Ruby On Rails Engineer- 9/1-11/27/26

Senior Backend Engineer (Ruby on Rails)

About the Role
We are seeking a Senior Backend Engineer with strong Ruby on Rails experience to support critical upgrades across our existing platform. The ideal candidate will have deep experience working in monolithic applications and be comfortable upgrading major dependencies and infrastructure components in a production environment.

This role will focus on modernizing and maintaining a legacy codebase while ensuring stability and performance during system upgrades.

Key Responsibilities

• Lead upgrades of core backend technologies within a Ruby on Rails monolith
• Upgrade and maintain Ruby and Rails versions across the application
• Support upgrades of key infrastructure components including Redis, MySQL, and Sidekiq
• Assist with upgrading Node.js dependencies within a legacy frontend project
• Identify potential compatibility issues and implement solutions to ensure system stability
• Collaborate with engineering teams to safely deploy upgrades and maintain production reliability

Required Qualifications

• Senior-level experience developing backend systems with Ruby and Ruby on Rails
• Experience working within large monolithic applications
• Strong experience performing major package or framework upgrades in production systems
• Ability to troubleshoot compatibility issues and refactor code where necessary
• Strong understanding of backend system architecture and dependency management

Nice to Have

• Experience with TypeScript
• Experience with Node.js
• Familiarity with modernizing legacy systems or incremental architecture improvements

Example Projects

• Ruby version upgrade within a monolith project
• Rails framework upgrade
• Redis upgrade
• MySQL upgrade
• Sidekiq upgrade
• Node.js upgrade within a legacy frontend codebase