Salary Comparison

Software Engineer Salary:
Seattle, WA vs London

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

Seattle, WA
$202,359
/ year
+116%
difference
London
$93,597
/ 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
London
Median Gross Salary
Annual, before tax
$202,359✓ higher
$93,597
Entry Level
0–2 years experience
$130,865✓ higher
$62,101
Senior Level
8+ years experience
$312,912✓ higher
$141,067
Est. Take-Home Pay
After income tax + FICA
$135,426✓ higher
$63,646
Purchasing Power
Equivalent in median-CoL city
$142,506✓ higher
$62,398
Cost of Living Index
Relative to US median (1.00)
1.42×✓ lower
1.50×
Percentile 10 (Low)
Bottom 10% of earners
$130,865✓ higher
$49,060
Percentile 90 (High)
Top 10% of earners
$312,912✓ higher
$111,443

What if you move from Seattle to London?

Gross salary change
$108,762
116% decrease
Take-home change
$71,780
per year after tax
Purchasing power change
$80,108
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$202,359
P10: $130,865Median: $202,359P90: $312,912
London$93,597
P10: $49,060Median: $93,597P90: $111,443

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Frequently Asked Questions

▶Does a Software Engineer earn more in Seattle or London?

The median Software Engineer salary in Seattle, WA is $202,359/yr compared to £73,942/yr in London. Seattle pays 116% more in gross terms.

▶Is a Software Engineer salary worth more in Seattle or London after cost of living?

After adjusting for local cost of living, your Seattle salary has the purchasing power of $142,506/yr in a median-cost city, vs $62,398/yr for London. Seattle offers stronger real purchasing power.

▶What is the take-home pay for a Software Engineer in Seattle vs London?

After estimated taxes, a Software Engineer in Seattle, WA takes home approximately $135,426/yr, vs $63,646/yr in London. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.