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Ruby on Rails Developer
Ruby on Rails DeveloperPavago • St Louis, MO, United States
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Ruby on Rails Developer

Ruby on Rails Developer

Pavago • St Louis, MO, United States
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  • [job_card.full_time]
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Ruby On Rails Developer

Position Type : Full-Time, Remote

Working Hours : U.S. client business hours (with flexibility for sprint reviews, deployments, and on-call support)

About the Role

Our client is seeking a Ruby on Rails Developer to build and maintain applications using the Rails framework. This role involves designing back-end systems, integrating APIs, managing databases, and collaborating with front-end teams to deliver end-to-end features. The Rails Developer ensures applications are secure, performant, and scalable, while contributing to a culture of clean code and best practices.

Responsibilities

Application Development :

  • Build and maintain Rails applications, APIs, and background jobs.
  • Implement business logic with ActiveRecord models, controllers, and views.
  • Integrate front-end frameworks (Stimulus, React, Vue) into Rails apps where required.

Database Management :

  • Design, migrate, and maintain schemas in PostgreSQL or MySQL.
  • Optimize queries for performance and scalability.
  • Implement indexing, caching, and background jobs (Sidekiq, Resque).

    • Testing & Quality Assurance :

  • Write and maintain unit, integration, and system tests (RSpec, Minitest, Capybara).
  • Ensure CI / CD pipelines are configured for automated testing and deployment.
  • Maintain ?80% code coverage and enforce style / linting rules (RuboCop, StandardRB).

    • Security & Compliance :

  • Implement user authentication / authorization (Devise, OmniAuth).
  • Enforce security best practices (CSRF protection, input validation, OWASP).
  • Ensure compliance with data privacy laws (GDPR, HIPAA as applicable).

    • Performance & Monitoring :

  • Optimize page load times, API response times, and background job throughput.
  • Monitor systems with tools like New Relic, Datadog, Honeybadger, or Rollbar.
  • Troubleshoot issues and deploy hotfixes with minimal downtime.

    • Collaboration & Documentation :

  • Work with product managers and designers to scope and prioritize features.
  • Participate in sprint ceremonies and provide accurate story estimates.
  • Document code, APIs, and workflows for long-term maintainability.

    • What Makes You a Perfect Fit

  • Deep knowledge of the Rails ecosystem and conventions.
  • Strong problem-solver who can balance speed and scalability.
  • Passion for clean, maintainable, and well-tested code.
  • Effective communicator, comfortable collaborating across teams.

    • Required Experience & Skills (Minimum)

  • 3+ years Ruby on Rails development experience.
  • Proficiency in Ruby, Rails, ActiveRecord, and MVC architecture.
  • Experience with PostgreSQL / MySQL and background job frameworks (Sidekiq, Resque).
  • Familiarity with Git workflows and CI / CD tools.

    • Ideal Experience & Skills

  • Experience with front-end integration (Stimulus, React, Vue).
  • Deployed Rails apps to Heroku, AWS, or GCP.
  • Familiarity with caching (Redis, Memcached).
  • Industry exposure in SaaS, fintech, healthcare, or e-commerce.

    • What Does a Typical Day Look Like?

    A Rails Developer's day revolves around building features, maintaining systems, and ensuring performance. You will :

  • Review sprint tasks, picking up new feature tickets from the backlog.
  • Write code for Rails applications, implementing business logic and integrating APIs.
  • Run and review tests, ensuring new code meets quality standards.
  • Collaborate with front-end and product teams, aligning features with user requirements.
  • Optimize performance by tuning queries, adding caching, or fixing bottlenecks.
  • Monitor error dashboards (Honeybadger, Rollbar) and deploy fixes as needed.
  • Document changes and update repos to keep the codebase maintainable.

    • In essence : you ensure applications are reliable, scalable, secure, and continuously improving.

    Key Metrics for Success (KPIs)

  • Features delivered on time and aligned with requirements.
  • Error rates and downtime minimized (?99.9% uptime).
  • Test coverage maintained ?80%.
  • Reduced technical debt and improved code maintainability.
  • Positive stakeholder feedback on feature quality and performance.

    • Interview Process

  • Initial Phone Screen
  • Video Interview with Pavago Recruiter
  • Technical Assessment (e.g., build a small Rails API with models, endpoints, and tests)
  • Client Interview with Engineering Team
  • Offer & Background Verification
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