SUMMARY

• Lead Java Developer /AWS Certified Architect with 10 years of experience with design patterns, technical architecture, development and business process modeling. Expert knowledge in designing and developing complex, multi - threaded applications
• Diverse experience utilizing tools in N-tier and Micro services architecture applications using Spring Boot, Spring Cloud Netflix OSS components (Eureka, Config, Zuul, Hystrix).
• Experience in designing and building infrastructure using AWS services EC2, S3, VPC, Cloud Formation, and Cloud Watch.
• Experience in building AWS Cloud Formation templates in deploying and maintaining applications in AWS
• Experience in building CI/CD pipelines using Jenkins
• Expertise in development of n-tier component based enterprise web applications
• Excellent understanding and experience in OOPS principles inheritance, encapsulation, polymorphism, and Core Java principles collections, multithreading, synchronization, exception handling .
• Highly proficient in designing enterprise applications with Spring standards like DI/IOC Dependency Injection/Inversion of Control, AOP Aspect Oriented Programming, Security, Transaction Management, and MVC
• Experienced in Restful Web Services and SOAP Web Services
• Excellent understanding of linking databases with web applications using JDBC and ORM(Hibernate and JPA) Experience in manipulating database records using SQL, PL/SQL queries .
• Good understanding in implementing Inheritance and Entity Relations in tables using Hibernate framework
• Complete Understanding and hands on experience in Agile development methodologies.
• Good understanding/knowledge of ELK (ElasticSearch, Logstash, Kibana).
• Deep understanding of information retrieval concepts using JEST API from Elastic search
• Expertise in building log stash pipeline for retrieving and transforming while sending it to ES.
• Expertise in creating and on boarding Api's on Apigee Edge.
• Expertise in working with Message Queue such as Active MQ, Rabbit MQ .
• Expertise in HL7 programming.
• Experience in developing web-based GUIs and Client side validations using Spring MVC, Angular JS, JQuery
• Having good experience in building ESB (Enterprise Service bus) using Orion Rhapsody tool, Apache Camel
• Having good experience in capturing requirements in form of screen based use cases.
• Experienced in working with various application servers like JBoss, Web logic, WebSphere .
• Experience in Build tools Jenkins, Maven .
• Excellent communication skill, team coordination, leadership qualities, presentation ability.

TECHNICAL SKILLS

Web Technologies: JSP & Servlet, Struts 1.2, Spring MVC, Angular JS, JQuery

Frameworks and APIs: J2SE, J2EE, Spring Cloud, Hibernate-JPA, Web Services(Apache Cxf, JAX-WS, REST)

Cloud Technology and Services: AWS - EC2, ECS,S3, VPC, Cloud Formation, Cloud Watch, RDS, Dynamo Db, EFS

ORM: Hibernate, JPA, Spring-data-JPA

Database: Oracle, My Sql,DB2, Elastic Search

MQ: Active MQ, Rabbit MQ

Application & Web Servers: Apache Tomcat, Jboss 6.0, Weblogic 12c, WebSphere, Apache Karaf, IBM IHS

API Frameworks: Apigee Edge

Operating Systems: Windows, Linux

Build Tools: Ant, Maven, and Jenkins.

Test API's: Junit, Mockito, Cucumber, Selenium

ESB Tool: Talend Studio for ESB, Orion Rhapsody.

PROFESSIONAL EXPERIENCE

Confidential

Lead Java Developer

Responsibilities:

• Involved in complete development of 'Agile /SCRUM' and tested the application in each iteration
• New library development with micro services architecture using Rest APIs, spring cloud components.
• Written the micro services for discovery, config server using Spring Boot
• Implementation of Hystrix circuit breaker to call the fallback methods.
• Implementation of Zuul proxy as the API gateway to build the gateway micro services.
• Implemented the REST web service for utilizing these services through JAX-RS and Spring Rest Controller.
• Used Hibernate as Persistence tool to interact with Persistent database Oracle.
• Generating Rest services templates using swagger specifications.
• Involved in the implementation of front end services through AngularJS and connecting them to the backend services.
• Incorporated error handling through exception handling in different layers and generating custom exceptions.
• Implemented different levels of logging throughout the system using Slf4j logger.
• Setting up the api's on apigee edge and implementing all foundation capabilities such as security, throttling, error handling, threat protection.
• Writing cloud formation templates with AWS ELB's and Auto Scaling Groups to bring up the application infrastructure on AWS for N-tier applications to enable high availability and scalability.
• Implemented full cycle POC's on Apigee Gateway to show case all foundation capabilities on boarding api's, creating products, throttling, security, threat protection etc.
• Writing test cases using Junit-Mockito.
• Deploying app's on web logic, Tomcat servers.
• Helped in writing automation test suites using Junit.
• Code and develop custom Elastic search java based wrapper client using JEST API
• Coded java based ES Queries and custom ES Query aggregations using JEST API for searching and accessing data in Elastic search coded custom data mappings.
• Used Alsatian API to write plug-in for Jira and Stash to capture data and send it to elastic search.
• Written Log Stash to extract the data from the logs and send data to Elastic Search.

Lead Developer

Responsibilities:

• Managed team and conducting regular sprints and task breaking and reporting along side with developer activities.
• Used HL7 version 2.7 in preparing the request and response messages (QPD Q11 and RSP K31) for the prescription monitoring program.
• Used Orion Rhapsody tool to build the ESB route for the providers to connect to the MA PMP online system.
• Created web services both service and the client using Soap 1.2 which is embedded in the Rhapsody engine.
• Written Java classes used as mapper to convert the HL7 message to the XML to use it to communicate with the external system.
• Written java script code for the validations of the HL7 message to interpret if the received message is according to standard.
• Prepared the Interface control document with the technical architecture which explains the providers regarding the technical overview of the project.
• Used Soap UI to test the ESB route.

Lead Developer

Responsibilities:

• Used SOA architecture to build application
• Building GUI screens using GWT MVP pattern
• Used Apache CXF frame work in building SOAP web services for the communications of GUI screens
• Created service classes using Spring IOC concepts.
• Creating entity and repository classes for the database model with Spring Data JPA.
• Involved in writing DML Queries in Hibernate query language.
• Used spring eh-cache to avoid unwanted database hits which resulted in faster load of data on the screen.
• Involved in creating a daily batch to load the data of the fund from different system using spring batch.
• Written test cases for service and DAO layer using Junit Mokito.
• Written Business Driven Test cases using cucumber framework.
• Helping team to understand the requirements.
• Followed Agile methodology.
• Involved in creating file transformation in Talend Studio
• Used Apache Camel to build ESB route. The ESB route is made using EIP(Enterprises Integration Pattern's)
• Created soap web services using Apache CXF frame work.
• Build service layers using Spring IOC concepts.
• Involved in writing Entity classes using Hibernate-JPA concepts
• Written test cases for service and Dao layer using Junit Mokito.
• Helping team to understand the requirements and preparation of test cases
• Involved in implementation of business logic using Spring and client side Web services calls.

Technical Lead

Responsibilities:

• Been in client Location Europe, Gent, Belgium for Collecting and documenting the Requirements.
• Documenting the requirements.
• Configuring and maintaining the project in SVN & TFS.
• Involved in design and development of modules in spring MVC
• Involved in building GUI screens using JSP and HTML and java script
• Involved in building DAO layers using JPA.
• Maintained the build release management using Hudson, SVN
• Helping to team members to closing the defects before SLA date.
• Guiding to team members to improve the performance of each module in Application.
• Handling the complex modules and closing the complex issues before the SLA.
• Providing the technical solutions to team members.
• Preparing the CR document and giving KT to team members to develop the CR.
• Created soap web services using Apache CXF frame work.
• Build service layers using Spring IOC concepts.
• Involved in writing Entity classes using Hibernate-JPA concepts
• Written test cases for service and Dao layer using Junit Mokito.
• Helping team to understand the requirements and preparation of test cases
• Involved in implementation of business logic using Spring and client side Web services calls.

Java Developer

Responsibilities:

• Undergone training for java/j2ee technologies
• Create prototypes for the GUI screens using HTML and Java scripts.
• Designed and developing Servlet's, JSP's, Java Classes and HTML forms.
• Involved in bug fixing for debugging different module.
• Involved in writing Junit test cases for the service layer.
• Written SQL queries for the service layers to handle the data.