Software Developer at Amazon

Coupon engine is distributed system through which we can distribute coupons to the users and handle its complete coupon journey. Coupon engine gives flexibility to the business to release new exciting offer for the users which will attract 

Coupon Engine

In this project , I wrote session token authentication service which can handle large amount of request at an time. which internally uses caching to scale up as well as database for failover.

Authentication Service

In this project, I used RabbitMQ routing strategy to track how code behaves for an particular user. Also make it trigger based so we can enable it whenever we will get errors on production servers.

Debugger for web services

In this project, I have used redis (cache engine) to store and validate an particular user otp. Motivation behind this project to remove extra effors for  db maintaince and clean ups. 

Cache based OTP Service

The prediction of users browsing behaviours is essential for putting appropriate information on the web which are done through weblogs. To handle the Big Data, we have proposed a new algorithm called Most Interesting Pattern Parallel FP-Gro

Fast prediction of web user browsing behaviours using most interesting patterns

Voice Newspaper makes possible to listen to every article of famous newspapers of India in Hindi and English. Whether working at gym, cooking at home, let Voice newspaper accompany you and enrich your day. It also helps illiterates to liste

Voice Newspaper

It is a mobile tracking security application which allows to track your phone when your mobile devices gets stolen or lost.The application uses the SIM facility of the device and also its GPS(geo positioning satellite) facility to pinpoint 

Track my phone+

Chat application : This application connects all the users to a server and allow to broadcast an message which is visible to all the user currently connect from server . This application also provides upload and download functionality to th

Vijay Khandal

Software Developer at Amazon