Senior / Principal Ruby on Rails Engineer (Technical Lead)

Experience:
7–12+ years

Location:
Bangalore (starts as remote, however should be ready to work from office in future) Technical Responsibilities
• Design and develop scalable applications using Ruby on Rails
• Architect and implement RESTful APIs and microservices
• Optimize application performance, database queries, and system throughput
• Lead code reviews, enforce coding standards, and improve code quality
• Handle system design, scalability, and high-availability architecture
• Implement background processing systems using Sidekiq/Resque
• Manage database schema design, indexing, and query optimization
• Work with caching mechanisms (Redis/Memcached)
• Integrate third-party APIs and external services
• Implement CI/CD pipelines and automate deployments
• Debug production issues and perform root cause analysis Technical Requirements
• Strong expertise in Ruby on Rails (7+ years)




• Deep understanding of MVC architecture and Rails internals
• Proficiency in ActiveRecord, migrations, and schema design
• Solid experience with PostgreSQL/MySQL
• Experience in API design (REST/JSON)
• Knowledge of background job processing (Sidekiq/Resque/Delayed Job)
• Experience with Redis and caching strategies
• Hands-on experience with AWS (EC2, S3, RDS, etc.)
• Familiarity with Docker and containerization
• Experience with CI/CD tools (GitHub Actions, Jenkins, etc.)
• Strong knowledge of Git and version control workflows
• Understanding of scalable system design and distributed systems Preferred Technical Skills
• Experience with frontend frameworks (React/Vue.js)
• Knowledge of GraphQL
• Experience with event-driven architecture (Kafka/SQS)
• Familiarity with monitoring tools (Prometheus, ELK, Datadog)
• Experience with multi-tenant SaaS architectures

📌 Senior Ruby on Rails Engineer (India)
🏢 Welkin Soft Tech
📍 India