A software development company founded in 2011 and based in Tallinn, Estonia, employs a team of over 100 professionals, including software engineers, UI/UX designers, project managers, business analysts, and quality assurance specialists. The company specializes in creating web and mobile applications for clients worldwide. ● Developed and maintained robust web applications using Ruby on Rails, ensuring high performance and scalability. ● Implemented backend architecture using the Trailblazer gem as the primary framework to structure business logic and workflows efficiently. ● Implemented background processing with Sidekiq and scheduled jobs using sidekiq-scheduler. ● Designed and implemented authentication using jwt_sessions, ensuring secure user management. ● Integrated third-party services such as Twilio, Stripe, and Sendgrid for messaging, payments, and email services. ● Led initiatives for improving code quality and performance using tools like RuboCop, reek, bundle-audit, fasterer, and brakeman. ● Wrote comprehensive unit and integration tests using RSpec, achieving high code coverage and robust error handling. ● Utilized Draper for clean code separation in views and Pagy for efficient pagination.