Top 10 from all sources (that I'm looking at) since August 2015.
Javascript 27.69%
SQL 22.41%
Ruby 17.71%
Python 17.60%
AWS 13.85%
Ruby On Rails 13.83%
AngularJS 11.47%
Java 10.89%
PHP 10.57%
React 10.46%
(top 100 https://gist.githubusercontent.com/xando/1853d5e48f94abe2f13...)Top 10 from “Hacker News Who is Hiring” since 2011
Javascript 24.17%
Python 22.38%
SQL 18.63%
Ruby 18.13%
Ruby On Rails 17.00%
AWS 12.38%
AngularJS 10.82%
Java 10.13%
PostgreSQL 9.72%
React 9.53%
(top 100 https://gist.githubusercontent.com/xando/d1daca52b797e725175...)edit: where 100% equals all jobs tagged as remote.