My dashboard had a line I almost shipped as a footnote: 0.1% of salary rows can't be converted to USD.

That reads like a rounding error. It wasn't. It was my filter deleting 1,170 real job postings.

The setup

I run ATS Job Feed , which pulls open roles from Greenhouse, Lever, Ashby, Workable, Personio and Workday, normalises pay to yearly USD, and de-duplicates across boards. One of the switches, salaryOnly , drops postings that don't state a number — people who only care about jobs with published pay.

Under the hood the filter is one line:

if salary_only and not ( job . get ( " salaryLow " ) or job . get ( " salaryHigh " )): continue

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And the conversion was a dict:

TO_USD = { " USD " : 1.0 , " EUR " : 1.08 , " GBP " : 1.27 , " CNY " : 0.14 , ...} # ten currencies

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Anything not in that dict returned None .…