Ruby on Rails Engineer

Icalia Labs is hiring a Senior Ruby on Rails Engineer with deep expertise in building scalable, production-grade APIs and a strong foundation in modern backend engineering.We’re looking for engineers who go beyond implementation, professionals who understand how systems behave under load, how databases perform at scale, and how to design APIs that last.What you’ll be working withRuby & Ruby on Rails (API development)PostgreSQL (query optimization, indexing, performance tuning)Background Jobs (Sidekiq, Resque, or similar)RSpec Tests and solid automated testing practicesAWS (cloud infrastructure and services)Docker (containerized environments)What you’ll doDesign and build high-performance APIs using Ruby on RailsWrite optimized database queries and deeply understand how data flows and scalesImplement and maintain asynchronous/background processing systemsEnsure code quality through robust RSpec testing strategiesApply best practices for API design, scalability, and maintainabilityCollaborate on architecture decisions and continuously improve system performanceWhat we’re looking for8+ years of software engineering experience or equivalent practical backgroundStrong expertise in Ruby and Rails APIs in production environmentsClear understanding of how databases work and how to write efficient queriesHands-on experience with background job processing systemsSolid knowledge of AWS and DockerStrong grasp of API best practices and backend architectureEngagement detailsStart date: Late May 2026Contract type: ContractorRemote role (CST time zone)At Icalia Labs, we build scalable digital products with a strong emphasis on clean architecture, performance, and long-term maintainability.If you’re interested in solving real engineering challenges and shipping meaningful systems at scale, let’s connect!