Show HN: I built a tool to rank cities based on purchasing power for SWEs

Show HN: I built a tool to calculate real tech salaries across cities (after tax & COL) As a software engineer obsessed with data-driven decisions, I wanted to quantify how much better/worse other cities would be compared to my current home in Berlin. While sites like Glassdoor and levels.fyi tell you how much you can earn, they don't show what you actually keep after taxes and living costs. So I built Tech City Index - a tool that compares cities based on actual purchasing power for software engineers, combining: * Real-time salary data from levels.fyi * Cost of living data from Numbeo * Local tax calculations at median tech income (thanks, GPT-4o) * Weather data (naturally) Some surprising findings: 1. Seattle and Austin top the list (ahead of SF) due to: * Similar tech salaries to SF * No state income tax (vs California's 13.3%) * Significantly lower housing costs 2. The top rankings are unsurprisingly dominated by the US, which is still by far the best place for