Ruby on Rails Developer

Location: South Africa, Kenya

Workplace: remote

Description

Ruby on Rails Developer – Rails, PostgreSQL, APIs & Sidekiq

Full-Time | Remote | U.S. Business Hours

About the Role

At Pavago, one of our clients is hiring a Ruby on Rails Developer to build, maintain, and optimize scalable production web applications and APIs.

This is a hands-on engineering role focused on Ruby on Rails, PostgreSQL, REST APIs, background jobs, performance, and clean, well-tested code.

You’ll work with product and engineering teams to ship reliable features, improve application performance, and maintain systems built for scale.

What You’ll Own

Ruby on Rails Development

• Build and maintain production Ruby on Rails applications
• Develop backend services, business logic, and internal tools
• Work with Ruby, Rails, ActiveRecord, and MVC architecture
• Build reusable, maintainable services following Rails best practices
• Integrate with front-end technologies such as Stimulus, React, or Vue.js

APIs & Integrations

• Design and maintain RESTful APIs
• Integrate third-party APIs, SaaS platforms, and payment systems
• Build and maintain webhooks and background synchronization jobs
• Implement authentication, authorization, and rate limiting

PostgreSQL & Background Jobs

• Design and maintain PostgreSQL/MySQL schemas
• Optimize SQL queries, indexes, and database performance
• Build asynchronous workflows using Sidekiq/Resque
• Work with Redis and caching strategies to improve performance

Testing & Code Quality

• Write unit, integration, and system tests using RSpec, Minitest, or Capybara
• Maintain clean, readable, and well-tested code
• Participate in code reviews and CI/CD workflows
• Help reduce technical debt and improve long-term maintainability

Performance, Security & Reliability

• Troubleshoot production issues and performance bottlenecks
• Improve API response times and background job performance
• Follow secure development and OWASP best practices
• Monitor application health using tools such as New Relic, Datadog, Honeybadger, or Rollbar

Requirements

• 3+ years of professional Ruby on Rails development experience
• Strong proficiency in Ruby, Rails, ActiveRecord, and MVC
• Hands-on experience with PostgreSQL or MySQL
• Experience building and integrating REST APIs
• Experience with Sidekiq or Resque
• Familiarity with Redis, caching, and background processing
• Experience with Git and CI/CD pipelines
• Strong understanding of scalable backend application development
• Strong debugging and problem-solving skills
• Comfortable working remotely during U.S. business hours

Nice to Have

• React, Vue.js, or Stimulus experience
• AWS, GCP, or Heroku deployment experience
• SaaS, fintech, healthcare, or e-commerce background
• Experience with Devise or OmniAuth
• Experience optimizing high-traffic Rails applications

What Success Looks Like

• Reliable, production-ready features shipped on time
• Clean and maintainable Rails code
• Strong automated test coverage
• Improved API and database performance
• Fewer production errors and reduced technical debt
• Stable and scalable application performance

Why Join

• Work on real-world production Rails applications
• Hands-on ownership of backend systems and APIs
• Exposure to Rails, PostgreSQL, Sidekiq, Redis, cloud infrastructure, and performance optimization
• Opportunity to influence technical architecture
• Fully remote environment
• Growth path into Senior Rails Engineer, Backend Engineer, Tech Lead, or Platform Engineering

Interview Process

1. Initial Phone Screen
2. Spark Hire Intro Video
3. Recruiter Interview
4. Technical Assessment – Rails API + Tests
5. Client Engineering Interview
6. Offer & Background Verification

Apply Now

If you’re an experienced Ruby on Rails Developer who enjoys building scalable APIs, optimizing PostgreSQL applications, and writing clean production-grade code, we’d love to hear from you.

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