Wang Yongzhi / AI & software

Engineering notes

The decisions behind the interface. Short project notes on data, models and the software around them.

Selected work

JobAI

A trained model still has to earn its place

Separating numeric forecasts from sourced explanations, with four baselines as the test.

JobsResearch

A match score needs an explanation

From scattered job postings to an inspectable decision, with the applicant in control.

CLboost

The product continues after generation

A multilingual cover-letter workflow, from profile context to an editable result.

Fi-Job-Maps

A useful map starts with trustworthy totals

Turning Finnish occupational statistics into a visual interface, while keeping model estimates separate from measured data.