Feb 2021 – Jul 2022 · 1 yr 5 mos · Bengaluru, Karnataka, India

• Contribution :
• 1. Knockout Tournament Engine
• 2. Esports (Skill Based Games eg: Chess, 8-Ball Pool)
• 3. API-Gateway
• 4. SmartFox Server

Aug 2020 – Feb 2021 · 6 mos · Bengaluru, Karnataka, India

• 1. Helped to build and enhance QR based backend services used by partner apps.
• 2. Developed and managed EDC payments for different clients.
• 3. Managed transactions like payment, refund, settlement for EDC devices.
• 4. Developed authentication service to enhance security for clients.
• 5. Designed and Developed OTP based ATM cash withdrawal service using wallet balance.

Apr 2019 – Aug 2020 · 1 yr 4 mos

• Developed backend system with following functionality for EDC(Electronic Data Capture) machines :
• 1. All In One QR flow
• 2. Cash flow
• 3. Enhanced Sale transaction with pre auth and capture flow.
• 4. Onboarding System for EDC devices.
• 5. Merchant onboarding for EDC devices.
• 6. Asynchronous EDC Reversal transaction flow.
• 7. Bank EMI and Brand EMI features

Jun 2016 – Mar 2019 · 2 yrs 9 mos

• 1. Helped to build and enhance highly available, scalable, real-time and secure systems for Payment Gateway.
• 2. Developed caching layer to centralize cache using aerospike database and reduced overloading of heap memory and GC uses.
• 3. Developed features/apis such as post transaction reconciliation, transactional/settlement reports, transaction/refund data search and Bank integration for transaction, refund and P2B.
• 4. Owned & successfully delivered migration of important services like Subscription service from legacy system to new platform.

Dec 2013 – May 2014 · 5 mos · Gwalior