Praveen Raj Email & Phone Number

Bengaluru, Ka, In

Gurugram, Haryana, India

Gurgaon, Haryana

● Made system more robust and secure by fixing vulnerabilities like sql injection, cross side scripting, csrf and by adding security headers like hsts, referrer-policy, content-security-policy, cache-control.● Generate student certificates using Aws Lambda and SQS and SNS, Node js.● Designed and develop bloom filter apis with multithreading on a different redis level like adding , flushing, percentage apis etc.● Integrated third party sms and voice sms api for time based opt verification using google authenticator.● Added circuit breaker approach to handle sms apis exception and api timeout using redis.● Upgraded spring to spring boot made changes , browser callback (secure flag).● Develop apis to generate unique id for order id in payment gateway.● Design and developed invoice generation system for payment.● Integrated captcha integration using google re-captcha.● Integrated ccavenue payment gateway for student transactions.● Added BlockIP / spamming feature in forgotpassword, login flow.● Designed and developed new standalone application (csc reporting) to externalise report data from disha-web○ Added Exception handling mechanism , swagger functionality○ Developed numerous dashboard APIs like map data, statewise / district wise / theisil wise etc○ Decreases time complexity for dashboard API for tp/tc/sia by adding caching and in-memory h2 feature○ Designed and Developed PopulateCSCData API to integrate two meity Dashboard APIs, to populate data in government website.● Design and develop re-authentication flow for csc by pass.● Guided team to develop mobile registration apis.

Gurgaon, India

● Taken primary ownership and monitoring production regularly.● Reduces transaction failure rate for rupay cards transactions by integrating redirect/Iframe flow of NPCI Paysecure in Payments System.● Developed Rest APIs for Digital Savings Account Axis Asap Save Card API, AuthorizationCheck API, FetchDebitCardDetails API, MiniStatement API, Balance Enquiry API etc using Spring MVC and Jackson.● Developed Rest APIs for Ops panel like transaction detail API, transaction list API, search transaction API etc.

Noida Area, India

● Taken primary ownership and monitoring production regularly.● Partially automated the txn payment reports for banks and merchants, which would be responsible to transfer money from bank to merchant via Pine Labs nodal a/c, by using Spring Batch, Spring MVC and JXLS, leading to ease in money settlement between the stakeholders.● Integrated CB / AR / Loan Recovery feature by adding Spring Steps and Spring MVC in batch processing, leading to recover any invoices / chargebacks / loans against any merchants.● Developed automated job which will email txn summary report monthly using Spring Quartz .● Developed UI screens to send payment delay intimation to merchants on the basis of day/acquirer using Spring MVC .● Added dashboard graph showing Pine Labs earnings per day basis using Spring MVC, Jqplot plugin .● Reduced batch processing time from 1 & 1/2 hr to 1/2 hr for 6k+ transactions by using multithreading, indexing, sql optimization, removing obsolete code etc ● Removed unnecessary bank a/c duplication and their linking from system using SQL.● Added feature in UI to index individual entity based on annotation @Indexed using Java Reflection .● Found and fixed many critical bugs in the system.● Gave technical support to another Project KWOK. ➢ Added support to send SMS to both TSE and State coordinator using third party API . ➢ Automated issue report containing ageing, last update ageing etc for last two months using Crontab, SQL, Triggers.

Noida

● Implemented keyword search through ElasticSearch, Logstash and used Kibana for monitoring.● Developed library which can generate MVC from POJO class using java reflection .● Developed standard tag libraries using Jstl, spEL .● Developed many RestFul web Services like Customer Spent Pattern API, Store Detail API, UserRegister API, Customer Voucher API etc using Spring MVC and Jackson .● Developed True Gains Web Portal based on Spring MVC from scratch.● Developed Job scheduler which will send push notifications to mobile users using Spring Quartz,Spring MVC .● Developed Generic APIs to work with HSM for encryption and decryption.● Developed PL/SQL to generate image from table data and also done the archiving.● Worked with Jquery Plugins : Chosen, FormValidator, Jtable, SmartMenus, AppendGrid.● Won 3rd Quarterly award of 2015-2016.

Noida Area, India

● Automated report generation by using Shell script and PL/SQL to keep track of calls.● Designed/Developed Local portability API using JWS .● Created wsdl and corresponding stubs using Apache CXF for describing web services.● Done load performance testing using Jmeter tool with 10 threads per sec.● Continuous discussion/feedback from US and India team.

Noida Area, India

● Done automation testing of web application (project named MapInfo Stratus) using Selenium IDE.

Kalkaji

● Developed GUI using swing that writes data from database to excel sheet.

B.E, Information Technology

Activities and Societies: SITE-Technical Head,Founding Member,Organizing events - Programming, Online code breaking, quizzing.

Class Xii, Science, 88.2

Class X, 72.4