Senior Software Engineer salary in Seattle.
Live salary data from Adzuna, calibrated against Hustle Report member submissions. Updated daily.
The 25 / 50 / 75 percentile band.
25th percentile
$99,000
Median (50th)
$120,500
Calibrated estimate
75th percentile
$159,000
Percentiles describe a snapshot of advertised salaries. Real take-home depends on tax band, pension contributions and bonuses. Hustle Report members can plug their actual numbers into the in-app calculator for a precise picture.
Senior Software Engineer market in Seattle.
Senior software engineers sit in the most liquid segment of the technical hiring market. Permanent roles compete with contract opportunities at day rates of £500-£800, and remote-first employers have broadened the geography of competition. The clearest salary gaps in 2026 are for seniors who can also lead — engineers who mentor, own architecture and communicate across functions earn 15-25% above pure individual-contributor equivalents.
Seattle specifically: Seattle is the second US tech hub by depth — Amazon and Microsoft anchor the market with a strong supporting cast (Snowflake, Stripe, Anthropic offices). Cash salaries trail SF by ~5-10% but cost of living is lower.
Members in this role typically add $13,400/year.
Modeled on a conservative 4 hours/week of contract work at the role's implied hourly equivalent ($67/hr). The Hustle Report Monday editorial finds the briefs and ranks them by fit so the time stays small.
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