Intercom (<a href="https://www.intercom.io/" >).
Intercom is a simple, personal messaging service for businesses and their customers. Used for marketing, sales, support and product, Intercom is the easiest way to reach your customers.
Our mission is to make web business personal. We believe that the future of customer communication requires not increasingly complex, impersonal point solutions, but rather a simple, seamless platform that feels a lot more like Facebook than Salesforce.
People love our product:
<a href="https://twitter.com/intercom/favorites" >
The company is just over 2 years old. It has over $30MM to-date from Bessemer Venture Partners, and the Social+Capital Partnership.
The team is currently 46, comprising people from Apple, Box, Google, Facebook, Amazon, Yammer, Microsoft, and PayPal.
Intercom is installed in thousands of web products and is connected with many millions of end-users. The company has been experiencing double-digit monthly revenue growth from the start.
We intend to fundamentally change how internet businesses and their customers interact.
For a full list of jobs see our careers page: <a href="https://www.intercom.io/careers" >
SAN FRANCISCO
Software engineers: <a href="https://www.workable.com/j/9A06A2D028" >
Product designers: <a href="https://www.workable.com/j/32B8BD914B" >
Success engineers <a href="http://intercom.workable.com/jobs/3412" >
Marketing designers: <a href="https://www.workable.com/j/F38239DCA4" >
Software engineers(interns): <a href="https://www.workable.com/j/FAA77D5FF1" >
Data analysts: <a href="https://www.workable.com/j/0734A1424E" >
Office manager: <a href="https://www.workable.com/j/B8DDA2E2C4" >
Executive assistant: <a href="https://www.workable.com/j/BF0FA1DA02" >
DUBLIN
Product Managers: <a href="https://www.workable.com/j/B306D705BF" >
Visual designers: <a href="https://www.workable.com/j/202064E5FA" >
Android engineers: <a href="https://www.workable.com/j/2B044EEB80" >
Product designers: <a href="https://www.workable.com/j/3CD022F97F" >
Software engineers: <a href="https://www.workable.com/j/0D0544C466" >
Graduate software engineers: 
<a href="https://www.workable.com/j/4264D3CB92" >
iOS engineers: <a href="https://www.workable.com/j/38B689A8E3" >
Systems engineer: <a href="https://www.workable.com/j/2479E3FE05" >
<a href="https://www.intercom.io/careers" >
Ask HN: Who is hiring? (February 2014)