Team and Business communication platform
Job no longer available
Team and Business communication platform
1001+ employees
Job no longer available
1001+ employees
Slack is on a mission to make working life simpler, more pleasant and more productive – for everyone.
Slack started life as a messaging app in a game created by Butterfield and others. When the game didn’t take off Butterfield spotted potential in the messaging app.
Reborn as Slack, the company was clearly onto something, as they became one of the fastest growing software business in the world. 8,000 people signed up to their waiting list on the first day, and within 2 weeks this number grew to 15,000.
Slack now have 12 million active users and over 100,000 paying customers, making then one of the best growth stories of the last decade. They're now moving from messaging into more general productivity software, taking aim at Microsoft Office.

Kirsty
Company Specialist at Welcome to the Jungle
26% employee growth in 12 months
Aug 2018
$427m
GROWTH EQUITY VC
Sep 2017
$250m
SERIES G
The East Cut, San Francisco, CA
Stewart Butterfield
(CEO)Previously co-founded Flickr, which was sold to Yahoo. Worked for Yahoo as Senior Director of Product Management after the acquisition
Cal Henderson
(CTO)Previously Director of Engineering at Yahoo
Serguei Mourachov
(Principal Engineer)Previously Principal Software Engineer at Flickr
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