
Real job — pulled straight from Cognine’s careers page · Verified November 13, 2026 · No reposts.
Job description
Cognine is hiring a Full Stack Developer — a full-time, based in Hyderabad, India role. Apply directly on Cognine's careers page below.
Full Stack Developer - Ruby on Rails
Location: Hyderabad, India
Department: Delivery
Experience: 5-6
- 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.
- 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.
- 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.
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Frequently asked questions
What skills are required for Full Stack Developer at Cognine?
The required skills for Full Stack Developer at Cognine include: Ruby on Rails, REST, JavaScript, React, Redis, PostgreSQL, CI/CD, GitHub Actions, HTML, CSS, SOC 2, React Native.
What is the seniority level for Full Stack Developer at Cognine?
Full Stack Developer at Cognine is a Mid Level level position.
How do I apply for Full Stack Developer at Cognine?
You can view the full description and apply for Full Stack Developer at Cognine on EchoJobs: https://echojobs.io/job/cognine-full-stack-developer-ruby-on-rails-z7e38.