AI Education Platform

Professional work at ZhiHui BianJie (Beijing) Technology Co., Ltd. (May 2023 - Aug 2024): **Team & Role**: - Worked with 5-person engineering team - Contributed to architecture, ML models, and backend services - Learned technical leadership through doing **Technical Contributions**: - Built microservices with FastAPI and PostgreSQL - Deployed BERT-based Chinese text classification models - Set up CI/CD with GitHub Actions and Docker - Implemented monitoring with Prometheus and Grafana - Optimized inference latency through quantization and ONNX - Built Redis caching layer for frequently accessed data **What I Learned**: - Production ML deployment challenges - Database optimization (learned the hard way when queries slowed down) - Monitoring and incident response - Working with a team vs. solo projects **Limitations**: Cannot share specific metrics or code due to company confidentiality. Descriptions based on my contributions, not claiming sole responsibility.