Ruby on Rails Developer

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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