Senior Ruby/Rails/React Engineer with experience in building and optimizing performance of user-centric, highly scalable websites using Ruby on Rails, as well as creating mobile native applications using React Native. Highly proficient in Ruby programming and Rails framework and hands-on experience in RDBMS (PostgreSQL, MySQL) and NoSQL (MongoDB).Hire Arslan
Worked on cloud-based solution that makes backflow testing easier. Responsibilities included fixing memory bloats in codebase, fixing rub excessive memory usage caused by heavily multi-threaded rails app, dockerizing existing rails app and specs, fixing bugs and depreciations to existing iOS, improving existing chrome extension, and using raw SQL to bulk import.
Refactored entire application into microservice architecture, completed overhaul from Rails v4 to v5, reduced dependencies on external libraries/gems, implemented a real-time chat and audio/video solution, switched from REST to GraphQL to fix data fetching, and setup automated deployment using CircleCI.
Integrated YouTube, Twitter, and Instagram APIs to fetch data and generate stats for users, improved query execution time of table with over 3 million records by using ElasticSearch's aggregations instead of PostgreSQL counts, set up proxy authentication in chrome, and set up automated deployment to AWS.