Alexander Ng
Software Engineer | EECS @ UC Berkeley \'23
- Role
- Software Engineer Ii at Walmart Global Tech
- Location
- Sunnyvale, CA, US
- LinkedIn followers
- 500 followers
About Alexander Ng
Software Engineer specializing in large-scale distributed systems and data…
Experience
Software Engineer Ii
Feb 2024 — Present · Sunnyvale, CA, US
Developed a machine learning–driven demand forecasting pipeline processing over 90 billion rows of distribution data, leveraging tree-based regression and advanced exponential smoothing to automate predictions and enhance inventory planning.• Migrated and optimized datasets in Google Cloud Storage, supporting 7M rows of safety stock demand forecasts. • Enabled faster, more reliable analytics for distribution systems and replenishment planning.• Led development of an event-driven purchase order management system for distribution operations, processing 1.7M replenishment orders with optimized batch scheduling to achieve a maximum daily compute time of just 3 hours. • Resolved critical Kafka threading/data loss and PostgreSQL indexing infrastructure issues, improving sql query times by 90%(2 hours → 15 minutes) and preventing 30% of recurring maintenance issues.• Spearheaded Disaster Recovery compliance across 265 applications, reducing downtime impact by 8%.
Education
University of California, Berkeley
Bachelor of Science - BS, Electrical Engineering and Computer Science
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