Key Responsibilities

• Lead end-to-end development of web applications using Ruby on Rails.
• Architect and implement scalable back-end systems, APIs, and integrations.
• Drive code quality through reviews, refactoring, and best practices.
• Collaborate with front-end, DevOps, and QA teams to ensure seamless delivery.
• Optimize application performance, database queries, and background processing.
• Mentor and guide junior/mid-level developers; participate in technical hiring.
• Write automated tests (RSpec/Minitest) to maintain code reliability.
• Stay current with emerging technologies, frameworks, and best practices.
• Participate in sprint planning, technical design discussions, and documentation.

Required Qualifications

• 6+ years of professional experience with Ruby on Rails.
• Strong knowledge of PostgreSQL, Redis, Sidekiq, and ActiveJob.
• Experience with API-first architectures (REST and GraphQL).
• Deep understanding of Object-Oriented Programming, Design Patterns, and SOLID principles.
• Hands-on experience with Docker, CI/CD pipelines, and AWS (or other cloud platforms).
• Familiarity with microservices architecture and service-oriented design.
• Proficiency in unit testing, integration testing, and test-driven development (TDD).
• Excellent debugging, analytical, and problem-solving skills.
• Strong communication and leadership abilities.

Preferred Qualifications

• Experience with React/Vue.js or similar front-end frameworks.
• Experience scaling large-volume applications (millions of users/requests).
• Prior work with payment gateways, background jobs, or multi-tenant systems.
• Strong GitHub portfolio.
• Familiarity with Agile methodologies and Jira/Trello workflows.