* Working on development and optimization of Peer-to-Peer (P2P) and Peer-to-Merchant (P2M) payment systems for WhatsApp Payments in India and Brazil, driving seamless, secure, and scalable transactions.

* Designed and implemented end-to-end payment workflows, integrating with local financial institutions and payment gateways to support a wide range of transaction types.

* Collaborated with cross-functional teams to ensure compliance with local regulations (e.g., NPCI, RBI guidelines in India) and integration with national payment systems like UPI.

* Focused on building highly secure and resilient payment infrastructure, optimizing for performance, low-latency transactions, and ensuring smooth mobile experiences even under low-bandwidth conditions.