor's degree Materials Engineering, Bachelor's degree Materials Engineering at Tongji UniversityCertificate of Specialization in Leadership and Management Organizational Leadership, Certificate of Specialization in Leadership and Management Organizational Leadership at Harvard Business School OnlineMS Computer Software Engineering, MS Computer Software Engineering at Peking University
Github Skills (13)
reddit10
back-end-development10
python10
api-design9
authorization9
user-authentication9
authentication9
authorizations9
json9
javascript8
testing8
template-engine7
templater7
Programming languages (3)
Github contributions (5)
reddit-archive/reddit
Apr 2016 - Jun 2016
historical code from reddit.com
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 3 pushes, 1 comment in 2 months
Contributions summary:Jack primarily focused on back-end development, as evidenced by changes in API controllers, template modifications, and event handling logic. They implemented features related to message handling, including deletion operations and email sharing restrictions. Furthermore, the user made improvements to authentication and authorization processes, and also adjusted API responses for error handling and data formatting. The user also contributed to unit and functional tests.
pythonprawjavascripthistoricalarchiver
jackniu1/reddit-mobile
Sep 2016 - Nov 2016
Contributions:13 pushes, 1 branch in 1 month
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