Sarvaha is seeking a skilled and passionate Lead Ruby Developer with a minimum of 8 years of hands-on experience in Ruby and backend architecture. You’ll work on challenging, high-performance systems and collaborate with a talented team that values quality, ownership, and clean code. Sarvaha is a niche software development company that works with some of the best funded startups and established companies across the globe. Please visit our website at to know more about us. What You’ll Do Build, maintain, and scale backend systems using Ruby and Ruby on Rails Design and implement scalable APIs using Rails, Grape, and ActiveModel Tune performance across the stack including GC, queries, jobs, and server setups Develop, package, and publish custom Ruby gems Optimize ActiveRecord queries & PostgreSQL indices to eliminate N1 and improve query plans Manage application servers (Passenger, Thin) and tune thread/process models Own and maintain deployment pipelines, initializers, routing, and Rai...