About
Experience
Senior Software Engineer・INFOTECH
2025.03 — 2026.03
Built conversational AI services and knowledge-base systems for finance: RAG, agent flows, multi-LLM integration, PII masking and guardrails.
Python Backend Engineer・AMASTek
2021.07 — 2024.08
Developed an IoT device management platform and tripled query performance with Redis. Led workflow automation and quality control, cutting code-review rejections by 30% and test time by 50%.
Data Engineer・Sinyi Realty
2019.06 — 2021.04
Built pipelines to clean, aggregate and store millions of daily user-behavior records, and developed an internal data query service with Django.
Law graduate, 5+ years in the civil service
Left the civil service to become a software engineer, starting in data engineering.
Tech stack
Infrastructure & DevOps
- AWS
- Kubernetes / K3s
- Terraform
- Prometheus / Grafana
- Jenkins / GitHub Actions
Backend
- Python
- Django / FastAPI
- PostgreSQL
- Redis
- MongoDB
Testing & Quality
- pytest
- Ruff / Pyright
- SonarQube
- CodeQL / Bandit
Writing
- 210+ posts on technology and thinking
- 800,000+ total blog views
- Excellence Award, Python category, 2024 iThome Ironman Contest, for the series “Django Ninja Scrolls” (in Chinese)
CV and contact
More about me
The full story is on the About page of my blog (in Chinese).