Job Duties: · Design, and implement complex, multi-tier distributed software applications, document and test systems, modify as appropriate. · Provide technical and project leadership and mentoring. (For a couple of senior people) · Be a valued member of an autonomous, cross-functional agile team. · Build performance sensitive systems that serve tens of millions of requests each day. Responsibilities: · You know how to write highly scalable and distributed Ruby on Rails services. · You have experience in developing mid-tier services in a service-oriented architecture (SOA). · Experience working with Postgres and other relational DBs · You are comfortable using Agile development methods · Experience with Linux and VIM · You have great communication skills. Required Skills: · 6-10 years of Ruby on Rails experience · Knowledge/experience with GitHub. · Experience with APIs · Nice to have - knowledge of Javascript and other front end technologies