This is a role for a real 'expert' programmer who has experience building very complex applications that utilize test driven development, code reviews, continuous delivery, etc.. and has a drive to learn new technologies and want to use Go and Ruby. Strength is key as you will be involved in the design and architecture of product features and implementation. Ideal candidate will know inside and out about the foundation of scalable cloud systems including Linux and AWS. This growing group is very collaborative and transparent in all aspects of their day to day, so personality will be key in this pairing. Your GitHub account should be show your diversity of coding and interests, have it ready to share.
If you have a passion for developing and would be interested in using that to make tools to spread the passion with other developers, this is a conversation you will want to have.