Long Do Cao

- Reduced LLM generation latency ×3 through hybrid retrieval and reranking.

- Generated original ad visuals via multimodal inpainting with LangChain, LangGraph, LangSmith, and custom AI agents mixing deep thinking, code execution, visual inputs from different models (openAI, anthropic, Gemini, Qwen)

- Led and mentor a data engineering team (career paths, 1:1 feedbacks, agile methodology)

- Automated issue resolution with Claude Code reducing resolution time by 30%.

- Introduced DORA metrics and identified a 40% false positive fail rate, enabling more accurate performance tracking and process improvements.

- Designed an enterprise-grade data platform validated by architecture and security authorities.

- Defined authentication (IAP, Workload Identity Federation), VPC security rules, and data lifecycle policies (historization, archival on Glacier).

- Ensured compliance and interoperability across multiple business departments.