• Worked on implementing Vitesse integration for processing payouts to merchants.

• Worked on creating batch process to update instrument and payments for merchants that are conditionally approved.

Co-designed and Implemented core payment systems that can process credit card, debit card, bank, APM, 3DS payments using REST based APIs.

Experience in building robust dockerized microservices and event-based systems using Apache Kafka, Spring boot on multi-datacenter AWS cloud platform.

Experience in both SQL and NoSQL based systems.

Worked on batch processing payment data for payment processors like First Data and Vantiv.

Used LMAX disruptor framework to process batches more efficiently.

Created test suites using Junit and Karate.

Experience using New Relic, Splunk and ELK for debugging and performance monitoring.

Used Liquibase library that helped track and deploy database schema changes reducing the work of developers and DBA.

Used GoAnywhere tool to securely transfer batch files from AWS S3 to bank and payment processor SFTP servers and vice versa.

Worked on various different framework creations like Configurable offers, Customer Lifecycle Risk Management, Commercial etc. which enhanced and improved the quality and reduced the offers time to market.

Implemented an application that would help business and developers to reduce the time to create new offers in the system using Spring MVC.

Created XML stylesheets for rendering XML responses for CPQ tool which reduced the time required by developers to debug and analyze.

Performed performance tuning and optimization in the application using ehCache. Implemented caching to save the request responses to server customers with faster responses.

Refactored java logic in the system that enhanced the performance of displaying offers to the customers.

Involved in user interface design for agent and customer UI pages using JSP and Jquery.

Worked on CPQ modules: visual modeler configurator, pricing manager and product catalog.