* Design architectures, implement medium to large size features to build online learning management systems. * Develop and maintain both RESTful APIs and GraphQL for web-based and mobile application with Ruby on Rails and PostgreSQL. * Design multitenant architecture and SaaS-enable applications for enterprises data isolation. * Host and develop admin panel from scratch based on SaaS architecture. * Design and maintain tests for all web applications with RSpec. Maintain code coverage above 90%.

Leading Website Redesign with 3 Engineers and 1 Designer CI/CD and Automated Deployment TDD, Unit Test Trouble Shooting Server Fatal Error SEO Optimization