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Work Experience
Senior Software Engineer
accenture•  January 2021 - Present
Finastra (Fintech) : The team is responsible for enhancement and development of functionalities for Core modules of Global Pay Plus (GPP). In the process of upgrading the existing monolithic architecture to Microservices architecture. As part of the Core GPP team of Finastra , worked in enhancing the product Global Pay Plus (GPP). Researched on MongoDB Change Stream and integrated the mechanism for payment flow in GPP. With respect to migration to Microservice Architecture, have also researched and demonstrated the integration of ELK stack with logback xml to monitor the logs of the Microservices. Tools : Java 8, Spring Boot, Restful Web services, Mongodb,ELK
Associate
Cognizant Technology Solutions•  January 2015 - January 2021
ING Netherlands : Worked at client locations in the Netherlands for ING. As a Senior Java Developer, designed, developed and maintained web services which provides accounts and balances information to customers under PSD2 Program. Common Logging Utility : Took ownership, designed, developed and delivered a common logging utility, which can be used as a common feature in java applications for logging to the central database. Tools : Java 8, Spring Boot, Restful Web services, Junit 4, Mockito, ELK, Tibco EMS, Sonarqube , Microservice Architecture , Test Driven Development (TDD), Apache Kafka, JWT Token Authorization, GIT, Jenkins, Unix Shell Scripting and Agile Methodology O2 Telefonica : Contributed actively as a developer for development of an application called Validator. It is a component of SMIP(Smart Metering Implementation Program). Validator intercepts messages from Smart meters installed on premises and validates the message before passing to SMIP. Good exposure to client interaction while working at client locations in the United Kingdom. Actively involved in enhancement of Validator.Extensively participated in DevOps roles like configuring Sonarqube in Jenkins, and introducing to CI/CD pipeline. Enhanced the performance monitoring of the application using Jmeter and ELK. Testing Utility : Independently designed and developed utility, which was required to test faulty messages with the signature provided with them. The utility automated the process of detecting error quickly and efficiently Tools : Java 8, Spring Boot, Spring Security, Junit, Restful Web services, IOT,SonarQube, Jenkins, ELK, Jmeter and Tomcat Huawei : Implemented CLI Commands to display Router configurations in a network by extending the feature of ONOS. Customized the feature to load router configuration in the network by extending ONOS,specific to OSPF, through Rest Api. Acquired substantial knowledge on OSGI framework while working for the project. Tools: Java 8, Restful Web services, ONOS (Open Network Operating System), OSGI Framework, Apache Karaf, Maven , SDN Project.
Senior Software Engineer
Larsen and Toubro Infotech Ltd•  December 2013 - December 2014
Nordea : Designed , developed and enhanced a middle-ware application for a banking client. The middle-ware checked the type of the request and route the request to the appropriate backend. Tools : Java, Spring , Spring Integration, Java Messaging Services, Junit and EasyMock.
Solution Integrator
Ericsson•  December 2011 - December 2013
Mobistar : As a module lead, designed and developed key features in the IBP (intra Billing Provisioning) adapter, a non-kernel component to a Billing product of Ericsson (BSCS). Tools : Java, Spring and Jdbc Template. Telstra : Developed Bill Generation process of Billing product of Ericsson Tools: XSLT, XSL FO, EDITIX and Java 6.0
Systems Engineer
Tata Consultancy Services Ltd•  September 2009 - November 2011
MahaOnline (Portal for Maharashtra Government) , West Bengal E-District : Developed web applications for different services provided to citizens of India. Created common components to be reused in the web applications like Personal details component, Family details component and payments module. Tools : Java 6.0, Javascript , JSP , Servlets , Hibernate 3 and YUICompressor
Education
University of Calcutta
Information Technology, B.Tech•  June 2006 - June 2009
University of Calcutta, Calcutta
Computer Science, BS•  July 2003 - July 2006
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