Senior Full-Stack Ruby on Rails Engineer

Description We’re looking for a Senior Full-Stack Ruby on Rails Engineer to lead development of our analytics dashboard. You’ll design, build, and maintain Rails APIs, background jobs, and database schemas that power data-rich React components and interfaces. You’ll work closely with product managers, designers, front-end developers, and infrastructure to rapidly push new features from ideation to production. This is a hands-on role with plenty of scope to influence architecture, user experience, and coding standards. While we’re targeting senior engineers, we’re open to strong mid-level candidates who demonstrate leadership, ownership, and a passion for full-stack craftsmanship. Team, Culture, and Product We're a small engineering team looking to grow. We're a remote-only organization with most of the engineering team working from US timezones. We aim to help mobile app developers make data-driven decisions about their marketing in a secure, privacy-centric, user-friendly way. We encourage flexibility in working locations and hours but also make sure we all overlap at least briefly for a bit each day. Responsibilities • Lead major architecture and software design decisions • Develop and maintain background jobs (Sidekiq) and employ caching to keep dashboards snappy under load • Own CI/CD pipelines and deployments (GitHub Actions, Docker, Kubernetes/ECS), ensuring that releases are automated, reliable, and fast • Collaborate closely with designers, product managers, and front-end developers to create user-friendly and visually appealing interfaces • Write clear and maintainable documentation • Ensure test coverage for new and existing features using RSpec and Jest • Employ feature flags to support trunk-based development workflows • Adhere to and enforce code style guidelines and best practices • Profile, debug, and optimize both front-end and back-end performance issues in production and staging environments Requirements • Deep expertise in Ruby on Rails (typically 5+ years) • Proficiency in ReactJS (typically 3+ years), along with a strong foundation in JavaScript, TypeScript • Experience integrating front-end components with Ruby on Rails backends • Experience building and consuming REST APIs • Familiarity with Git and hosting platforms like GitHub • Excellent organization and communication skills • An appetite for learning, problem-solving, and contributing to a dynamic team environment Nice-to-haves • Experience with AWS, Kubernetes, and Docker • Experience with Ruby outside of a Rails context (such as Sinatra) • Experience with PostgreSQL • Experience with advanced topics in React such as the Context Api, Memoization and Virtualization • Experience with mobile app development or mobile marketing • Experience building data-intensive user workflows - customizable tables, charts, etc • Experience working with in-house style guides Benefits • Annual budget for learning and personal development (conferences, books, classes, etc) • Budget for fitness and well-being activities (gym memberships, fitness equipment) • Unlimited vacation days and a vacation stipend to make sure you take time off (we recommend at least 20 days off per year) • Team off-sites and other get-togethers • Health Care Plan (Medical, Dental & Vision) • Family Leave (Maternity, Paternity) Apply tot his job