Senior Rails Back-End Developer
45 - 50 USD per hour
Company:Hubstaff
Location:Argentina, Brazil, Poland, Romania, Spain, Portugal
Languages:English
Seniority level:Senior, 7+ years professional, 5+ years Rails
Experience:7+ years professional, 5+ years Rails
Skills:
Backend DevelopmentPostgreSQLSoftware DevelopmentSQLRuby on RailsCI/CDRESTful APIsMicroservices
Requirements:
7+ years of professional development experience 5+ years building and maintaining production Rails applications Strong database expertise (PostgreSQL or MySQL), including schema design and query optimization 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) Experience working asynchronously in fully remote teams A history of multi-year tenure in recent roles
Responsibilities:
Design, build, and maintain services and features using Ruby on Rails Architect scalable systems that handle millions of records and high concurrency Identify and resolve performance bottlenecks across database, application, and infrastructure Implement background job processing (Sidekiq, Redis) Write automated tests (RSpec) Collaborate with the Engineering Manager and cross-functional teams to shape technical direction Contribute to code reviews, documentation, and planning sessions Ensure high reliability and scalability of core services
