We just signed the corporate contributor license agreement (CCLA). SoundCloud always was big on open source – we nearly exclusively use open source software in our company and use a lot of Apache projects like Hadoop, Solr, Flume, Zookeeper and Cassandra on our large scale production site.
As SoundCloud is using a lot of Apache projects and started to contribute to project we decided to sign the CCLA and enable all our developers to contribute to Apache projects even during work time if that project is used by SoundCloud.
The first project we will commit code to is Flume, we hope there are several more coming.
Apache, keep up the great work and we will support you wherever possible!