Senior Rails Back-End Developer - Remote

Overview

Hubstaff is looking for a Senior Rails Back-End Developer to join our remote engineering team, focusing on architecting, scaling, and optimizing back-end systems for our SaaS platform.

In Short

• 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 cross-functional teams to shape technical direction.
• Contribute to code reviews, documentation, and planning sessions.
• Ensure high reliability and scalability of core services.

Requirements

• 7+ years of professional development experience, including 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.
• Working knowledge of JavaScript is a nice-to-have.
• Experience working asynchronously in fully remote teams.
• A history of multi-year tenure in recent roles.

Benefits

• A remote-first culture built on trust, autonomy, and async collaboration.
• Opportunities to work on technically challenging problems at scale.
• Long-term product focus — build something you can truly invest in over time.
• Competitive pay for top talent.