SUMMARY:

• 10 years of experience applying advanced computing technologies to enable IT - Business alignment and support strategic business goals.
• Expertise in developing cloud based solutions specifically for Amazon cloud and AWS certified developer associate and architect associate.
• Solid Understanding and working experience in developing Composite Business Applications in SOA Architecture and BPEL technologies using Model Driven Approach.
• Competent of using Java8 lambda expressions and streams to process data.
• Skilled in Implementing solutions using J2EE technologies including JSP, Hibernate, EJB, Spring framework and tools like Rational Software Architect 7.5.5, WebSphere Integration Developer 7.0.0.3, WebSphere Business Modeler 7.0.0.3,Oracle Jdeveloper 11g, Rational Application Developer 7.5 and Eclipse .
• Experienced in SOA Governance which involves in service identification, service creation and service versioning and change management.
• Experienced in ILOG JRules Rule Studio 7.1.1, Rule Team Server and Rule Execution Server.
• Experienced in SaaS and SOA Platforms.
• Primitive knowledge in using NoSQL databases.
• Skilled in UML Modeling using Rational Software Architect and Visual Paradigm.
• Skilled in modeling service interfaces using SoaML
• Hands on Experience in building web services using WS-* standards, which include WS-Security, WS-Transaction and WS-Addressing.
• Experienced in developing Query Tables in WebSphere Process Server for building a high performance Human tasks.
• Experienced in IBM WebSphere BPM Products such as WebSphere Process Server 7.0, WebSphere ESB, DataPower X150.
• Extensive Knowledge and hands on work experience with java Web services of IBM JAX-RPC, IBM JAX-WS, using SOAP and WSDL technologies.
• Good Knowledge and hands on experience in implementing different J2EE design patterns like Session Facade, Singleton, Abstract Factory, Front View Controller, etc.

TECHNICAL SKILLS:

Languages/Webware: Java8, Java Script - Angular.js 1.X, JSP,EJB 3.1, Servlet 2,5, XML, XSLT, SOAP, FLEX 3/4, ActionScript 3.0, REST 2.0

Version Control: CVS, Rule Team server, Rational ClearCase, GIT, SVN, Microsoft TFS.

Development Tools: RSA 7.5, Eclipse 4.3, WebSphere Integration Developer 7.0.0.3, WebSphere Business Modeler 7.0.0.3, Rational Asset Manager 7.1.1, NetBeans 5.5, Rule Studio 7.1.1,Oracle Jdeveloper 11.1.4

Java Framework: JSF 2, Hibernate 3/4, AKKA

Architecture Concepts: SOA, Design Patterns, Application Frameworks, UML Modeling.

RDBMS: DB2 9.2, Oracle 10g, MySQL 5.5

Application Servers: WebSphere Process Server 7.0, WebSphere Application Server 6.1.x,7.0.x JBOSS 7.1, Tomcat 6, Weblogic 10.3

NoSQL: MongoDB

Amazon Web Service: EC2, S3, CDN, ELB, IAM, VPC, DynamoDB, Route53, SQS, SES, RDS, Cognito, Mobile Analytics

Continuous Integration: Jenkins, TestNG

Dev Ops: ELK stack (Elasticsearch, Logstash, Kibana)

PROFESSIONAL EXPERIENCE:

Confidential

Integration/SOA/Lead Developer

Technology: BPEL 2.0, JAX-WS, Oracle OSB, weblogic 10.3.5, Elasticsearch Logstash, Kibana, Beats

Responsibilities:

• Installed and did a Proof of Concept of ELK stack (Elasticsearch, Logstash, & kibana) along with filebeat to do log analysis of our micro services logs.
• Developed regular expression patterns to grok error stack trace to identify the classes and methods specific to our services, which helped teams to identify the TopN problematic classes and methods
• Developed saved searches and dashboards in kibana for frequently used metrics.
• Implemented service proxies with client certificate authentication (X509) on oracle service bus, which are exposed to trading partners.
• Developed drop-in replacement services/components which uses java8 streams(parallel), and identified use cases when not to use parallel streams ( lower environments shows a 50% reduction in processing time for a given batch file while using parallel stream, but under load the gains are not realized)
• Developed SOAP based service(s) and service versioning to support CORE operating rules version 2.2 and version 4.0

Confidential, Texas

Integration Engineer

Technology: JAX-RS 2.0 (Apache Wink), Websphere AS 8.5, Process Designer 8.5, JMeter, AKKA

Responsibilities:

• Identify the missing features between current IBM BPM offering and client requirements and come up with solutions to complement the product.
• Prioritize the functionalities over the iterations and developed Kanban board for development activities of the product.
• Conduct Proof of Concept(s) to make sure suggested solution approach works.
• Utilize the exposed IBM BPM Rest API and JS API to develop the complex features such as getNext work item for a given individual basing on his skills and location.
• Developed an Actor based system (AKKA) to do parallel processing of assigning multiple work items to employees.
• Developed ODM Rulesets which identify the next page in a given page flow of a wizard based on the data entered on the current page.

Confidential

Database Designer, Application Developer, Solution Architect)

Technology: JAX-RS 2.0 (RESTEasy), Amazon S3, Amazon EC2, Amazon Cloud Front, Amazon SQS, Amazon SES, Amazon Cognito, Amazon Mobile Analytics, EJB 3.0, JPA 2.0, Angular JS 1.X, HTML5, Bootstrap.js, JBOSS AS 8.0, MySQL 5.6, Ionic 1.3

Responsibilities:

• Analysis of technology stack and selection of frameworks at each layer, in the layered application architecture.
• Design the relational database schema required for the platform.
• Identify the uses cases and develop sequence diagrams, which helped in outsourcing aspect.
• Develop RESTful services to expose the business function to the UI. Implemented features such as pagination and token-based security authentication in REST services.
• Integrated with AmazonS3 for storage purposes and deployed on Amazon EC2.

Technology:

• Implement AWS Lambda to convert the images uploaded into thumbnail images and store into S3 with RRS.
• A VPC with 2 subnets (1 public and 1 private) to deploy the 3-tier application.
• Configure Auto scaling groups and used it in ELB to launch additional servers on demand.
• Used Amazon Cloud Front and mapped S3 bucket as source, which stores the images and java script for faster loading of page.
• Used SQS and SES AWS services in the application to provide scalability of messages and send email notifications to users of the platform.

Confidential

Architect

Technology: Amazon S3, Amazon EC2, Amazon Glacier, Amazon VPC, Amazon ELB, Amazon SES, EJB 3.1, JBOSS AS 7.1, MySQL 5.6

Responsibilities:

• The marginal cost of onboarding a new tenant is reduced to less than $200/month by changing to resource-shared architecture.
• Implemented data discovery process to identify where the old data exists when data was archived into glacier from S3.
• Data isolation at RDS level is achieved using single DB and multiple schemas and data isolation in S3 is achieved as single bucket and multiple folders and corresponding ACL’s on the folder.

Technology:

• Used Amazon S3 with life cycle management as Content Management System to store the documents uploaded by the tenants.
• Amazon Glacier to archive the data, which is older than 1 year.
• Create AMI’s from EC2, which is used by auto launch configuration to ELB based on the demand.

Confidential

Integration/SOA/Lead Developer

Technology: EJB 3.0, MDB, JPA, JMS 1.1, BPEL 2.0, JAX-WS, Oracle ESB

Responsibilities:

• Lead the development activities for change orders.
• Identifying the reusability of existing components for new functionality
• Responsible for production roll out and change management.
• Evaluating the HIPAA compliance of our solution

Technology:

• Extensive use of JMS for our batch processing and MDB’s for processing the files.
• Developed BPEL process to orchestrate the services and used FTP adapter (MFT) to read and deliver files. JMS Adapters are used to consume and produce messages into Queues.
• Message Routing of X12 claims to our internal systems using Oracle OSB.
• Throttled messages on queues to limit number of BPEL instances to be active at any given time.
• Extensively built EJB 3 components, which are consumed by services and BPEL processes.
• Build JAX-WS SOAP based services to expose business logic.

Domain:

• EDI - X12 (TA1,999,277CA, 837 P/I/D), HL7 (novice)

Confidential, Texas

Integration Developer

Technology: WebSphere Application Server 7.0.0.11, WebSphere Process Server 7.0.0.3, WebSphere Service Registry Repository 7.0, Datapower 3.8, Hibernate, Flex 4, Ilog Rule Execution Server 7.1.1

Responsibilities:

• Improved the performance of search queries by implementing pagination in stateless- webservices using http headers
• Improved the performance of lookup codes and error codes by using the dyna-cache of Application server
• Reduced FileNet file upload failure rate from 3% to 0.1% by identifying the failure cause.
• Developed strategy for migration of rule-service client to different version of rule sets.
• Improved stability of application by identifying root cause of failures in long-running BPEL process.
• Used JDBC adapter to integrate the events that are generated due to change of data in old system
• Developed mediation module to communicate with the payment system of Texas online
• Developed ws-proxies in Datapower for the external services.
• Developed templates and concepts in WebSphere service registry repository to enable governance of services, hold metadata of service, which eased the migration of artifacts from one environment to other environment.