PROFESSIONAL SUMMARY:

• Over 15 years of extensive working experience in Architecture, Design, Development, Delivery, Requirements Analysis, Testing and support of mission critical applications using JAVA/J2EE, SOA, ESB, OLTP, EMS, Web services, OO design patterns for enterprise systems.
• Involved in Project scoping and planning of application architecture using complex SOA Architecture principles.
• Have demonstrated ability to set architectural decisions, directions, conduct architecture reviews, create and define architectural roadmaps. Involved in Risk Analysis, GAP Analysis to identify architecture gaps.
• 4 years of extensive experience and implemented in - memory distributed caching service using Gemfire/Geode.
• Proficient in distributed in-memory platform using Gemfire/Geode, Redis, Apache Ignite & Amazon ElastiCache (AWS).
• Hands on experience & provisioning of caching technologies on Amazon AWS EC2 instances.
• Cloud computing experience using Amazon Web Services: EC2, BeanStalk, ElastiCache.
• Created messaging framework using Apache Kafka.
• Extensively involved in SOA Architecture, Microservices Architecture Principles and Data Architecture.
• Extensive experience on performance tuning of JVMs using optimization flags and tuning GC parameters and GC algorithms. Have used java monitoring tools like jconsole, java mission control and jvisualvm.
• Proficient in creating monitoring java applications using JMX Technology.
• Extensive experience in Internet, client/server technologies using Java, J2EE (JSP, Servlets, JDBC, JNDI, EJB 3.0, Web services), XML, XSLT, JAXB, HTML, Java scripts, Ajax.
• Have gained extensive domain knowledge in P&C Insurance - Auto, Property & Umbrella Insurance and Banking.
• Experienced in DevOps and Continuous Integration & Continuous Development (CICD) model using Jenkins, Maven, Nexus and SVN.
• Implemented business rules using Drools.
• Effective communication of Technical solutions to Project Managers and Business Architects to avoid the Solution Architecture gaps.
• Excellent project life cycle experience (SDLC) in all aspects of requirements specifications, design, code, test, deploy, maintaining and also have implemented projects in Waterfall and AGILE/SCRUM methodologies. Managed teams across multiple geographical locations.
• Extensive experience with IBM Websphere, Tomcat Application server and building applications using ANT and MAVEN tools.
• Expertise in various open source frameworks like in Hibernate, Wicket and Spring (core, MVC, IOC, batch, AOP, integration, data gemfire).
• Proficient in integrating LDAP with java based applications using LDAPSDK API.
• Work experience with J2EE design patterns and Relational database concepts.
• Experience in using IDEs like IBM RAD, Spring STS, Eclipse, IBM WSAD and My Eclipse Blue.
• Experience in writing SQL Statements for database queries/transactions using Oracle DB, IBM DB2 Zos, IBM UDB and PostgreSQL.
• Designed database model for large scale applications. Created E-R Diagrams.
• Have specialized in designing business components.
• Design applications using IBM Rational Unified Modeling Language and diagrams using Microsoft Visio.
• Experience in using integration Technologies like Web services - SOAP (JAX-RPC & JAX-WS), REST, Tibco EMS, Spring JMS and IBM MQ.
• Experience in working different operating system environments with java in Windows, UNIX/Linux.
• Excellent experience in the design, development, and implementation of Model-View-Controller (MVC) inculcating with different J2EE frameworks and OO Design Patterns (Bridge, Factory, Adapter, Template, Chain of Responsibility, Singleton).
• Experience in Unit testing using Junit frameworks - JUNIT 4, Mockito & Power Mockito; Integration testing, Performance Testing and generating Test cases for web/Java core applications. Involved in preparing and reviewing Testing strategy, Master Test Plans, Integration Test Cases.
• Proficient in scripting languages like PERL, Shell and Groovy (for java platform).
• Have been instrumental in creating a unique Vehicle Mapping algorithm to map vehicle information between various vehicle domains which is used in automobile industry for the client. The approach has been submitted for a patent by the client.
• Experience to maintain the source using version controlling tools CVS, VSS, SVN, Borland StarTeam and defect management tool like Borland StarTeam, HP ALM.
• Proven aptitude on learning and working on emerging technologies.
• Highly conversant with quality procedures that are followed both at organization level as well as client specific level.
• Proficient in configuring and scheduling jobs in Autosys.
• Effective Communication and Inter-Personal skills.
• Hands on Experience in handling critical Business applications Issues and handling failure recoveries. Expertise in troubleshooting various pre and post implementation Issues.
• Proven track record in achieving high customer satisfaction by demonstrating quick understanding of business needs and operating in a clear and consistent manner.
• Driven by new challenges and adept at adapting to any cultural and business environments.
• Manage project/portfolio using tools like IBM Rational Portfolio Manager, Microsoft Project Plan.
• Experienced in Onsite-Offshore model.
• Experience in providing technical leadership and mentoring a group of developers and team.
• Have experience in Quality Management System and has specialized knowledge in SW CMM Ver.1.1, CMMI SE/SW/IPPD Ver.1.1 and PCMM Ver.2.0 models.

TECHNICAL SKILLS:

Languages: Java 1.7/1.8, C++, C, SQL, Easytrieve, Object Query Language (OQL specific to Gemfire)

Web/App Server: IBM Websphere 6.0, 7.0, Tomcat

Web Technologies: J2EE- Servlets, JSP, EJB, XML, JAXB, JDBC, JMS, MQ Series, JUnit, AJAX, Web Services, SOAP, REST, WSDL, Mule ESB, HTML

Database: IBM DB2 ZOs, IBM DB2 UDB, MS Access, PostgreSQL, Oracle

IDE: Eclipse, IBM RSA, My Eclipse Blue, Spring Tool Suite, Eclipse SQL Explorer

Platform as a Service (PaaS): Data Caching Service using Gemfire

Frameworks: Hibernate, JUnit, Spring (Core, Batch, MVC, Integration, AOP), Apache Wicket, Apache Kafka

Scripting and markup: JavaScript, Groovy, Shell and Perl Scripting

Methodology: UML, Design Patterns, AGILE/SCRUM, IBM RTC

Design Language/Tool: IBM Rational Unified Modeling Language, MEGA, MS Visio, J2EE Design Patterns

Review Tool: Smart Bear - Code Collaborator, Checkstyle

Build: Apache Ant, Apache Maven

Version Control: Borland StarTeam, TortoiseSVN, Subclipse

WebService Tool: SOAPUI, WSRR

Project/SDLC Methodologies: Waterfall, Iterative & Agile

Operating systems: Windows 2000/XP/NT/98/Vista, UNIX, LINUX, IBM OS/390

PROFESSIONAL EXPERIENCE:

Confidential, Washington, D.C

Technical Lead/Application Architect

Responsibilities:

• Design and Implementation of caching service as a platform using Gemfire/Geode, Redis, Ignite.
• Identify and Analysis of system requirements for caching including impact analysis on other interacting systems.
• Responsible in analyzing business architecture documentation, prepared Solution Architecture Document (SAD) to represent Data flow, Architecture Changes, Impacted Systems/services and Context diagrams.
• Review of infrastructure design (server, network, file system, multi-site configuration for replication) for various environments.
• Provisioning of caching platform on Amazon AWS environment.
• Review of domain data/object model that will be saved in the cache.
• Design & Implemented JMX based monitoring applications for managing Gemfire processes.
• Created JUnit test cases using unit testing frameworks - Junit 4, Mockito & PowerMockito.
• Performance tuning of JVMs/Gemfire processes using optimization flags; tuning GC parameters and GC algorithms.
• Participate in capacity planning exercise of servers hosting caching data.
• Design & enhanced write behind framework that asynchronously writes data using Gemfire components - AsncEventQueueListener & CacheWriter to the underlying Persistence Data store.
• Maintenance and management of various environments (50 clusters) from development to production.
• Integration of caching service with Tibco EMS for publishing messages to queue and topic using JMS.
• Design & implemented security for gemfire authentication/authorization integration with LDAP using LDAPSK API.
• Performed as Distributed In-Memory SME during feasibility study of new requirements/changes and provided feedback for implementation and use of caching service for other applications.
• Create REST services for DCS dashboard application.
• Created design documents and Solution Specifications implementing applicable Design Patterns with UML diagrams to depict components, class level details. Reviewed with stakeholders for their review comments and approval.
• Configure & maintain required jobs in Autosys for cluster maintenance - backups, monitoring.
• Reviewed Test Plan, System Integration Plan and System Integration Test cases prepared by testing team and provided comments, approval.
• Defects raised during testing phases & in production are analyzed, impacts identified and root cause analysis done on defects/issues in testing or production, fixed/resolved within timelines.
• Application design using standard OO design patterns and review of design artifacts.
• Define new Database model and design new application database for dashboard application. Created E-R Diagrams.
• Responsible for developing major modules and review developed code to identify coding standards & change code accordingly.
• Assist team and other developers to develop as per design, coding standards and implement the changes.

Environnent: SUSE Linux, Spring Tool Suite, Tomcat Server, Spring 4, Spring Boot, JDK 1.7/1.8, REST services,J2EE, SQL, XML/XSD/XSL, Oracle DB, MEGA Modeling Tool, TortoiseSVN, SOAP UI, Groovy Scripting, Toad, Gemfire/Geode 6.x/8.x/9.x, Redis, Ignite, Apache Kafka, Perl/Shell Scripting, Jenkins, Maven, Autosys, Amazon AWS.

Confidential, Bloomington, IL

JAVA Application Architect

RESPONSIBILITIES:

• Analysis of business & system requirements including impact analysis on other interacting systems.
• Responsible in analyzing business architecture documentation, prepared Solution Architecture Document (SAD) with Architects to represent Data flow, Architecture Changes, Impacted Systems/services, Context diagram, Use Case diagrams.
• Identify Logical services, operations, define inputs and outputs.
• Define SOA Service Architecture layering.
• Created Service Dependency, Service Interaction diagrams, Application Environment Diagram and Conceptual Architecture Model Diagram in MEGA.
• Define integration pattern for integrating with different vendors - FIS, CMSI and Lexis Nexis.
• Creating UML artifacts - Class Diagrams, Sequence Diagrams.
• Created Data Model design and presented to impacted services teams, LOB, Architects
• Coordinated with Systems Analysts, Development Leads and Test Leads on various Architecture and design issues.
• Prepared High Level and Low Level Design document implementing applicable Design Patterns with UML diagrams to depict components, class level details. Reviewed with stakeholders for their review comments and approval.
• Reviewed Master Test Plan, System Integration Plan and System Integration Test cases prepared by testing team and provided comments, approval.
• Application design using standard JAVA design patterns.
• Review of design artifacts.
• Define new Database model and design new application database. Create E-R Diagrams.
• Integration of web services using Mule ESB.
• Review developed code to identify coding standards & change code accordingly.
• Review JUnit test cases for low level business services.
• Performed as Subject Matter expert during feasibility study of new requirements/changes and provided feedback for implementation.
• Responsible for guiding developers to develop as per design and coding standards.
• Managing, coordinating, planning and executing the project.
• Establishing and monitoring processes for Issue Management and Change Management.
• Establishing and monitoring the processes for quality management and review the same at all stages.
• Tracking and Mitigating the Issues, Risks & Dependencies.

Environnent: Spring Tool Suite, Tomcat Server, Spring 3.0, JDK 1.6, Web services, SOAP, UML, J2EE, SQL, XML/XSD/XSL, PostgreSQL, MEGA Modeling Tool, TortoiseSVN, SOAP UI, Groovy Scripting, Mule, WSRR, SQL Explorer, Gemfire, Riak.

Confidential, Bloomington, IL

JAVA Application Architect

Responsibilities:

• Lead Application and Data Architect for Voice eSignature
• Analysis of business & system requirements including impact analysis on other interacting systems.
• Responsible in analyzing requirement, prepared Solution Architecture Document (SAD) with Architects to represent Data flow, Architecture Changes, Impacted Systems/services, Context diagram, Use Case diagrams for Voice eSignature.
• Created Data Model design and presented to impacted services teams, LOB, Architects
• Coordinated with Systems Analysts, Development Leads and Test Leads on various Architecture and design issues.
• Prepared High Level and Low Level Design document implementing applicable Design Patterns with UML diagrams to depict components, class level details. Reviewed with stakeholders for their review comments and approval.
• Reviewed Master Test Plan, System Integration Plan and System Integration Test cases prepared by testing team and provided comments, approval.
• Creating UML artifacts - Class Diagrams, Sequence Diagrams.
• Created Service Dependency & Service Interaction diagrams in MEGA.
• Application design using standard JAVA design patterns.
• Review of design artifacts.
• Define new Database model and design new application database. Create E-R Diagrams.
• Review developed code using Smart Bear to identify coding standards & change code accordingly.
• Integration of web services using Mule ESB.
• Review JUnit test cases for low level business services.
• Performed as Subject Matter expert during feasibility study of new requirements/changes and provided feedback for implementation.
• Responsible for guiding developers to develop as per design and coding standards.
• Managing, coordinating, planning and executing the project.
• Establishing and monitoring processes for Issue Management and Change Management.
• Establishing and monitoring the processes for quality management and review the same at all stages.
• Tracking and Mitigating the Issues, Risks & Dependencies.

Environnent: Spring Tool Suite, Tomcat Server, Spring 3.0, JDK 1.6, Web services, SOAP, UML, J2EE, SQL, XML/XSD/XSL, PostgreSQL, MEGA Modeling Tool, TortoiseSVN, SOAP UI, Groovy Scripting, Mule, WSRR, SQL Explorer, Gemfire, Riak.

Confidential, San Antonio, TX

Developer/Tech Lead/Solution Architect

Responsibilities:

• Lead SOA and Data Architecture for Vehicle Master, Auto Claim and Vendor Master Modules.
• Analysis of business & system requirements including impact analysis on existing systems.
• Responsible in analyzing requirement, prepared Solution Architecture Document (SAD) with Architects to represent Data flow, Architecture Changes, Impacted Systems/services, Context diagram, Use Case diagrams for VMS system.
• Prepared prototypes, User Interface Mocks, DB design and presented to impacted services teams, LOB, Architects
• Coordinated with Systems Analysts, Development Leads and Test Leads on various Architecture and design issues
• Worked with project managers, Development leads and test leads to provide the resource requirements and project allocation strategies
• Prepared High Level and Low Level Design document implementing applicable Design Patterns with UML diagrams to depict components, class level details. Reviewed with stakeholders for their review comments and approval.
• Reviewed Master Test Plan, System Integration Plan and System Integration Test cases prepared by testing team and provided comments, approval.
• Design of Internal Admin (Web) Application for managing new vehicle domain using Wicket & Spring frameworks.
• Re-design of auto insurance web (online) application using Servlets & JSPs.
• Defining responsibilities interfaces for components which maintain vehicle data.
• Creating UML artifacts - Class Diagrams, Sequence Diagrams.
• Application design using standard JAVA design patterns.
• Review of design artifacts.
• Design of SOAP based web services for vehicle VIN validation using JAX-RPC & JAX-WS. Followed top-down approach.
• Versioning & re-design of existing SOAP based web services for retrieving vehicles.
• Develop application code in Java 1.4/5.0/6.0 and C++.
• Design of Batch Process for processing vendor data files using IBM Websphere Application Server’s Task Manager Framework.
• Re-design of application data store for storing vehicle data and other related information.
• Define new Database model and design new application database. Create E-R Diagrams.
• Review developed code using Smart Bear to identify coding standards & change code accordingly.
• Defects raised during testing phases are analyzed, impacts identified and Root- Cause analysis done on defects/issues in testing or production, fixed/resolved within timelines.
• Create unit test cases and perform Unit Testing for low level business services using JUnit framework and Mockito.
• Performed as Subject Matter expert during feasibility study of new requirements/changes and provided feedback for implementation.
• Responsible for developing major modules, guiding developers to develop as per design and coding standards.
• Assisted Performance Tuning Team to provide data/SLA information and the Heap memory leakage issue, CPU usage issue are identified and fixed to perform Performance Tuning successfully. Used JProbe tool to identify these issues
• Managing, coordinating, planning and executing the project.
• Establishing and monitoring processes for Issue Management and Change Management.
• Allocate task to the subordinates and monitor the progress.
• Coordinate with offshore team, onsite team and provide status to clients.
• Establishing and monitoring the processes for quality management and review the same at all stages.
• Tracking and Mitigating the Risks.

Environnent: IBM RAD, IBM Websphere App Server 7.0, EJB 3.0, Wicket 1.4.20, Spring 3.0, JDK 1.5/1.6, Webservices, SOAP, UML, J2EE, IBM DB2 UDB, IBM DB2 ZOs, SQL, XML/XSD/XSL, Servlets, JSP, ANT 1.6.x, Ajax, Hibernate 3.3.1, Perl & Shell Scripting, C++, UNIX/LINUX, Borland StarTeam, IBM RTC, SOAP UI, JProbe.