##2017most used(GTD+)Generic know-how4Wall St developers

#1 java — the ecosystem
#2 c/c++ — not yet my chosen direction
#3 dotnet including c#, WCF, remoting, windows debugging …
#4 py — purely automation in most places(easy instrumentation); advanced py systems in a few places

# unix power user tools – including scripting, instrumentation… More widespread but depth is seldom required compared to SQL and python. More well-defined as a tech skill than windows dev.

# SQL/stored proc — losing pole position in low latency and big data environments, still dominant in traditional apps

# Excel add-in and automation

# javascript

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