Aug 2015 – Dec 2017 · 2 yrs 4 mos · bangalore

• Big data platform in Trust and safety Flipkart
• Apache Spark and hdfs for real-time and batch distributed data processing
• GraphX's Pregel API, K-means, Cure, Connected Components, PageRank for algorithms of scale
• Performance tuning in spark
• Redis for caching
• Hbase/Mysql for datastore
• Kafka for resilient streaming
• Zookeeper for distributed config and management
• Camel for designing workflow and components
• Rule engine using Drools
• Grafana for monitoring dashboards, Alertz for alerting
• Hystrix and Kafka for making applications resilient
• Codahale for metrics, alerting and monitoring of camel/spark cluster, TsDb as a metric store
• jmeter for benchmarking
• Quartz infrastructure for scheduling
• Dropwizard, netty io for hosting web services
• node js, react js for web development
• Spring activity for workflow management
• Programming languages:- Core Java, Scala, python, nodejs, ruby, pig, hive

Jul 2013 – Jun 2015 · 1 yr 11 mos · Pune Area, India

• Credit Risk Exposure processing. Migration of Repos, securities lending and prime finance processing from mainframe to a service oriented architecture in Java
• core java and multi threading for fast processing
• gemfire as a distributed cache, Gemfire's custom serialization
• Spring Batch and Spring Integration for workflow design.
• Creation of database diff utility using PL/SQL, sql loader.
• Creation of file based diff utility using awk.
• Programming language :- Core Java, PL/SQL, shell scripting

May 2012 – Jun 2013 · 1 yr 1 mo · pune

• Loyality Points to Cash on Card (Pointspay)
• Core Java and mutlithreading in processing
• Spring Batch for processing, Spring Security for Authentication and Authorization
• Hibernate, Struts for middleware development
• jQuery and Jsp for presentation tier development
• Lucene for fast search
• jCryption for encryption over and above ssl
• Programming languages : Core Java, javascript, python, PL/SQL

Sep 2008 – Apr 2012 · 3 yrs 7 mos · pune

• Penal Rates/Collaterals
• Internet Banking
• Java, Finacle scripting for middleware development
• Struts as a controller
• javascript, jsp and css for presentation layer.
• PL/SQL as data access mechanism
• Programming language : C, C++, Java, javascript, python, PL/SQL