Senior Rails Back-End Developer

7+ years of professional development experience 5+ years building and maintaining production Rails applications Strong database expertise (PostgreSQL or MySQL) Experience with background job frameworks and async processing Proven experience designing systems for performance and scale Solid understanding of modern architectural patterns (SOA, event sourcing) Working knowledge of JavaScript (nice-to-have) Experience working asynchronously in fully remote teams A history of multi-year tenure in recent roles

Design, build, and maintain services and features using Ruby on Rails Architect scalable systems Identify and resolve performance bottlenecks Implement background job processing (Sidekiq, Redis) Write automated tests (RSpec) Collaborate with the Engineering Manager and cross-functional teams Contribute to code reviews, documentation, and planning sessions Ensure high reliability and scalability of core services