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Hi, I'm Kailai Yang

Software engineer focused on Python automation, API integrations, and applied AI. Based in Toronto.

I build tools that turn data into reviewable decisions: automated collection, rule-based checks, retrieval-backed reporting, and tested application workflows.

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Selected projects

Project What it demonstrates
FinOps AI Agent GCP telemetry, BigQuery history, rule-based analysis, FAISS retrieval, AI reporting, and reviewable Terraform proposals. GitHub Actions validates Python tests and Terraform before packaging artifacts.
Credit Portfolio Review Assistant Historical credit-risk analysis and a Streamlit review application, with a shared deterministic calculation core, automated tests, and citation-checked Claude report drafts.
Healthcare Voice Agent A scheduling proof of concept using OpenAI Realtime, WebRTC, Next.js, and a FastAPI mock EMR with synthetic patient data.
PatentInsight Patent retrieval, technology-trend visualization, and AI-assisted PDF reporting with a Django backend.
Cost-Aware Engulfing Analyzer Reproducible futures-signal analysis, parameter scans, and transaction-cost sensitivity with Python and an interactive interface.

Tools I work with

  • Engineering: Python, SQL, TypeScript, JavaScript, FastAPI, Django, REST APIs, Git, Docker
  • Applied AI: LLM APIs, RAG, FAISS, tool calling, source verification
  • Data and cloud: Pandas, PostgreSQL, BigQuery, GCP, Terraform
  • Quality: unittest, pytest, Jest, Playwright, GitHub Actions

The repositories document their individual scope and limitations. The voice agent is a demo backed by a mock EMR; FinOps changes remain reviewable proposals.

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