Pulled directly from disclosed salary ranges in live job postings.
Median: $133,250/year (typical range $99,000–$169,000/year), based on 2445 currently-open Mid-Level listings that disclose a salary range (USD, annualized roles only).
Seniority is detected from job title keywords (e.g. "Senior", "Lead", "Director") — an approximation, not a verified level.