The Back-End Engineer (RoR) position at Mozilla is a mid-level engineering role within the Fakespot team. Fakespot is a part of Mozilla, and their mission is to bring trust and transparency back to the eCommerce space. The ideal candidate will have a minimum of 3 years of professional work experience with Ruby and Ruby on Rails, excellent learning ability, and the ability to write efficient algorithms and clean code. The role involves creating robust, scalable, highly loaded applications, maintaining and troubleshooting existing applications, identifying and fixing bottlenecks and bugs, and maintaining and expanding APIs. Mozilla offers a range of benefits, including generous performance-based bonus plans, medical, dental, and vision coverage, retirement contributions, and paid parental leave. Mozilla is committed to diversity, equity, inclusion, and belonging and encourages applications from everyone, including members of all equity-seeking communities.