Software Architect & Backend Engineer at Baidu Inc., Beijing, China (2020–2024); promoted from T3 → T4 (2021) → T5 (2023)
Developed high-performance C++/brpc web services for large-scale search infrastructure, handling millions of queries daily
Built LLM access control and monitoring systems for Ernie Bot/WenXinYiYan using Golang, Redis, and MySQL, ensuring security and reliability in production
Designed Kafka-based real-time streaming pipelines for large-scale data indexing and ingestion
Led architectural decisions for high-throughput, low-latency distributed systems serving billions of requests