Data & Platform Engineering

Chia

— a

Data engineer exploring ML. I just like learning and building things.

Python · Spark · AWS · dbt Open to senior roles
Selected work

Selected work

01 — 02
01 / Data Engineering

Access‑IQ

A production-grade data engineering platform simulating an NHS Trust analytics environment — built end-to-end with real architectural constraints: cross-account AWS, ephemeral infrastructure, and a full medallion lakehouse surfacing health inequality insights.

97
dbt contracts
2-account
AWS architecture
293
test functions
AWSdbtRedshiftPrefectGreat ExpectationsPython
Read the case study ↗
Wait-times analytics dashboard
02 / Next
An ML system for redacted

Moving up the stack — from moving data to learning from it. A hands-on ML build that turns the pipelines into predictions. In progress; details soon.

Coming soon