File Conversion and Database Upload Automation

I need an automated solution to download, convert, and upload files. The process involves:

- Downloading basic customs files (3 per category)
- Converting from .tsv to .xlsx using Node.js
- Uploading to PostgreSQL with KNIME

Ideal Skills and Experience:
- Proficient in Node.js
- Experience with KNIME
- Familiarity with PostgreSQL
- Automation skills