Tech
Software Engineer Salary · Boston vs London
Net pay, tax drag, and purchasing power modeled for 2025 offers. Built for relocating teams, expats, and comp committees.
Net pay
Boston
$112,449
25.0% effective rate
Net pay
London
£71,068
39.3% effective rate
Annual delta
Spread
+$41,381
Boston advantage
City
Boston
Deep biotech and hedge fund density supported by elite universities and a high cost of living.
Median professional income
$78,500
Role modeled
Software Engineer
Gross base
$150,000
Net after tax
$112,449
Cost-of-living index
76
Rent index
95
City
London
Europe’s leading financial center. Salaries typically include a "London weighting" to offset housing costs.
Median professional income
£48,500
Role modeled
Software Engineer
Gross base
£117,000
Net after tax
£71,068
Cost-of-living index
56
Rent index
56
Purchasing power
Net income vs lifestyle drag
Boston
$9,371
London
£5,922
Cost-of-living deep dive
Flip into the COL template for this exact pair. See rent burdens, discretionary drift, and PPP commentary.
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