See how much US and europe people earn more than Hong Kong - http://discuss.joelonsoftware.com/default.asp?joel.3.362783 http://hoskinator.blogspot.com/2006/11/average-salary-for-java-developers.html

Some suggestion about estimate payment to developers - http://blog.stackoverflow.com/2011/07/how-much-should-you-pay-developers/

Hint for salary negotiation - http://jobtipsforgeeks.com/2013/09/27/negotiate/

Describing Software Engineers (SWEs) - https://medium.com/on-technology/describing-software-engineers-swes-ff2b4a407f98

The 10 commandments of salary negotiation - https://www.lennysnewsletter.com/p/negotiating-comp

Why you should know how much your coworkers get paid - https://www.ted.com/talks/david_burkus_why_you_should_know_how_much_your_coworkers_get_paid