Afresh Technologies
Staff Software Engineer
Started out as the sole ML platform engineer supporting all applied scientists. In 2025, I transferred to work on the DC (distribution center) buying product.
- Python
- Airflow
- ML platform
- Databricks
Software engineer ↔ AI creative builder
Harrison Tsai
Classically trained artisanal coder.
Vibe-curious builder.
- 10+ years of experience as a software engineer across different industries.
- A generalist across the technology stack.
- Driven, resourceful & thoughtful.
Professional experience
Coupa Software
Software Engineer, Data Platform
Forked Simon Willison's Datasette and operationalized it inside Coupa's microservice ecosystem.
- Datasette
- Microservices
- AWS
- Data platform
Intuit
Software Engineer I → II → Senior
Worked on ML Platform for TurboTax back in the mid-2010s before SageMaker & MLFlow. Speaker at SXSW and San Diego Startup Week .
- ML platform
- Enterprise systems
- AWS
Personal projects & writing
Cortado Club
For those who believe the cortado is the superior espresso drink.
Bunny Run Fun
A small website for hosting parties and friends visiting my house.
A Haven in the City
Photography and writing about San Francisco's Mission Bay in the mid-2010s, published on Exposure .