Experience

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  Mphasis an eds company

  Jul 2005 - Jul 2010

  Senior software engineer

  Intranet application development for Banking clients involving Java programming language, Struts & Hibernate framework in waterfall model using CVS as Versioning System & Eclipse, WSAD as IDEPL/SQL scripts development for performing batch upload using Oracle 8i Production Support for critical Banking Projects Handling Prod critical service Requests, code enhancements , bug fixes and Document Management.

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  Wipro limited

  Aug 2010 - May 2016

  Tech lead

  •Develop micro services in Groovy for Checkout/Fulfillment module in Rest-Jersey and spring implementation for finding store availability, standardizing address and Payment-Resource with GET/POST/PUT/DELETE http methods. •Integration with other SAAS services running in distributed server-using Rest Template with heavy usage of AOP and handling exceptions in multiple layers across distributed servers. •E-commerce application development in PAAS instances for PDP, PLP and Rebate Pages in a SOA architecture using Spring MVC, Interceptors and Filters in Edge Side Includes thereby making A/B Testing feasible and Amazon web services s3 for storing content managed files. •Development of secured Spring MVC projects for Advance-Exchange module with asymmetric Encryption and Hashing for communicating across channels with Guava cache implementation for Wishlist modules. •Development in ATG e-commerce right from Browse experience to fulfillment of an order spanning the complete lifecycle of a Shopping cart experience using Profile, Promotions, Shopping Cart Modifier & Offer Pages. •Worked with Product Managers and BAs in Agile development environment and involved in scrum and sprint task, day to day team meetings, status updates and task updates. •Worked with the Tech-Architects during design meetings and reviews for the wireframes and flows, and providing the best optimized design.•Maintained the dynamically changing content in AKAMAI user interface.•Worked with the front-end developers to integrate the changes and in fixing issues. •Provided support for the project during and after production deployment.•Development of Store availability Services in Groovy language.•Developed secure coding by implementing hashing and encryption for plans module.•Migrated browse pages of mobile version for listing pages , offers & Home Page into wicket framework. Show less

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  Cognizant

  Jun 2016 - now

  Solutions architect

  • Enable Application Migration with Technology and Data Architecture, apply ADM models and migrate applications from Legacy stack to Cassandra.Gather technical requirements, model and design services that interacts with other services in cloud and apache Cassandra. • Proposed and developed time series data model in cassandra for capturing flight movement data from flighthub integrating with Hazelcast.• Set up a 6 node cluster formation for cassandra.• Design services to meet SLA of 40 ms response time for a round trip call on a 750 tps with 3 containers in cloud. • Develop a scalable Cloud enabled spring boot service for Promise micro services with hibernate validation framework, Hystrix enabled feign client, hystrix fallback, Async bound statements with Cassandra, , exception handling with Controller advice.• Develop junit’s, integration tests for micro services app and delta feed consumer• Develop Apache Spark data load jobs for porting data from file system to Cassandra.• Serve as the Liaison between enterprise architect/devops and software development team to broadcast the requirements and drive them.• Develop eureka & config server for registering spring boot apps.• Offload Cassandra db with ehcache implementation supporting LFU eviction policy• Coordinate Performance testing team for Load testing app, assess results and improve app's performance based on results.• Create docker related and Jenkins pipeline related files referring existing model. Show less