Chicago, Illinois
•
Today
Job Description : Strong Expertise with Ruby: Minimum 12 years of experience on Ruby Deep knowledge of Ruby MRI internals (GIL, memory model, object allocation) Ruby MRI garbage collector (mark & sweep, generational GC) Strong experience with Rails internals (ActiveRecord, Arel, middleware stack) Ability to optimize slow queries, N+1 issues, and memory leaks Experience with multi-threaded / concurrent Ruby (Puma, Sidekiq tuning) Ruby VM instruction set (YARV bytecode basics) Concurrent Ruby gem
Easy Apply
Contract, Third Party
Depends on Experience
