01
Data Analyst
Move from fragmented data to recommendations people can understand and act on.
Frame business questions, audit data quality, analyse statistically, design metrics and visualisations, and communicate without hiding uncertainty or limitations.
Evidence of learning
Portfolio: analysis notebook · executive dashboard · decision brief
DIA 60401–60403 · 60501–60503 · 61201–61203
02
Data Scientist
Move from a predictive model to evidence showing when it is useful—and where it is not.
Build baselines, features and models systematically; audit leakage, imbalance, calibration and error patterns; compare approaches and communicate responsibly.
Evidence of learning
Portfolio: reproducible experiment · model card · evaluated AI prototype
DIA 60401–60403 · 60501–60503 · 60601–60603
03
Data Engineer
Move from “it runs on my machine” to data systems other teams can trust, operate and extend.
Design data contracts and architecture; build pipelines with validation, tests, version control, orchestration, CI/CD, observability and failure handling.
Evidence of learning
Portfolio: documented pipeline · quality checks · deployment workflow
DIA 60401–60403 · 60601–60603 · 62101–62103