We are seeking a highly capable senior Ruby on Rails engineer with a strong foundation in backend systems and API design. You should have practical experience building systems in Ruby on Rails and at least 6 years of industry experience or equivalent. You will contribute to the design, implementation, evolution, and maintenance of backend APIs, and work with a mix of relational and non-relational databases. Familiarity with TypeScript or a similar strongly-typed language, as well as CI/CD pipelines and automated tests, is essential. You should be comfortable working in service-based architectures and Rails monoliths, writing clean code, and delivering high-quality improvements through well-scoped, automated tests. Excellent communication skills and the ability to break down complex work into manageable pieces are required. A BS/MS in Computer Science, Engineering, or equivalent experience is preferred.