Dec 2017 – Nov 2019 · 1 yr 11 mos · Gurugram, Haryana, India

Jul 2015 – May 2017 · 1 yr 10 mos · Gurugram, Haryana, India

• Direct Integration (DI) with Indus :
• Understanding the ISO 8583 standard for exchanging financial and network messages with banks and their implementation for Indus. Handled the UAT/Message Integration with Mastercard at Pune.
• Zero Auth transaction feature for SBI and HDFC.
• Service oriented architecture for Direct Integration :
• Extending and redesigning DI as an external service with merchant onboarding and authentication features so as to make it accessible as a service to clients(other payment aggregators like Citrus).It also involved pushing events to kafka for analysis and recon.
• Point-of-sale (POS) Middleware :
• End to end modules for Refund and Invoice generation for Payu POS transactions. It involved development of APIs for the transaction processor and end users and schedulers for async processing of tasks.
• Recon and settlement :
• Implementing module for SBI DI online refund’s recon and handling of merger of SBI associate banks for offline refunds.
• Notifying merchant and customer in async :
• This involved sending events from php to kafka via rsyslog so as to reduce transaction time.

Jan 2015 – Jun 2015 · 5 mos · Bangalore

• Wireless Network Simulator :
• Developed modules and scripts for creating virtual access points on a linux based virtual machine which connects to wireless controller.