Senior Ruby on Rails (RoR) Developer

About Persistent

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix Assessment 2026 and Software Product Engineering PEAK Matrix Assessment 2026.

About Position

We are looking for a highly skilled Ruby on Rails (RoR) Developer to lead the design, development, and optimization of scalable web applications. In this role, you will work on production-grade systems, drive architectural decisions, and ensure code quality and performance across the platform.

• Role: Senior Ruby on Rails (RoR) Developer
• Location: All Persistent Locations
• Experience: 3 to 8 Years
• Job Type: Full Time Employment
  
  

What You’ll Do

• Design & Develop Applications: Build and maintain scalable backend systems using Ruby on Rails, following best practices in design and architecture.
• Architectural Ownership: Drive technical design decisions, ensuring modular, maintainable, and high-performing codebases.
• Database Optimization: Design and optimize database schemas, queries, and indexing strategies using PostgreSQL/MySQL.
• API Development: Develop secure, scalable, and versioned RESTful APIs.
• Code Quality & Testing: Implement robust testing strategies using RSpec/Minitest, ensuring high code coverage and reliability.
• Production Support: Troubleshoot and resolve live production issues, participate in on-call rotations, and ensure system stability.
• Collaboration & Leadership: Lead code reviews, mentor team members, and collaborate with cross-functional teams.
• Release Management: Manage deployments, versioning, and CI/CD processes using Git-based workflows.
  
  

Expertise You’ll Bring

• Expert-level proficiency in Ruby and Ruby on Rails
• Strong hands-on experience with Rails 6.x / 7.x (latest preferred)
• Deep understanding of:
• Rails internals, MVC architecture, ActiveRecord, and callbacks
• Service objects, concerns, background jobs, and modular design patterns
• Advanced experience with PostgreSQL / MySQL, including:
• Query optimization
• Indexing and performance tuning
• Strong expertise in testing frameworks:
• RSpec / Minitest
• Test strategy, automation, and coverage
• Solid understanding of:
• RESTful API design
• API versioning and security best practices
• Proven experience managing production systems, including:
• Debugging live issues
• Handling on-call responsibilities
• Proficiency in Git, code reviews, and release management
• Demonstrated ability to work independently and lead technical initiatives
• Master’s or Bachelor’s degree in Engineering, Telecommunications, Computer Science or Software Technology or equivalent education
  

Benefits

• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Annual health check-ups
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents
  
  

Values-Driven, People-Centric & Inclusive Work Environment

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment
  
  

Let’s unleash your full potential at Persistent - persistent.com/careers

“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind."

Ruby on rails, Rails 6.x / 7.x, PostgreSQL / MySQL