Role : Engineering Lead Leading team of engineers to design & develop early products for 3 software tracks : 1) Future Of Payments - CBDC, Blockchain 2) Security - SecureML, MPC on Cloud3) Digital Identity Network

Roles : Back-end Developer, Mobile App Developer--> Designed and developed Crypto Wallet in Android and backend APIs in Java to showcase the universal payment channels (UPC) protocol which allows a consumer to pay digital currency to merchant (interoperable) in real time by overcoming scalability concern of underlying blockchains--> Implemented distributed PSI computation between two independent parties using Spark and native PSI algorithms. --> Designed and developed prototype for Offline Payments on Op-TEE and Android devices, which relies on secure cryptographic exchange of funds between multiple TEE-enabled devices

Roles : Back-end Developer, Mobile App Developer--> Designed & Developed big data analytics engine to detect fraudulent transactions--> Developed configurable & scalable Spark job for aggregation on the transactional data by utilizing ETL pipeline for data ingestion, Spark SQL/Dataframe API for data processing and stored transformed data on Hive/RDBMS for web app and implemented robust caching solution using Redis--> Designed and developed frontend app (Android/iOS) and backend APIs as part of building real time expense management app for Visa Corporate Card--> Designed and developed OAuth 2.0 standard authentication and authorization APIs, device registration and push notification APIs using Spring Boot, Jersey and Spring Data JPA framework

Primary Responsibilities :--> Worked under Dr. Kevin Du and contributed to SEED project by analyzing & exposing Android system vulnerabilities (and countermeasures) as hands-on laboratory exercises for security education--> Contributed to the development of the Android x86 Image using AOSP to test Android Security Labs

Primary Responsibilities :--> Implemented business features for existing Title Source mobile applications (Signings, Appraisals)--> Designed and developed multiple internal games to promote company culture on iOS platform--> Designed and Developed ”Document Scanner” prototypes (iOS/Android) utilizing OCR library

Primary Responsibilities :--> Worked on Android app and contributed with backend integration--> Prepared report to revamp codebase and improved application that was facing serious ANR error up and above Android 4.3 version