Jan 2019 – Jun 2021 · 2 yrs 5 mos · Bengaluru Area, India

Jan 2016 – Jun 2021 · 5 yrs 5 mos · Bengaluru Area, India

Jul 2015 – Jan 2016 · 6 mos · Chennai Area, India

• Built a messaging service through which users can communicate with other users in the same group and also individually
• Worked on customization of from addresses in all the emails from the application to make the email authentications(SPF, DKIM and DMARC) pass from majority of email servers
• Designed database to support multiple languages at a time using globalize gem
• Configured database character sets and collation levels to support both single‐byte characters like English and multi‐byte characters like Chinese

Jul 2014 – Jun 2015 · 11 mos · Chennai Area, India

• Fixed application wide SQL injections reported by IBM app scanner
• Fixed Cross site scripting by adding a new layer between user data submission and database storage which sanitizes the content using white list approach before saving in the database
• Prevented spam form submissions from bots using negative captcha as well as by blocking IP addresses without annoying genuine users
• Implemented a data import feature in which database refresh is done frequently by scrapping data files from s3 bucket which are submitted by customers

May 2013 – Jun 2013 · 1 mo · Bangalore

• Designed an object model, class design and code flow with a clean layered implementation for the walletofferserv, a restful web interface used to get the list of offers available to the user
• Added backend features to walletofferserv web service in java
• Used PayPal’s internal service DAL(Data Access Layer) to access data from database and store data in java class objects in the form of DO’s (Data Objects)

Nov 2011 – Apr 2012 · 5 mos · Mumbai, India

• Developed server side scripts using PHP which act as a bridge between database and users page
• Optimized database queries to retrieve data at a minimum cost
• Created an interface in which admin can do CRUD operations on a huge database