SUMMARY:

• A collaborative with proven result oriented Information Technology professional with 20 years of experience in Software Architecture, Design, Enterprise Integration Patterns (EIP), Enterprise Application Integration (EAI), Service Oriented Architecture (SOA), Several RDBMS Databases, Multiple Big Data/ NoSQL databases along with Java/J2ee stack and many software development methodologies across multiple domains.
• Involved in Research of next - generation technologies, particularly cloud virtualization and containerization and worked on several prototype projects involving clustered container orchestration and management: Kubernetes and AWS ECS.
• Experienced in Cloud architectures: private and hybrid clouds development (creating private cloud architectures on both: system and software level), custom services, cloud technologies: OpenShift, AWS, Azure, Docker.
• Skilled in cloud computing like open stack, AWS, Google Cloud etc., information management, application development, and virtualization. Demonstrated mastery in evaluating requirements for business application integration and service activation.
• Many years worked on Open source technologies and frameworks. Known for using the right tools when and where they make sense and creating an intuitive architecture that helps organizations effectively analyse and process terabytes of structured and unstructured data.
• Demonstrated several POC’s and implemented many production systems end to end. An excellent expert with public relations, problem-solving and leadership skills, combined with my deep knowledge of engineering and architectural codes in communicating across organizational levels and with cross-functional teams to drive shared vision and foster makes me a highly valuable employee and team leader.

CORE COMPETENCIES:

• Big data, DataStax Cassandra, Hadoop, Redis, Mongo DB.
• Confidential, OpenShift-Red Hat OpenShift Container Platform, Kubernetes, Docker, Containerization.
• IAAS, OpenStack Cloud platform, AWS, Google Cloud
• Analytics, Streaming and Messaging - Spark, Scala, Kafka, Zookeeper, Confluent Platform.
• SMACK, Spark, Mesos, Akka, Cassandra, Kafka.
• Logs and Stream processing, Kafka, Kafka Streams, Connectors, ELK (ElasticSearch, Log stash, Kibana)
• Search, ElasticSearch, Apache Solr, Lucene, DSE Solr, DSE Spark.
• RDBMS,Oracle, SQlServer, MySQL, DB2.
• REST API development / Web Application Development,Spring Boot, Spring Cloud, Netflix Hystrix
• Expert in Product and Team management
• Proven Leadership qualities
• Expert in Open Source technologies
• Service-Oriented Architecture

EXPERTISE AREA:

• Architected and designed many Software Systems from high-level concepts to Implementation including testing / staging to production servers and their maintenance.
• Research of next-generation technologies, particularly cloud virtualization and containerization
• Worked on several prototype OpenShift projects involving clustered container orchestration and management.
• Contributed and developed automation application of Kubernetes clusters to the Kubernetes project
• Executed data migration process from many data sources to Big Data platform like Cassandra, hbase redis, Mongo DB etc.
• Integrated Cassandra as a distributed persistent metadata store to provide metadata resolution for network entities on the network.
• Architected and Implemented Cassandra based systems using Apache Cassandra and Datastax.
• Perform large-scale data migration experience such as data migration audit, reconciliation and exception reporting from variety of sources to big data platform.
• Developed enterprise applications using Scala.
• Implemented end-to-end ELK based log analytics system for ecommerce platform.
• Highly experienced with Implementing Business Intelligence systems and Implemented analytic systems.
• Architected and designed implemented analytics platform using Elastic Search/ Lucene.
• Implemented analytics / search platform Datastax Search, Datastax Analytics /Spark platform.
• Architected and did POC for analytics comparison using Datastax Enterprise Analytics and ELK platform.
• Implemented end-to-end solution for E-commerce using Kafka, Spark and Cassandra for heavy throughput application.
• Architected and designed
• Datastax Enterprise Edition for Cassandra based solutions.
• Horton Works Hadoop platform.
• SMACK (Spark Mesos, Akka, Cassandra, Kafka) stack.
• Kubernetes and Docker containers.
• ELK (Elastic Search, Log stash, Kibana) stack along with Kafka Confluent.
• Social Integrations like Facebook, Twitter, LinkedIn, and Google+
• Payments Systems like Google Checkout, PayPal and AWS
• End to End Software Systems and deployed into Data Center and Private and Public clouds
• High volume Enterprise and portal applications
• High Volume Oracle SOA based Applications
• Very High Volume Analytic Platform and Analytic Solutions
• Enterprise Applications using Enterprise Application Integration (EAI) and Enterprise Architecture
• Analytic/Reporting Systems using tools like Crystal report, LogiXML, Micro strategy, Pentaho.
• Security for several Software Systems using Spring Security, Oracle OWSM security policies with Web services security, CAS Single-Sign on using RDBMS or LDAP and OAuth 2 etc.
• Security with Oracle SOA /OWSM security and configuration plans using DB, Web logic, Wlst, custom maven scripts
• Service Oriented Architecture (SOA), Enterprise Application Integration (EAI), Messaging, Security, Oracle Fusion middleware architecture, design and development, BPEL, Performance Tuning and Scalability and Clusters
• Strong experience with Oracle Fusion Middleware Components, Coherence, Web logic, OWSM, and WSLT.
• Demonstrated skills in designing software architecture on J2EE Stack based Systems and various Open Source Frameworks like Spring Framework, Struts, and Several ORM Frameworks like Hibernate, Ibatis, and JPA etc. stacks.
• Strong experience in Oracle SOA (Service Oriented Architecture) and Apache ESB/SOA (Service mix, Camel, ActiveMQ, CXF) and Mule ESB
• Architected, designed and implemented successfully Big Data/NOSQL Based Solutions, Big Data Productions Clusters and Big Data Based Systems using MR, Pig, Hive, Map Reduce and HBase.
• Worked on Data handling including RDBMS, ORDBMS, NOSQL and Big Data.
• Architected, designed Integration solutions and Integrated J2ee Based Systems / Open Source Systems with Big Data Hadoop Based Systems and Time Series databases developed on different platforms.
• Solid experience in Database Architecture, Modeling, Design and Implementation with Oracle, GreenPlum, MYSql.DB2 and SQL Server.
• Strong experience in Application Servers and Tuning and Clustering Experience with Web logic, Web sphere, JBoss, Karaf, Tomcat etc.
• Strong experience cloud experience, including Amazon, Sales Force, Red hat, Heroku, Google, Oracle, Rackspace
• Strong Experience with SAAS and Cloud platform development for Analytics and Industrial Internet for M2M communication using big data solutions.
• Manage cross-program data assurance for physical data items in source and target systems.
• Managed varied technical development teams around the globe effectively with strategic objectives.
• Deep experience and knowledge of software design methodologies, information systems architecture, object oriented design, and software design patterns
• Architected and implemented OAuth2 based systems.
• Solid experience in big / large scale business critical systems including but not limited to insurance, banking, telecommunications, media, healthcare, technology and financial sectors and handled high performance challenging software projects successfully
• Specialized in Java, J2EE, SOA, BPM, Oracle Fusion Middleware, spring, SAAS and Confidential and Cloud based applications, payment-processing systems and continue to keep up with different technologies.
• Strong Experience in different software methodologies like Agile, Scrum, Rational RUP etc.
• Experienced with tools like Enterprise Architect, Visual paradigm, Rational Rose, My eclipse, MS Visio, UML, JDeveloper and Oracle Data Modeler.
• Skilled with J2ee, Spring3, EJB3.1, JSP, JSF, Servlet, JDBC, JAX-RS, JMS, CXF, Spring Web services, SpringSecurity3.1, JPOS, Hibernate, Ibatis.
• Qualified with Oracle Fusion Middleware technologies, J2ee Architect, TOGAF, ORACLE SOA, BPMN with Web logic 11 and 12.
• Well-versed with database programming skills with SQL Server, Oracle11i, MySQL, Green Plum, DB2, PL/SQL and SQL Query tuning, performance Improvement, stored procedures, functions and triggers, NoSQL databases like Mongo DB, Neo4j, fixing serious defects with high volume data applications
• Devised Enterprise Application Integration (EAI) using J2ee, spring, Oracle SOA, JMS, Mule ESB, Oracle Service Bus, and Web services (Spring Rest, Spring Web services, CXF, JAX-RS) for Enterprise Systems Integration
• Strong experience in Architecture and Designing applications using MVC Framework with Struts Spring Framework, Vaadin, Google Web Toolkit (GWT), Theamleaf, Visual Force apex tags and I18N, L10N.
• Solid experience with Hibernate and HQL and JDBC queries and Spring Framework with email and third-party software tool integration, hibernate caching, ANT, Maven, Gradle, Clear Case, Clear Quest, Gen, build tools and software development methodologies
• Well-versed with Windows, Mac OS, Linux, UNIX, Stage, Production Data Center servers and Cloud Environment
• Worked with Git-hub and SVN and Perforce etc. and several continuous Integration build tools like Hudson, Bamboo and related Code Coverage test coverage Plug-ins
• Planning for Data center design and setting up several clusters based on size of the data and user’s capacity.
• Handled many data migration projects along new initiatives.
• Passionate to continuously involve, explore and experience many new technologies and new concepts in the Software Industry.

TECHNICAL SKILLS:

Core Skills: Java, J2EE, EAI/Oracle, SOA, BPEL, Oracle Fusion middleware, Coherence, WSLT, OWSM, Application Integrator / Solution Architect, JMS, BPMN, EJB, JDBC, JNDI, JSP, JSF, JMS, JAX-RS and SOA, OSGI.

Languages: Java, Scala, C, C++ and UML.

Web Technologies: HTML, JQuery, JSON, AJAX, Web2.0

Big Data /NOSQL: Cassandra, Hadoop, Redis, Mongo DB, Neo4j, Historian Time series DB

Databases:

Open Shift: Oracle, Green Plum and MySQL, SQLServer, Historian Time Series, Red Hat OpenShift Container Platform, Kubernetes

App/Web Servers: Web Logic, Apache Tomcat, Web Sphere, Karaf and Jboss

IDE/ Configuration Tools/ Scripting: Eclipse, My Eclipse, IDEA, JDeveloper, WSAD, Visual Cafe, Rational Rose

Operating System (OS): Windows, UNIX, Linux, MAC, AIX

Source Control: Git-Hub, SVN, CVS, VSS, Perforce, Junit, Star Team, Code Guide.

Frameworks/ Design Patterns: Spark, Map Reduce, Struts, Spring, Spring Security, OAuth2, Hibernate and IBATIS.

Build Tools: Ant, Maven, Gradle, Hudson, and CI Tools

Reports/Reporting Tool: LOGIXML, Crystal Reports

Business Intelligence: Micro strategy, Pentaho.

CMS: Documentum 4i/ 5i, DFC (4i/5i), Alfresco and Atlasian products.

PROFESSIONAL EXPERIENCE:

Confidential, San Ramon, CA                                                  

Sr. Big Data Consultant / Sr. Cloud Architect

Responsibilities:

• Worked on Intel lab for creating 20000 vm’s on 500 compute servers and recommended best configurations and solutions for database and messaging software’s used in open stack.
• Performed Cassandra performance tuning and cluster setup for Contrail SDN platform.
• Worked on Cassandra data modeling recommendations, back up restore best practices for production Confidential platform.
• Performed container adoption deep dives
• Involved in Building and configuring Red Hat Linux Servers using Kick Start server as required for the projec t.
• Provided gap analysis and preliminary framework for container adoption strategy.
• Worked with development workflow and making recommendations to best utilize OpenShift Container Local, IDEs, and rsync
• Reviewed strategies for increasing development team efficiency and consistency with container platform.
• Implemented a centralized logging system using logstash configured as an ELK stack
• Involved in best monitoring tools for all the database and messaging software’s involved in Open stack platform in Intel lab as well as Confidential .
• Did POC for ELK for open stack and used Mirant is open stack to perform POC’s
• Converted requirements to POC and demonstrated to Executive management and cross teams.
• Converted POC to production including Deployment production planning and Capacity planning.
• Design and demonstrated several Proof of Concepts (POC) for Confidential particularly SDN and Open stack components.
• Architected and implemented/recommended the best for Cassandra cluster and software hardware configurations plus recommended best compaction strategies suitable for Contrail SND platform.
• Created POC for messaging software’s for Confidential using Kafka and RabbitMQ.
• Collected high-level requirements for Impact analysis, developed and demonstrated POC to executive management and continuous development of system to the production.
• Architected, designed and implemented No SQL based databases like Cassandra, ELK, Kafka layers which are critical components of Open stack / Contrail/ Confidential

ENVIRONMENT: Cloud frameworks, Open Shift, Open stack, Mirantis, Contrail, Cassandra, DataStax, Red Hat Linux, MySQL, ELK Stack, Mongo DB, Zookeeper, Kafka, Spark, RabbitMQ, Dicker, kubernetes, Elastic Search, Log stash, Kibana.DB Monitoring tools, SMACK stack.

Confidential, San Ramon, CA                                               

Sr. Big Data Consultant / Sr. Cloud Architect

• Worked on several modules and projects that involve gathering very high-level conceptual requirements.
• Executed data migration in coordination with management and technical services personnel.
• Maintained existing data migration program with occasional upgrades and enhancements.
• Converted requirements to POC and demonstrated to Executive management and cross teams.
• Converted POC to production including Deployment production planning and Capacity planning.
• Design and demonstrated several Proof of Concepts (POC) for ROAST.
• Involved in choosing Business Intelligence tools, Software Frameworks, technologies.
• Architected many layers of ROAST platform from end to end.
• Architected ETL components and data cleansing components for ROAST.
• Architected and implemented GRID framework for accessing Cassandra database.
• Architected and developed data connectors for several data sources including Horton works, Cassandra, Oracle, REST services.
• Participated in the development of strategic goals for leveraging big data.
• Install, configure and maintain ELK Stack Systems.
• Architect horizontally scalable solutions (terabyte scale or larger)
• Elasticsearch and Logstash performance and configuration tuning.
• Architected Messaging system for ROAST and depending systems using Kafka and RabbitMQ.
• Did Dashboard POC’s using Micro strategy BI tool connecting to several databases like Horton Works, Casandra, Oracle.
• Collected high level requirements for Impact analysis and developed POC, demonstrated to executive management and continued to develop system to the production.
• Architected, design and implemented No SQL based databases like Cassandra and Horton works Hadoop clusters.
• Design and developed Cassandra key spaces, tables.
• Converted Rdbms tables into deformalized Cassandra structure and implemented Cassandra access solutions.
• Did capacity planning for apache Cassandra and Datatec Cassandra for NoSQL based clusters.
• Designed CI build tools and testing strategy to test multiple systems.
• Integrated code base with CI tools for build process using continuous Integration with maven, Jenkins with Code Check plugins like sonar etc.
• Data Migration for dashboard based projects from rdbms and many different sources to Cassandra.
• Architected and implemented Monitoring systems for Cassandra and Java based systems
• Designed dashboard, alerts and reporting for monitoring systems.

ENVIRONMENT: J2EE, Java, Cassandra, Datastax, Hadoop -  Horton works, Micro strategy, Hibernate, JPA, spring3.1, Spring security 3.1, AJAX JSON, Tomcat, Weblogic, Oracle11i, Red Hat Linux, Git, Maven, SOA, BPMN, OpenStack, Zookeeper, Kafka, Spark, Astyanax, OpenStack Zookeeper, Kafka, Spark, Astyanax, Spring Cassandra, Cassandra, Datastax, Mongo DB, Hadoop -  Horton works, Micro strategy, SMACK stack.

Confidential, CA                               

Sr. Big Data Architect

• High Level Requirements gathering requirements for Impact analysis and developed POC, demonstrated to executive management and continuous development of system until production.
• Performed data cleansing enrichment and mapping tasks.
• Work with customers in gathering business requirements for data migration needs.
• Identified Technologies and Tools that can be addressed specific problems that are with Power and Water business of GE.
• Identified Entities and Designed Data Model for Platform and Solution.
• Architected to Incorporate Several Databases and Historian Time Series Database into Solution.
• Architected JMS that plays the crucial role of the whole system and receive the notifications of Data arrival and Platform and solution can work together to get Data from Different Data Sources based on Message Payload.
• Designed and Developed Clustered Messaging Broker along with Retry, Failover and Error Handling Strategies.
• Designed different layers of systems and developed the strategy to build systems and developed Testing strategy to test multiple systems with several simulators.
• Integrated code base with CI tools for build process using continuous Integration with maven, Hudson and bamboo along with Code Check plugins etc.
• Designed POC for creating BPMN Xml files using Eclipse Plugin and made it work for Activity Engine to Run the Analytics using Orchestrations.
• Architected and designed end to end Analytic Wrapper Interfaces and Core Common classes that can be used for several following Analytics and seamlessly work with Platform.
• Designed abstract spring components data retrieval strategies to get Data from Dynamic Data Sources using Dynamic Strategies and Designed Dynamic Conversion Logic of Unconventional Unstructured Big Data using OSA-CBM format.
• Designed System to Interact with Historian Time series Database using Web service
• Designed and developed a strategy for building the whole system following OSGI standards and deployed into KARAF OSGI container.
• Architected and implemented frame work and monitoring systems for Cassandra database and Java based systems.
• Architected and developed data connectors for several data sources including Horton works, Cassandra, Oracle, REST services.
• Architected Messaging system for ROAST and depending systems using Kafka and RabbitMQ.
• Did Dashboard POC’s using Micro strategy BI tool connecting to several databases like Horton Works, Casandra, and Oracle.
• Deployed analytics into Mongo DB database.
• Developed SOA services in Oracle Fusion Middleware and wrote wslt scripts for automating domain creation and setting up security policies.
• Setting up Oracle Coherence Clusters for in-memory analytics.
• Architected, design and implemented No SQL based databases like Cassandra and Horton works Hadoop clusters.
• Worked on integrating Web logic Server with Maven, Jenkins and Subversion and used some custom plugins.
• Design and developed Cassandra key spaces, tables.

ENVIRONMENT: J2EE (Java1.7, Web service), Hibernate, JPA, OSGI, Spring3.1, Spring security 3.1, AJAX JSON, KARAF OSGI Container, GE Cloud, OSA-CBM, Tomcat, Oracle11i, Oracle Fusion Middleware, Oracle Coherence, Eclipse, Red Hat Linux - Windows 7,SVN, Maven, SOA, BPMN, ESB, Mediator, REST web service, JAX-WS, Apache CXF, Active MQ, Historian Time Series Database, ACTIVITI, BPMN 2.0,Apache Service Mix, Data Nucleus, Cloud foundry Zookeeper, Kafka, Spark, Astyanax, Spring Cassandra, Cassandra, Datastax, Mongo DB, Hadoop -  Horton works.

Confidential, iPowersoft Inc. CA                                               

Director of Engineering

• High-level Requirements gathering at on-site clients.
• Work across multiple functional projects to understand data usage and implications for data migration.
• Assist in designing, planning and managing the data migration process.
• Work with subject matter experts and project team to identify, define, collate, document and communicate the data migration requirements.
• Prepare data migration plans including migration risk, milestones, quality and business sign-off details.
• Providing End-to-End Solutions for Software requirements.
• Providing Estimations for Software Projects in terms of Cost and Time.
• Providing Seamless integration solutions to adopt new technologies.
• Providing Integration Solutions for integrating different systems Involved with time and cost effectively.
• Architecting, Designing and developing the POC for the new or existing Clients, Systems and Concepts.
• Providing Technical Consulting and Technical Solutions and estimate the effort.
• Working on technical hiring and setting up software development teams.
• Leading Highly Skilled Architects and Development teams.
• Did several data migration and upgrade operations for many projects using data center and cql based and big data platform and Cassandra and rdbms data bases.
• Providing consulting solutions for Project Tracking, Time Tracking, Budgeting and Establishing development and technical management environment that can integrate and work together better.
• Managing off-shore technical teams and managing Outsourced Technical Projects.

ENVIRONMENT: J2EE, Big Data, Oracle SOA, Oracle Products, Apache Camel, Mule ESB, Open Source Software’s and frameworks like Spring, Hibernate, Pig, Cloud Computing, Social, Mobile Android, IOS, ACTIVITI, BPMN, Payments Systems like Google Wallet, Google Checkout, PayPal, AWS, JBOSS, Tomcat, Apache KARAF, Linux.

Confidential, CA                                        

Software Architect

• Architecture, design of end to end stock trading account management system on new SOA based implementation.
• Designed developed ET-BPM layer to receive Request and send it to JMS Queue.
• Manage assigned risks and monitor potential impacts as part of the data migration plan.
• Develop best practice, processes, and standards for effectively carrying out data migration activities.
• Implemented Authentication Authorization using spring security 3.1.
• Used J2EE (Java1.6, JSP2.0, Servlets, Hibernate, Spring3.1)
• Developed various Dao’s and Process Components for handling business logic and Authentication and Authorization.
• Implemented build process using continuous Integration with maven, ant, Hudson and bamboo.
• Wrote Java test classes for testing the application using Test-NG and spring test framework.
• Worked on PL/SQL and SQL Queries for business and security related.
• Designed and developed Oracle SOA components and composites.
• Created wrapper web services project ORABPM for all exposed SOA components.
• Developed SOA composites using Oracle BPMN2, Oracle SOA, Enterprise Application Integration (EAI) using J2ee, spring, JMS, Mule ESB, Oracle Service Bus.
• Developed complete deployment scripts tools to build deploy using ant, maven, SOA configuration plan to web logic local admin server and Production clustered servers. Same scripts used for development as well testing environment servers and production servers.
• Implemented security for all SOA composites and ORABPM Web services using OWSM security policies based.
• Implemented all user-group-role based access mechanism using spring security 3.1 in ETBPM layer.
• Wrote several end-to - end spring, JPA, hibernate classes to for many of the related use cases.
• Integrated End to end system using appropriate wrapper and configuration files.
• Involved in architectural team to plan and implement technical specifications for conversion, interfaces, enhancements, reports, and add-ons.

ENVIRONMENT: J2EE (Java1.6, JSP2.0, Servlets 2.5 JNDI, Web service), Hibernate, JPA, Lucene, Spring3.1, Spring security 3.1, AJAX JSON, Web2.0, Apache, Http, Weblogic11, Tomcat, Oracle11i, Eclipse, JDeveloper, Unix, Linux - Windows 7, SVN, Maven, Oracle SOA, BPMN, ESB, Mediator, SAML, JAX-WS, Apache CXF, Active MQ.

Confidential, Genentech Inc. CA                                                    

Software Architect

• Architecture, design for e-Publishing System
• Designed back end and front and database schema.
• Implemented Authentication Authorization using spring security 3.1.
• Used J2EE (Java1.6, JSP2.0, Servlets, Hibernate, Spring3.1 and struts2.0)
• Setup the whole project and implemented build process using continuous Integration with bamboo.
• Developed application using spring, Struts. Used Taglibs, site mesh for View.
• Wrote spring configuration xml files and wired with business and process components using hibernate and spring security annotation along with.
• Used Spring MVC, Security annotations for Business and to securing application.
• Wrote Java test classes for testing the application using Test-NG and spring test framework.
• Implemented Authorization using spring secured tags in JSP pages. And used Jsr250 Annotation and spring pre-post annotation in business tier.
• Implemented all user-group-role based access mechanism using spring security 3.1.
• Wrote several end-to - end spring, JPA, hibernate classes to for many of the related use cases.
• Integrated Documtnum system with Java and Confidential System.
• Involved in leading team of analysts and programmers to plan and implement technical specifications for conversion, interfaces, enhancements, reports, and add-ons.

ENVIRONMENT: J2EE (Java1.6, JSP2.0, Servlets 2.5 JNDI, Web service), Hibernate, JPA, LUCENE, Spring3.0.5, Spring security 3.1, JavaScript1.8, JQuery1.6, AJAX, Dynatree, Flex JSON, Web2.0, Apache, Http, JBOSS, Weblogic11, Tomcat, Oracle11i, Eclipse, My Eclipse, Mac, Unix, Linux - Windows 7, SVN, Maven, DOCUMENTUM 4i/ 5i, DFC (4i/5i), DCM.