As a counterpoint to your figures: this side of the ocean, senior Java contractors make EUR 90-100 while most .NET jobs hover around EUR 65-80. As to why this

As a counterpoint to your figures: this side of the ocean, senior Java contractors make EUR 90-100 while most .NET jobs hover around EUR 65-80. As to why this is, I can only guess. It appears the pool of .NET developers is larger, keeping the prices down, and most jobs are at a medior level, not senior.