Salary Comparison

Full Stack Developer Salary:
Seattle, WA vs Boston, MA

Side-by-side gross salary, after-tax take-home pay, and purchasing power comparison. Updated June 2026.

Seattle, WA
$186,147
/ year
+9%
difference
Boston, MA
$171,382
/ year
Bottom line: Seattle wins on all three metrics — higher salary, more take-home pay, and greater purchasing power. How is this calculated? →
Metric
Seattle
Boston
Median Gross Salary
Annual, before tax
$186,147✓ higher
$171,382
Entry Level
0–2 years experience
$120,380✓ higher
$110,832
Senior Level
8+ years experience
$287,843✓ higher
$265,012
Est. Take-Home Pay
After income tax + FICA
$124,402✓ higher
$114,361
Purchasing Power
Equivalent in median-CoL city
$131,089✓ higher
$122,416
Cost of Living Index
Relative to US median (1.00)
1.42×
1.40×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$120,380✓ higher
$110,832
Percentile 90 (High)
Top 10% of earners
$287,843✓ higher
$265,012

What if you move from Seattle to Boston?

Gross salary change
$14,765
9% decrease
Take-home change
$10,041
per year after tax
Purchasing power change
$8,673
equivalent real income

Take-home pay is estimated using 2024 US federal tax brackets (single filer) + 7.65% FICA, or a blended international effective rate. Purchasing power converts gross salary to an equivalent in a US median cost-of-living city (index 1.00×). Full methodology →

Salary Range Comparison

Seattle, WA$186,147
P10: $120,380Median: $186,147P90: $287,843
Boston, MA$171,382
P10: $110,832Median: $171,382P90: $265,012

More Full Stack Developer salary comparisons

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Frequently Asked Questions

▶Does a Full Stack Developer earn more in Seattle or Boston?

The median Full Stack Developer salary in Seattle, WA is $186,147/yr compared to $171,382/yr in Boston, MA. Seattle pays 9% more in gross terms.

▶Is a Full Stack Developer salary worth more in Seattle or Boston after cost of living?

After adjusting for local cost of living, your Seattle salary has the purchasing power of $131,089/yr in a median-cost city, vs $122,416/yr for Boston. Seattle offers stronger real purchasing power.

▶What is the take-home pay for a Full Stack Developer in Seattle vs Boston?

After estimated taxes, a Full Stack Developer in Seattle, WA takes home approximately $124,402/yr, vs $114,361/yr in Boston, MA. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.