Experience with refactoring and restructuring a monolith front-end app to a flexible micro front-ends cluster Created from scratch a utility that allows users to do backtesting trading strategies on historical market data Build an automated CRM system for sending marketing emails and SMSs notification for users based on schedule and preferences Managed to create an automated and secured payment infrastructure which allows users to charge payment, calculate VAT, send invoices, add tips and charge restaurant fee Produced a secured exit poll system for analysis and decision-making process using Google Big Query Created a custom mobile and web-friendly WebRTC video player for an encoded video streaming and optimized video download from the cloud that helps save network bandwidth Executed custom map search for real estate properties with the option to group them on polygons based of GPS markers Have experience in mentoring junior front-end developers in the company