Principal Ruby On Rails Engineer Jobs (NOW HIRING)

Ruby on Rails Developer
Position Type: Full-Time, Remote
Working Hours: U.S. Business Hours
Location: Remote (LATAM, Eastern Europe, Pakistan, South Africa Preferred)
About the Role
We are hiring a skilled Ruby on Rails Developer to build, optimize, and maintain scalable web applications used by growing businesses and product teams.
This role is ideal for an engineer who understands the Rails ecosystem deeply and enjoys building clean, reliable, and high-performing applications from end to end. You will work closely with product, engineering, and design teams to develop new features, improve application performance, and maintain scalable backend systems.
The ideal candidate is highly technical, detail-oriented, and comfortable working independently in fast-paced remote environments where ownership, speed, and code quality matter.
What You'll Own
Rails Application Development
• Build and maintain Ruby on Rails applications, APIs, and backend services
• Develop scalable business logic using Rails conventions, ActiveRecord, controllers, and service objects
• Build RESTful APIs and integrate third-party services and external APIs
• Collaborate with frontend developers using React, Vue, or Stimulus when required
• Contribute to feature development from architecture through deployment
Database Design & Optimization
• Design and maintain PostgreSQL or MySQL database schemas
• Optimize database queries and improve application performance
• Implement indexing, caching, and query optimization strategies
• Manage background jobs using Sidekiq, Resque, or similar frameworks
• Ensure applications remain scalable and performant under growing workloads
Testing, CI/CD & Code Quality
• Write and maintain unit, integration, and system tests using RSpec, Minitest, or Capybara
• Maintain high code quality standards and test coverage
• Participate in peer code reviews and maintain clean, maintainable codebases
• Support CI/CD workflows and automated deployment pipelines
• Enforce coding standards using RuboCop or similar linting tools
Performance, Monitoring & Security
• Optimize API response times and overall application performance
• Monitor applications using tools such as New Relic, Datadog, Rollbar, or Honeybadger
• Troubleshoot production issues and deploy fixes with minimal downtime
• Implement authentication, authorization, and application security best practices
• Ensure compliance with data privacy and security standards where applicable
Collaboration & Technical Ownership
• Work closely with product managers and designers to scope and estimate features
• Participate in sprint planning, technical discussions, and architecture decisions
• Document APIs, workflows, and technical systems for long-term maintainability
• Support ongoing improvements to development workflows and engineering standards
What Makes You a Great Fit
• You have strong hands-on experience with Ruby on Rails and backend systems
• You care deeply about writing clean, maintainable, and well-tested code
• You are comfortable balancing rapid development with long-term scalability
• You are proactive, resourceful, and capable of solving technical challenges independently
• You communicate clearly and collaborate effectively within remote engineering teams
• You enjoy improving systems, workflows, and application performance continuously
Required Experience & Skills
• 3+ years of professional Ruby on Rails development experience
• Strong proficiency with Ruby, Rails, ActiveRecord, and MVC architecture
• Experience with PostgreSQL or MySQL databases
• Experience with background job systems such as Sidekiq or Resque
• Familiarity with Git workflows and CI/CD pipelines
• Strong understanding of RESTful APIs and backend application architecture
• Experience writing automated tests and maintaining code quality standards
Preferred Experience
• Experience integrating React, Vue, or Stimulus with Rails applications
• Experience deploying applications to AWS, GCP, Heroku, or similar cloud platforms
• Familiarity with Redis, Memcached, or other caching systems
• Experience building SaaS, fintech, healthcare, or e-commerce applications
• Exposure to Docker, Kubernetes, or modern DevOps workflows
What a Typical Day Looks Like
A Ruby on Rails Developer's day revolves around building features, improving performance, and maintaining scalable applications. You will:
• Develop and ship new backend features and API endpoints
• Optimize database queries and troubleshoot application bottlenecks
• Review pull requests and collaborate with engineering teammates
• Write and maintain automated tests for reliability and stability
• Monitor application performance and resolve production issues
• Participate in sprint planning, technical discussions, and deployment workflows
In short: you help build reliable, scalable, and high-performing applications that support product growth and long-term engineering stability.
Key Metrics for Success (KPIs)
• Features delivered on time and aligned with technical requirements
• Application uptime and system reliability maintained at high standards
• Strong test coverage and reduced production bugs
• Improved application performance and scalability
• Clean, maintainable code with reduced technical debt
• Positive collaboration and feedback from product and engineering teams
Interview Process
• Initial Phone Screen
• Video Interview with Pavago Recruiter
• Technical Assessment (Rails API or Backend Feature Exercise)
• Client Interview with Engineering Team
• Offer & Onboarding
#RubyOnRails #RailsDeveloper #BackendDeveloper #RubyDeveloper #SoftwareEngineer #WebDevelopment #RemoteJobs #PostgreSQL #APIDevelopment #SaaS