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cognine

Full Stack Developer - Ruby on Rails

Hyderabad, India

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hirly's read of this role

Role family
Engineering
Seniority
Mid level
Country
IN
Work mode
On-site / unstated
First seen by hirly
9 Nov 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Key Responsibilities:

  • Design, develop, and maintain scalable, secure, and high-performance applications using Ruby on Rails, MVC architecture, and ORM.
  • Develop RESTful APIs, backend services, and third-party integrations, including Stripe, Auth0, and FusionAuth.
  • Build and maintain automated test suites using RSpec (mandatory) and Cucumber.
  • Develop new frontend features using React and maintain existing applications built with Backbone.js and Marionette.js.
  • Implement background job processing using Sidekiq and optimize application performance through Redis/Memcached caching.
  • Design and optimize relational databases such as PostgreSQL ensuring performance and data integrity.
  • Troubleshoot application issues, remediate security vulnerabilities, and maintain code quality through best practices and CI/CD pipelines.
  • Enhance browser extensions, including password autofill and authentication capabilities.
  • Contribute to AI-enabled features, CLI tools, desktop applications, and React Native mobile enhancements.
  • Support SOC 2 compliance requirements, security reviews, and technical audits.

Required Skills & Qualifications:

  • 4–5 years of hands-on experience in Ruby on Rails development, including strong expertise in RSpec testing.
  • 3+ years of experience with JavaScript frameworks, particularly Backbone.js, Marionette.js or similar agent-led framework, and React library.
  • Strong proficiency in HTML5, CSS3, JavaScript (ES6+), and frontend integration with Rails applications.
  • Experience with ActiveRecord ORM, PostgreSQL, RESTful APIs, and database optimization.
  • Hands-on experience with Sidekiq, Redis, and third-party authentication/payment integrations.
  • Experience with GitHub Actions, CI/CD pipelines, debugging, and performance optimization.
  • Good understanding of application security, secure coding practices, and automated testing.

Good to Have:

  • Experience with Cucumber and behavior-driven development (BDD).
  • Exposure to React Native, browser extension development, and desktop applications.
  • Familiarity with AI integrations, CLI development, and SOC 2 compliance.
  • Knowledge of Redis Cache and application profiling tools.
  • Knowledge of React Native, CodeRabbit, build.io hosting, Sendgrid and Astro marketing site.
Original posting on cognine's site ↗

Listed on hirly, a job board. hirly is not the employer: cognine is hiring for this role.

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