Design, build, and maintain services and features using Ruby on Rails Architect scalable systems Extend and evolve custom design system (Hotwire + Tailwind) Build, maintain, and integrate user-facing features with Hotwire, Stimulus, and Turbo Collaborate with Engineering Manager and product team Identify and resolve performance bottlenecks Implement background job processing (Sidekiq, Redis) Write automated tests Participate in code reviews, documentation, and planning sessions Balance technical excellence with timely delivery