Haishuo Chen

Senior Engineer @WD

CA, US

Led BFF architecture of LLM Agent platform using Claude (via AWS Bedrock), MCP, FastAPI, GraphQL, ensuring scalability and real-time responsiveness, helping knowledge retrieval plus data insights on hardware roadmap and factory data analysis, slashing engineer hours per month.2. Implement an event-driven distributed system backend using Typescript, Kafka, Kubernetes, RESTful APIs, integrating MemSQL, Elasticsearch and ActiveScale(AWS S3 equivalent), supporting 30+ teams in data analysis, applying async processing & load balancer to handle 100K+/hr requests.3. Designed scalable AI agent infrastructure using Qdrant, RAG pipelines, dense embeddings, and prompt caching; mentored 5 developers in leveraging this infrastructure to build AI tools across multiple industry domains.4. Built UI interface on internal data platform web applications for AI agent using React; improved user engagement in the website by 40% with 4-month continuous frontend development.5. Refactored data streaming pipelines (Python, R, MySQL and Spark) which leverages Presto, Redshift, and Hive; optimized throughput from 1K to 100K+ logs with 100+ tables, powering OLAP, ML, and BI systems.6. Managed deployment infrastructure with Docker, Kubernetes, Jenkins, and MLOps (MLflow, DVC); maintained 99.9% uptime across microservices with CloudWatch, Splunk and Grafana.7. Collaborated with cross-functional product teams to build statistical & Xgboost model validation pipelines, reducing firmware validation time by 60%. Received organization’s Bronze award.