- Managed the ticketing service for EDC installations, maintenance, and pull, offering both a web interface for admins and API integrations with client systems and vendor technician services.- Designed and built a middleware solution for ISO 8583 transaction processing from EDC to client hosts, replacing and upgrading the legacy system.- Implemented schedulers and cron jobs for tasks like automated email notifications and other operational needs.- Created the cashier loyalty service from the ground up, allowing users to earn points for transactions on EDC devices, along with features for attendance tracking and form submission.- Proposed and developed a centralized image uploader service to standardize and streamline image uploads across multiple services.

- Developed a Golang library for ISO 20022- Seamlessly interfaced with ISO 8083- Utilized Kafka as a message broker for efficient 
service communication- Extended functionality to include API integration