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I am a Senior Full Stack Engineer with over nine years of experience building scalable and maintainable web applications, specializing in Ruby on Rails as the core backend framework. I have a proven track record of architecting secure and efficient APIs using GraphQL and REST, managing relational databases like PostgreSQL and MySQL, and writing robust test suites with RSpec and Minitest. I am adept in authentication systems with Devise and JWT, background job processing using Sidekiq, and deploying applications with Heroku, AWS, and Docker. Passionate about writing clean, maintainable code and optimizing system performance, I also enjoy mentoring junior developers and working collaboratively in agile, cross-functional teams across domains including finance, healthcare, and SaaS.…I am a Senior Full Stack Engineer with over nine years of experience building scalable and maintainable web applications, specializing in Ruby on Rails as the core backend framework. I have a proven track record of architecting secure and efficient APIs using GraphQL and REST, managing relational databases like PostgreSQL and MySQL, and writing robust test suites with RSpec and Minitest. I am adept in authentication systems with Devise and JWT, background job processing using Sidekiq, and deploying applications with Heroku, AWS, and Docker. Passionate about writing clean, maintainable code and optimizing system performance, I also enjoy mentoring junior developers and working collaboratively in agile, cross-functional teams across domains including finance, healthcare, and SaaS.

Rajesh Bhavnani

Full Stack Developer, Back-End Developer, Developer, +2

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I am a Senior Full Stack Engineer with over nine years of experience building scalable and maintainable web applications, specializing in Ruby on Rails as the core backend framework. I have a proven track record of architecting secure and efficient APIs using GraphQL and REST, managing relational databases like PostgreSQL and MySQL, and writing robust test suites with RSpec and Minitest. I am adept in authentication systems with Devise and JWT, background job processing using Sidekiq, and deploying applications with Heroku, AWS, and Docker. Passionate about writing clean, maintainable code and optimizing system performance, I also enjoy mentoring junior developers and working collaboratively in agile, cross-functional teams across domains including finance, healthcare, and SaaS.…I am a Senior Full Stack Engineer with over nine years of experience building scalable and maintainable web applications, specializing in Ruby on Rails as the core backend framework. I have a proven track record of architecting secure and efficient APIs using GraphQL and REST, managing relational databases like PostgreSQL and MySQL, and writing robust test suites with RSpec and Minitest. I am adept in authentication systems with Devise and JWT, background job processing using Sidekiq, and deploying applications with Heroku, AWS, and Docker. Passionate about writing clean, maintainable code and optimizing system performance, I also enjoy mentoring junior developers and working collaboratively in agile, cross-functional teams across domains including finance, healthcare, and SaaS.

Available to hire

I am a Senior Full Stack Engineer with over nine years of experience building scalable and maintainable web applications, specializing in Ruby on Rails as the core backend framework. I have a proven track record of architecting secure and efficient APIs using GraphQL and REST, managing relational databases like PostgreSQL and MySQL, and writing robust test suites with RSpec and Minitest.

I am adept in authentication systems with Devise and JWT, background job processing using Sidekiq, and deploying applications with Heroku, AWS, and Docker. Passionate about writing clean, maintainable code and optimizing system performance, I also enjoy mentoring junior developers and working collaboratively in agile, cross-functional teams across domains including finance, healthcare, and SaaS.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Senior Full Stack Engineer at datarockets

March 1, 2020 - Present

Led backend development for multiple SaaS platforms using Ruby on Rails, implementing business logic via Active Record and delivering performant GraphQL APIs. Built secure authentication and authorization features with Devise and JWT, increasing test coverage beyond 90% using RSpec and Minitest. Managed PostgreSQL and MySQL databases, optimized query performance, and developed background job systems with Sidekiq and Redis. Deployed and maintained applications on Heroku and AWS EC2 using Docker, and streamlined CI/CD workflows with GitHub Actions. Created dynamic frontend components with React and mentored junior developers in best practices, TDD, and clean architecture.

Senior Full Stack Engineer at Baytech Consulting

February 29, 2020 - August 22, 2025

Developed large-scale enterprise systems in Ruby on Rails including features for invoice management, reporting dashboards, and user permissions. Built and maintained high-traffic GraphQL and RESTful APIs. Implemented robust test frameworks using RSpec, Capybara, and FactoryBot, managed massive Sidekiq job queues, and integrated payment processing with Stripe and identity verification via Auth0. Built CI/CD pipelines from scratch with GitHub Actions and Jenkins, migrated monolithic features to a service-oriented architecture, and collaborated with cross-functional teams to meet project goals.