Pulled directly from disclosed salary ranges in live job postings.
Median: $170,500/year (typical range $140,000–$200,000/year), based on 2020 currently-open Senior 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.