Designed and Implemented a highly configurable transaction service which is responsible for crediting and debiting money from user's wallet and maintaining a ledger account table for all types of user wallet transactions.Developed a consolidation system between transaction service and other services that ensures Eventual Consistency between databases in a distributed system.Integrated Coupondunia wallet with various 3rd party vendor platforms like Paytm Wallet, Mobikwik… Show more Designed and Implemented a highly configurable transaction service which is responsible for crediting and debiting money from user's wallet and maintaining a ledger account table for all types of user wallet transactions.Developed a consolidation system between transaction service and other services that ensures Eventual Consistency between databases in a distributed system.Integrated Coupondunia wallet with various 3rd party vendor platforms like Paytm Wallet, Mobikwik (Mobile/Dth recharges), Freecharge Wallet, Amazon Pay Gift voucher service and Bank withdrawals.Responsible for development of highly scalable Coupondunia partner API’s, it serves offers/deals as a service to our API partners and handles high scale of traffic from our API partners like Vodafone etc.Designed and Implemented code and database architecture of Promotion Service, which is responsible for creating user specific promotions and enables uniform implementation of different promotional campaigns run by CouponDunia.Designed and Implemented code and database architecture of highly scalable Logging service which is responsible for maintaining an log of user's activity on website. It uses a queue data structure to asynchronously log data in database. Show less

Worked on a web based data analytics platform which can collect huge amounts of location data and analyze it in real time to generate unique insights. It uses JQUERY (Frontend) and Java (Backend) with Mysql database, Analytics charts and graphs were built using google maps, Morris Chart library and D3.js.