Ruby on Rails Developer
- Salary
- Not stated
- Level
- Mid
- Work type
- Remote · South Africa only
- Visa
- Not stated
Open. First seen 8 October 2026.
About the role
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
- Initial Phone Screen
- Spark Hire Intro Video
- Recruiter Interview
- Technical Assessment – Rails API + Tests
- Client Engineering Interview
- 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.
#RubyOnRails #RubyDeveloper #RailsDeveloper #BackendDeveloper #PostgreSQL #Sidekiq #RESTAPI #SoftwareEngineer #RemoteDeveloper #RemoteJobs
Other openings for this role
2 open postings for this role in South Africa, first posted 2 October 2026. The company is likely hiring for more than one position. None has been taken down and posted again.
- 8 October 2026 – open (this posting)
- 2 October 2026 – open
Similar jobs
- Sr Ruby on Rails Developer - Remote - ONLY MEXICO at Scalepex
Shares 11 skills: Heroku, Ruby on Rails, Ruby… - Software Engineer - P26003 at Activate Interactive Pte Ltd
Shares 14 skills: New Relic, OWASP, Ruby on Rails… · same seniority - Full Stack Engineer - (Public Sector) at Xtremax Pte. Ltd.
Shares 14 skills: New Relic, OWASP, Ruby on Rails… · same seniority - Full-Stack Product Engineer, Ruby on Rails (m/f/d) at Solar Startup at VREY
Shares 9 skills: Heroku, Ruby on Rails, Vue… · same seniority - Lead Software Engineer at Verifone
Shares 13 skills: New Relic, OWASP, Datadog… - Product Designer - UX/UI & Design Systems (Remote) at Pavago
Also at this company
Is this your posting and you want it taken down? Email info@careerholo.com.