Senior Backend Developer – Ruby on Rails and Node.js

About the job

Job Description: Senior Backend Developer – Ruby on Rails and Node.js Company: Katomaran Technologies Pvt. Ltd. Location: Coimbatore (Onsite) Experience: 4–6 Years Employment Type: Full-time Role Overview We are looking for a Senior Backend Developer with strong experience in Ruby on Rails and Node.js to design, develop, and maintain robust backend systems. The ideal candidate will take ownership of backend architecture, ensure performance and scalability, and collaborate closely with frontend, DevOps, and product teams. Key Responsibilities ● Design, develop, and maintain backend services using Ruby on Rails and Node.js ● Architect scalable, secure, and high-availability backend systems ● Develop and maintain RESTful APIs and backend integrations ● Optimize application performance, database queries, and background jobs ● Ensure high standards of code quality, security, and maintainability ● Work closely with frontend developers, product managers, and DevOps teams ● Implement authentication, authorization, and data protection mechanisms ● Participate in code reviews, technical discussions, and architectural decisions ● Mentor junior developers and provide technical guidance ● Troubleshoot production issues and ensure system reliability Required Skills & Qualifications ● 4-6 years of hands-on experience in Ruby on Rails and Node.js ● Strong expertise in Ruby on Rails (ActiveRecord, background jobs, API-only apps) ● Solid experience with Node.js (Express/NestJS or similar frameworks) ● Proficiency with PostgreSQL / MySQL ● Experience with NoSQL databases (MongoDB, Redis) ● Strong understanding of database design, indexing, and performance tuning ● Experience with AWS / Azure / GCP ● Familiarity with Docker and containerized deployments ● Exposure to CI/CD pipelines ● Knowledge of background processing tools (Sidekiq, Bull, etc.) ● Strong understanding of authentication, authorization, and security best practices ● Experience with third-party API integrations ● Familiarity with Git-based version control workflows Preferred Skills (Good to Have) ● Experience with event-driven systems or message queues ● Exposure to frontend technology (React.js) ● Experience in startup or product-based environments How to Apply Interested candidates can send their resumes to hr@katomaran.com Subject: Application –Senior Backend Developer (Ruby on Rails + Node.js)

Requirements

• Ruby on Rails
• Node.js
• RESTful APIs
• PostgreSQL
• MySQL

Qualifications

• 4-6 years of hands-on experience in Ruby on Rails and Node.js

Preferred Technologies

• Ruby on Rails
• Node.js
• RESTful APIs
• PostgreSQL
• MySQL

About the company

Katomaran Technologies is a technology-driven company building scalable, high-performance solutions across domains such as AI, Computer Vision, Video Analytics, and modern web platforms. We value clean architecture, ownership, and continuous learning.