- viz: add 'back to top' link next to each company
- data collection: extend scraper to collect both problem type and company
- viz: add a new 'type' column for the problem frequency table
- viz: add the 'major problem type' info for each company
- data analysis: run UMAP to on company-indexed pivot wider dataset to find clusters for company interview profiles
- refactor: convert jupyter notebook to .py file for ETL