Salary Comparison

Backend Developer Salary:
Seattle, WA vs Sydney

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

Seattle, WA
$194,820
/ year
+96%
difference
Sydney
$99,431
/ 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
Sydney
Median Gross Salary
Annual, before tax
$194,820✓ higher
$99,431
Entry Level
0–2 years experience
$125,989✓ higher
$65,972
Senior Level
8+ years experience
$301,255✓ higher
$149,860
Est. Take-Home Pay
After income tax + FICA
$130,299✓ higher
$67,613
Purchasing Power
Equivalent in median-CoL city
$137,197✓ higher
$73,653
Cost of Living Index
Relative to US median (1.00)
1.42×
1.35×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$125,989✓ higher
$100,277
Percentile 90 (High)
Top 10% of earners
$301,255✓ higher
$227,787

What if you move from Seattle to Sydney?

Gross salary change
$95,389
96% decrease
Take-home change
$62,686
per year after tax
Purchasing power change
$63,544
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$194,820
P10: $125,989Median: $194,820P90: $301,255
Sydney$99,431
P10: $100,277Median: $99,431P90: $227,787

More Backend Developer salary comparisons

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Frequently Asked Questions

▶Does a Backend Developer earn more in Seattle or Sydney?

The median Backend Developer salary in Seattle, WA is $194,820/yr compared to A$151,135/yr in Sydney. Seattle pays 96% more in gross terms.

▶Is a Backend Developer salary worth more in Seattle or Sydney after cost of living?

After adjusting for local cost of living, your Seattle salary has the purchasing power of $137,197/yr in a median-cost city, vs $73,653/yr for Sydney. Seattle offers stronger real purchasing power.

▶What is the take-home pay for a Backend Developer in Seattle vs Sydney?

After estimated taxes, a Backend Developer in Seattle, WA takes home approximately $130,299/yr, vs $67,613/yr in Sydney. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.