Full Stack Developer - Ruby on Rails

Cognine Technologies; Hyderabad; On-site; INR 1,400,000 - 2,400,000; Full time

Job summary

Cognine Technologies in Hyderabad is seeking a full‑time Ruby on Rails developer to design, build, and maintain scalable backend services, RESTful APIs, and secure third‑party integrations such as Stripe, Auth0, and FusionAuth.

You will create frontend features with React while supporting legacy Backbone.js/Marionette.js code, optimize performance with Sidekiq and Redis caching, and ensure robust testing with RSpec and Cucumber as part of CI/CD practices.

Qualifications

• 4–5 years of hands‑on Ruby on Rails development, with strong RSpec testing experience.
• 3+ years of experience with JavaScript frameworks (Backbone/Marionette and React).
• Strong HTML5, CSS3, and JavaScript (ES6+) skills; proficient Frontend integration with Rails.
• Experience with ActiveRecord, PostgreSQL, RESTful APIs, and database optimization.
• Hands‑on with Sidekiq, Redis, and third‑party authentication/payments integrations.
• Experience with GitHub Actions, CI/CD pipelines, debugging, and performance optimization.
• Solid understanding of secure coding practices and automated testing.

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 performance through Redis/Memcached caching.
• Design and optimize PostgreSQL databases ensuring performance and data integrity.
• Troubleshoot issues, remediate security vulnerabilities, and maintain code quality via CI/CD pipelines.
• Enhance browser extensions, AI features, CLI tools, desktop apps, and React Native mobile enhancements.
• Support SOC 2 compliance requirements, security reviews, and technical audits.

Skills

Ruby on Rails

RSpec

JavaScript

Backbone.js

Marionette.js

React

PostgreSQL

REST APIs

Sidekiq

Redis

GitHub Actions

CI/CD

Security

Tools

Stripe

Auth0

FusionAuth

Sidekiq

Redis

React

Job description

5-6

Hyderabad

Full-Time

• 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.
• Contribute to AI-enabled features, CLI tools, desktop applications, and React Native mobile enhancements.
• Support SOC 2 compliance requirements, security reviews, and technical audits.

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.