Client's systems are written in Ruby on Rails and thus they need for experienced Ruby on Rails developers. Client has one of the biggest and most complex financial applications written in Ruby. Preference will be given to those candidates who have experience with transaction-based systems such as e-commerce or trading. Candidate should have at least three years with Ruby on Rails and several years of software development experience overall. Client practices agile techniques from Scrum and Kanban, including TDD, standups, code review, story cards, etc. Candidate should be comfortable with rspec and/or cucumber. Additionally candidates should be proficient with MySQL, git, rake, and related tools. As senior software engineer, candidate is also responsible for helping train others on advanced Ruby programming techniques, designing solutions to complex problems, and digging into an existing codebase to derive understanding and intent of various application features. The senior software engineer is also expected to be an advocate of Ruby best practices, continuously expanding and sharing knowledge. Regards,