SUMMARY:

• Over 15+ years of full stack software product development life cycle experience ( primarily backend/server - side modules ) in various multi-tiered, web-based, commercial internal and external facing Java, J2EE and data-driven complex enterprise business application software (both non-Big data OLTP transactional and Big-data BI/DW/Analytics) on cross platform (Linux\Windows) based cloud (SAAS) and non-SAAS client server environments.
• Over 4+yrs of project architecture, management or leadership experience.

TECHNICAL SKILLS:

Programming Languages:

• Java (1.2,1.4,1.5,1.6,1.8) (12+yrs)
• SQL (12+yrs),
• PL/SQL (8+yrs),
• NoSQL(2+yrs)

• Jquery, HTML, CSS, AJAX, Javascript, JSON, Dart etc

• J2EE (JDBC, Servlets, JSP, JSF, EJB, JMS, RMI, JMX, JPA, JTA, JCA, JAAS, JSSE, JCE, SSO, JNDI)- (12+yrs)
• XML Technologies like DOM, SAX, Xpath, XQuery, JDOM, Xerces, JAXP, JAXB, Streams etc.(6+yrs)
• Web services like JAX-RS, JAX-WS, JAXB, Axis, CXF, Metro/Jersey, SOAP, REST (6+yrs)
• Struts, Log4j, SLF4J, Spring, Hibernate, JPBM, BPNM, Drools, RabittMQ, Quartz, Hadoop/Pig, Hive, HBase, Sqoop, Timesten, JbossCache (6+yrs)

Databases:

• Oracle, MySQL, PostgreSQL, MongoDB, SQLServer, Cassandra, BerkleyDB, Oracle NoSQL etc

Other:

• Ant, Maven, Junit etc, Camel, Tuscany, ActiveMQ, Boon, Lambok, Jackson, ElasticSearch, Zookeeper, Kafka, Solr, Hystrix etc, AWS, AZURE,HK2, Dropwizard, SpringBoot

PROFESSIONAL EXPERIENCE:

Sr. Lead SW Engineer/Architect (Consultant)

Confidential

Responsibilities:

• As part of SAAS/AWS Cloud, SOA(Dropwizard microservices) based VR Regulation System, Built, Lead and developed various backend web services and integration components like distict APIs, application platform framework.
• Used Java 8, Dropwizard, Mongodb, Cassandra, Oracle, Solr, Elasticsearch, Webservices, Hystrix, Kafka etc

Used Technologies: Java, J2EE, SQL, Dropwizard, CDI, Morphia, Web-Services, Jersey, (SOAP/REST), LOG4J, SLF4J, XML technologies like DOM, JAXB etc, Jetty, Solr, Elastic search, Cassandra, MongoDB, Netbeans, GIT, SSH, Unix/Linux, Shell/Bash, CentOS, JUNIT, Maven, Jenkins, VisualVM, Jconsole, JProfiler, SQLDeveloper, AWS, Windows 7,Mac etc.

Sr. Lead SW Engineer/Architect (Consultant)

Confidential, Sunnyvale, CA

Responsibilities:

• As part of SAAS/AWS Cloud, SOA(Spring boot microservices) based global demand application, Built, Lead and developed various backend web service integration components like products search APIs, reseller hierarchy APIs, transmission search APIs. Used Java 8, Spring, Cassandra, Oracle, Solr, Elasticsearch, Webservices, Hystrix, Kafka
• Architect. Lead and Developed validation APIs for web module, shared modules, properties files, update project APIs, conversation APIs of maven archetypes to velocity templates. Used Java8, CDI, Spring, Webservices, GIT, Maven, Velocity, Oracle, Mongodb etc.

Used Technologies: Java, J2EE, SQL, Spring, Spring BOOT, CDI, Hibernate, Web-Services, Jersey, (SOAP/REST), LOG4J, SLF4J, XML technologies like DOM, JAXB etc, Jetty, Solr, Elastic search, Cassandra, Oracle, MongoDB, Netbeans, Ant, GIT, SSH, Unix Shell/Bash, CentOS, JUNIT, Maven, Jenkins, VisualVM, Jconsole, JProfiler, Azure, AWS,SQLDeveloper, Windows 7 etc.

Sr.Lead SW Engineer/Architect (Consultant)

Confidential, San jose, CA

Responsibilities:

• Built, Lead, and developed SAAS cloud application platform orchestration modules for deployment of apps to various cloud environments.

Used Technologies: Java, J2EE, SQL, Spring, Hibernate, Web-Services, Tuscany, Camel, (SOAP/REST), LOG4J, SLF4J, Ajax, XML technologies like JDOM, JAXB etc, JBPM, Drools, JBOSS/Tomcat, Quartz, RabbitMQ, MySQL, MongoDB, HTTP, HTTPS, SSL, LDAP, ERWIN, Netbeans, Ant, GIT, SSH, Unix Shell/Bash, Openstack, Puppet, CentOS, JUNIT, Maven, Jenkins, VisualVM, Jconsole, JProfiler, DBVisualizer, Windows 7 etc.

Big Data SW Development Manager/Architect

Confidential, San mateo, CA

Responsibilities:

• Built, Developed and managed SDLC team including recruiting (technically and functionally) and delivery of 1.0 and 2.0 releases of the SAAS Subscriber Care BigData analytics(Cable Network) enterprise application software product into various deployment environments like integration and live production with less downtime.
• Developed and provided high level technical and functional leadership, subject matter expertise, leadership on features related to modules( like EDW, ETL\ELT, user management, platform, alerts, anomaly, multi-dimensionality) code reviews, troubleshooting, and resolution of issues in various layers of the system.

Used Technologies: Java, J2EE, MDX, SQL, PL/SQL, Analytic SQL, Struts, Spring, Tuscany, Hibernate, Web-Services (SOAP/REST), OLTP, OLAP, ODI, OBIEE, LOG4J, SLF4J, Ajax, XML technologies like JDOM, JAXB etc, Java script, Hadoop, Hive,HBASE,SQOOP, Netezza, JBPM, Drools, JBOSS/Tomcat, Quartz, Zookeeper, GlusterFS, RabbitMQ, Splunk, SQLServer, PostGreSQL, Teradata, MySQL, Oracle 11g,, HTTP, HTTPS, SSL, LDAP, ERWIN, Netbeans, Ant, GIT, SSH, Unix Shell/Bash scripting, Python, CentOS, JUNIT, Maven, Jenkins, VisualVM, Jconsole, JProfiler, DBVisualizer, Windows 7 etc.

Senior Lead Software Engineer

Confidential, SAN JOSE, CA

Responsibilities:

• Lead, re-designed, implemented, maintained(fix bugs, enhancements) and stabilized Probe client and servers modules of SAAS based SigmaQuest BI/DW analytics(Supplier Manufacturing) enterprise application software product
• Fixed bugs, implemented enhancements, maintained, stabilized backend Dashboard scheduler module and related supplier analytic modules.
• Performed data management, MDM and integration activities.
• Implemented and fixed issues related BOM Approval workflow.

Used Technologies: Java, J2EE, MDX, SQL, PL/SQL, Analytic SQL, JQUERY, DOJO, Camel, Struts, Spring, Hibernate, Web-Services (SOAP/REST), OLTP, OLAP, ODI, OBIEE, LOG4J, SLF4J, Ajax, HTML, XML technologies like JDOM, JAXB etc, Java script, Tomcat/JBOSS, Quartz, RabbitMQ, JBPM, Drools, Oracle 11g, HTTP, HTTPS, SSL, LDAP, ERWIN, VisualVM, Jconsole, JProfiler, DBVisualizer, Netbeans, Ant, GIT, SSH, Unix Shell/Bash scripting, CentOS, JUNIT, Maven, Jenkins, Windows 7 etc.

Lead Software Engineer

Confidential, SAN JOSE, CA

Responsibilities:

• Lead, re-designed, provided SME, coordinated and shared the development, maintenance of BI/DW infrastructure(middleware and db layers) for NMS(Telecom) DPI Event and Subscriber Data, fixed bugs, enhancements and its some of its functional analytic modules related to BI, data warehousing etc and also addressed related performance, availability, scalability aspects.
• Performed other data design and development activities like data modeling, data collection, data ware housing, aggregation, ETL, pivoting, data integration, management, results validations, third party BI tools integration
• Performed R&D, POC efforts of few features in the future releases.

Used Technologies: Java, J2EE, SQL, PL/SQL, Analytic SQL, Struts, Spring, ActiveMQ, ServiceMix, JQUERY, DOJO, Hibernate, Web-Services (SOAP/REST), OLTP, OLAP, ODI, OBIEE, LOG4J, SLF4J, Ajax, HTML, XML technologies like JDOM, JAXB etc, Java script, Tomcat/JBOSS, Quartz, MySQL4.1, MySQL5.1, Pig, Hadoop, Sqoop, Vertica, Greenplum, Oracle 11g, HTTP, HTTPS,SNMP, SSL, LDAP, ERWIN, Netbeans, Ant, SVN, SSH, Unix Shell/Bash scripting, CentOS, Microstrategy, JUNIT, Maven, Jenkins, Windows 7 etc.

Principal SW Engineer

Confidential, REDWOOD SHORES, CA

Responsibilities:

• Re-designed and developed, maintained middleware and db modules of cost and profitability BI/analytics(HPCM/BPM) enterprise application software product for some of key core-functional components like ETL from operational OLTP systems, Allocation APIs to address performance, scalability, reliability, reusability, usability and integration of those components with ESSBASE, BPM, LDAP Registry, Security etc.
• Re-designed and implemented relational version of essbase dimension hierarchy to support and address performance, scalability, reliability, reusability of cube and calc scripts code generation in the essbase business module.
• Revamped JUNIT based test-driven development regression environment for both functional and unit test cases as part of continuous integration efforts.
• Performance Tune SQL, Java modules

Used Technologies: Java, J2EE, SQL, PL/SQL, MDX, XML technologies like JDOM, Struts,, Oracle 9i/10g AS, Oracle 9i/10g, LOG4J, SLF4J,HTTP,HTTPS, Top link JPA, Hibernate, SQL Server, Tomcat, Web logic, ESSBASE, Business Intelligence Tools, ODI/OBIEE, Net beans, JDOM, Ant, JUNIT, Clear case, Unix Shell, Unix(Linux, HP-UX), Windows NT/XP

Lead Software Engineer

Confidential, Reston, VA

Responsibilities:

• Led, and shared SDLC of common J2EE Framework to handle various e-Portal(GSA) application product functional modules like Single-Sign On J2EE Application Integrations, security lookups, transaction history, object versioning, notifications, attachments, web services, port lets, scheduler processes, and transaction management, search, heterogeneous interaction with external web enables applications, user management, collaboration APIs.
• Fine Tune SQL and Java modules

Used technologies: Java, J2EE, SQL, PL/SQL, MDX, JavaScript, HTML, XML technologies like JDOM etc, Struts, Spring, Tiles, JSTL, DisplayTag, SiteMesh, LOG4J, Oracle 9i/10g AS, Oracle 9i/10g, OID, SSL, HTTP, HTTPS, Oracle Discoverer, Forms, Reports, ODI/OBIEE, Oracle Workflow, Web Logic, Eclipse, Ant, MKS Integrity, TOAD, Unix Shell, Unix(Linux, HP-UX), Windows NT/XP

Senior Software Engineer

Confidential, Troy, Michigan

Responsibilities:

• Coded or Developed and maintained frontend interfaces and backend db schema, common APIs, utility APIs, business logic APIs for the supply chain management application e-Procurement application software product modules which include buyer RFQs, supplier bids, shipping, recaps, sourcing, targeting, notification, transmission, receive, print, view, search, creation, updating, deletion of catalog, non catalog, xml purchase orders, workflow API.
• Re-designed distributed transaction codebases to address performance, scalability.
• Fine Tune related SQL and Java modules

Used Technologies : Java, J2EE, JavaScript, HTML, XML technologies like JDOM etc, Struts, Oracle 8i/9i, SQL, PL/SQL, Workflow, Oracle 6i Forms, Application Object Library (AK Developer, Software Engineer, Sys Adm ), HTTP, HTTPS, Oracle 9i AS, OC4J, Web Logic, JDeveloper, TOAD, PVCS, UNIX shell, Perl, Windows 2000.

Software Engineer

Confidential, Redwood Shores, California

Responsibilities:

• Developed and maintained frontend interfaces and backend db schema, common API, utility APIs, transactional business logic APIs, workflow API to address functionality related to Oracle Marketing and Fulfillment Online ERP/CRM application software product modules like events, campaign, registration, notification, LOVs,Order,Items etc.
• Fine Tune related SQL and Java

Used Technologies: Java, J2EE, JavaScript, HTML, Oracle 8i/9i, SQL, PL/SQL, Workflow, Application Object Library, Oracle 9i AS, OC4J, JDeveloper, TOAD, ARCS version control manager, HTTP, HTTPS, UNIX (Solaris, HP-UX), Windows NT.