Implemented an automated Know Your Customer (KYC) system, facilitating a seamless transition for existing customers to migrate effortlessly to a white-label payment processor

Led technical initiative to use event sourcing for payment account management to significantly improve system reliability and traceability

Added Redis caching to payments microservice to cut down database load by over 80%

Facilitated data structures and algorithms interviews for mid and senior level candidates

Developed system to reconcile millions of payments every day against reports downloaded from our payment service provider

Built a system to asynchronously process orders in a distributed workflow based processing system

Implemented a mechanism to automatically recover order processing from payment processor outages

Added Level 3 Data to our payment processing flows to improve take rate

Built Fusion.js frontend with AWS backend that displays track hardware device information

Created hardware performance metrics system that logs track hardware device metrics and offloads them to AWS

Implemented TCP to improve communications between track hardware devices

Made command line simulator to allow testing of all track hardware device communication without hardware