Asad Manzoor

Tools : Spring Boot , Git , Maven , SQL Server, Cassandra

• Designed and implemented a data migration solution for a Cassandra database to transition to a new table with an optimized primary key, enhancing query performance and scalability. Developed a multi-instance, multi-threaded utility with failure recovery for seamless migration and upgraded the codebase to support dynamic configuration, enabling the application to read from either the old or new table. Ensured data consistency through rigorous testing, delivering improved performance and future scalability with minimal disruption.

Tools : Rest, Git, Informix

Implemented and successfully integrated Server-Sent Events (SSE) support into the existing Restful Architecture. This initiative aimed to enhance real-time communication capabilities, enabling seamless streaming of updates from the server to clients. By leading the design and implementation of SSE, I significantly improved user experience, providing instant updates and notifications. Collaborating with cross-functional teams, I successfully integrated SSE support, documented the implementation, and conducted training sessions for the development team, contributing to the overall advancement of our technology stack.

Tools : Spring Boot , Kafka , Git , Maven , Docker , Informix

• Worked in transformation of existing Push Notification API into five specialized microservices – Builder App, Dispatcher App, Persistor App, Health Check App, and Store and Forward App – using Spring Boot and Kafka as message broker.
• Engineered seamless communication and real-time message delivery, ensuring modularity, scalability, and improved system performance. Enhanced the system's robustness by implementing centralized logging using Graylog Server, resulting in streamlined monitoring and debugging capabilities

Tools : Java, Informix, MultiThreading, Rest

• Developed seamless integration of key 3rd party services, including Visa Roam (enabling users to link paynames with cards for transactions), Visa Stop Payments (facilitating effortless merchant transaction blocks), and Amex Offers (empowering cardholders to access merchant offers) into existing system architecture. Successfully incorporated Cross River Bank APIs to expand functionality further. Demonstrated adeptness in API integration and collaboration with external partners, enhancing overall user experience and enabling customers to leverage wider range of services within platform