Okta(<a href="https://www.okta.com/" >) -- SF (VISA possible)
About Us: Okta is an Enterprise Grade Security and Identity Management Platform and a Single Sign On solution. We have thousands of customers including LinkedIn, Box, Cloudera, Jive, Splunk and Groupon. We are backed by awesome investors like Sequoia Capital, Andreessen Horowitz, Greylock Partners and Khosla Ventures.
We are disrupting the multi-billion dollar Identity space and Gartner has named us leaders into that magic quadrant.
The work environment is amazing and there are great perks of working at Okta. 
The list of open positions: <a href="https://www.okta.com/company/careers.html#okta-positions" >
Interested hackers can e-mail me: REDACTED_EMAIL
Ask HN: Who is hiring? (October 2014)