2+ years of hands-on Ruby on Rails experience with production applications Experience solving issues around scale, concurrency, queuing, background processing, and efficient ingestion of third party data Mastery of fundamentals: SOLID coding principles, domain-driven design, performant code and queries, unit and integration testing Ability to build quick when we need to experiment, build clean when MVP becomes core functionality Strong SQL and data analysis skills and an eagerness to dig into data as part of problem solving Full stack mentality: owning features from back end to front end code, testing, demos, and delivery Experience with agile development, sprints and scrum Proficiency with Git, Github, Jira