// research & intellectual property

Patents and
publications.

Independent academic work, one granted utility patent, and a stack of internal AWS tooling.

// publications & patents

Filed and granted.

Academic Publication [01]

Learning-based Software Defect Prediction.

A systematic study evaluating machine learning approaches for predicting software defects in production codebases. Explored feature extraction from abstract syntax trees, code metrics, and change history. Evaluated classification models across multiple open-source Java projects.

↳ Han Cao — Journal of Physics, Conference Series · CCEAI 2020

Venue
CCEAI 2020
Published
Journal of Physics
Year
2020
Utility Patent · Granted [02]

TCM Self-Service Clinic Management System.

Invented a self-service inquiry management system for Traditional Chinese Medicine outpatient clinics, streamlining patient intake and pre-consultation workflows. Enables patients to complete structured symptom entry and consultation routing without front-desk intervention.

↳ Grant No. ZL 2017 2 1856637.6 — Patent Authority of China

Status
Granted
Patent No.
ZL 2017 2 1856637.6
Year
2017
// internal tooling

Tools I built along the way.

03
LLM Evaluation Framework Internal benchmark suite for evaluating 12 large language models across accuracy, latency, and cost for production model selection at Amazon Lex.
amazon-lex · 2024
04
Region Build Orchestration New orchestration model replacing the manual Lambda region expansion process. Parallelised IA-gating tasks and integrated with automated region config systems.
aws-lambda · 2023
05
Load Testing Suite Designed and executed load testing simulating ~7× normal production traffic across 50,000 throttle cache keys to validate Lambda control plane latency impact.
aws-lambda · 2023
06
MapReduce Analysis Pipeline Custom MapReduce pipeline that shards Amazon Lex bots by intent for parallel processing and result aggregation, achieving sub-60-second analysis for bots with 1,000+ intents.
amazon-lex · 2024
— Closing remarks Ed. 01 / 2026 · Seattle

Let's ship
something real.

Open for SDE II & Senior SDE roles
Role
SDE II / Senior SDE · AI infrastructure
Located
Seattle, WA · Pacific Time
Email
hanmail1024@gmail.com↗
LinkedIn
linkedin.com/in/han-ca0↗

— Han Cao