Senior Ruby on Rails Engineer

full-time

Posted on: 2/12/2026

Location Type: Remote

Location: Brazil

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About the role

Design, build, and maintain Ruby on Rails applications at scale
Tackle legacy systems head-on and modernize them thoughtfully
Own features end-to-end, from database design to API responses to UI integration
Build and integrate with third-party APIs and internal services
Write clean, maintainable, well-tested code using RSpec
Collaborate closely with your entire team, from DevOps to Leadership to Marketing
Be passionate about your code, be a self starter and team motivator

Senior-level experience with Ruby on Rails - this is non-negotiable
Strong understanding of data modeling, database design, performance tuning, and creative problem solving
Comfort working in large, long-lived codebases
Experience writing and maintaining RSpec test suites
Solid grasp of security and API communication
Frontend experience with JavaScript & CSS, preferably native
A pragmatic & passionate mindset - you know when to refactor and when to ship and care about your results
Someone who enjoys ownership, responsibility, and long-term impact
Nice to Have (Not Required): Experience in architecting long-lasting applications, Familiarity with modern front-end user experience within the Rails stack, Exposure to high-traffic, revenue-critical systems

Benefits

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Ruby on RailsRSpecJavaScriptCSSdatabase designdata modelingperformance tuningAPI communicationlegacy systems modernizationfrontend development

Soft Skills

self-starterteam motivatorcollaborationownershipresponsibilityproblem solvingpragmatic mindsetpassion for codelong-term impactcreative thinking