ABHINAY CHAVAN

Java Developer

Lyra•  June 2023 - Present•  Mumbai

Switch (ISO-8583): ECOM + POS  Currently working on switch project, here we communicating with major schemes like Amex, Visa, Mastercard, and Rupay using the JPOS framework with ISO-8583 coding format to communicate with schemes.  Integrated Amex with the Payment Gateway Switch for POS + ECOM.  Modified and maintained existing flows for Visa, Mastercard, and Rupay.  Created components such as Participants, Host Channel, Mux, and LogonManager.  Managed various switch operations including sign-on, sign-off, purchase, refund, void, reversal, settlement, RKI (Remote Key Injection), preAuth, and base24. LPG (Springboot & React Js) : ECOM  Integrated different banks with the payment gateway.  Developed new APIs and handled encryption/decryption of requests and responses as per bank specifications.  Enhanced backend (Spring Boot) and frontend (React JS) code for better performance and maintenance. Vodafone_Airtel_Jio API Integration (SpringBoot ) :  Independently integrated Vodafone, Airtel, and Jio APIs for in-depth SIM Network Management.

Java Developer

Paymentz - Payment Gateway Solutions•  July 2021 - June 2023•  Mumbai

Integration (Jsp & Servlets ) : ECOM  Integrated various banks with the payment gateway, implementing encryption, decryption, and 3D authentication flows.  Worked on transactions including Sale, Inquiry, Auth, Capture, Void, Refund, Payout, and Recurring.  Responsible for managing transaction flows end-to-end for bank integrations. 123Signed (Jsp & Servlets ) : Compliance  Developed new functionalities for KYC, KYB, and transaction monitoring.