SUMMARY

• Around 8+ years of professional experience in client interaction, requirement gathering, systems analysis, design, development, customizations, Integration and deployment of JAVA/J2EE based Enterprise and Cloud Native applications.
• Experienced in migrating SOA based Architecture systems to Microservices Architecture system and deploying them on cloud infrastructure like AWS, GCP.
• Decent knowledge of UI platform Node JS and library React JS.
• Experienced in development of Cloud compatible Web applications, Client/Server systems, n - tiered distributed applications following SOA, Micro-services architecture and Serverless computing architecture.
• Experience building Event Driven Architecture based system using Messaging Queues, Publisher Subscriber Model and ESB.
• Good understanding of cloud environment of AWS - Amazon Web Services (EC2, S3 Storage, Lambda, CloudFront, CloudWatch, RDS, DynamoDB, EKS),
• Experienced in Google Cloud Platform & Google Kubernetes Engine and firebase.
• Well versed in building highly scalable and elastic cloud native application which can sustain a high volume of traffic.
• Extensive experience using SQL and PL/SQL to write Stored Procedures and Functions.
• Proficiency in working with No-SQL databases like MongoDB & Couchbase.
• Strong hands-on experience in J2EE, Servlet, Spring, Struts2, JSP, Tomcat, IBM WebSphere, Red-Hat JBOSS, Hibernate, Oracle 11g Enterprise Edition, MySQL and Data Modeling, Ajax, jQuery, Object Oriented JavaScript, Twitter Bootstrap, Star UML and Sequence and Class Diagrams.
• Hands on experience in Middleware Messaging Technologies like JMS, WebsphereMQ and Apache ActiveMQ and distributed Messaging and Data Streams like Apache Kafka.
• Well versed in implementing different type of Caching Solution like In Memory Cache, Distributed Cache (Redis).
• Experience in developing policy automation and building rules engine using Drools and OPA(Oracle Policy Automation).
• Experienced in all the technical phases of Software Development Life Cycle (SDLC). Delivered projects while working in Agile methodologies like Scrum, Sprint based Iterative Waterfall.
• Strong development experience creating rich frontend UI in AJAX, JavaScript technologies using JavaScript libraries like jQuery, Angular JS and Web-Development technologies like HTML5, DHTML, CSS3 and Twitter Bootstrap.
• Experienced in working with Hibernate annotations to map POJOs to databases.
• Experienced with J2EE Design Patterns such as MVC, Session Façade, DAO, DTO, Singleton Pattern, Front Controller and Business Delegate.
• Experienced in developing web services with XML protocols such as SOAP and WSDL and HTTP based protocols like REST.
• Expertise in Web Automation using Selenium.

TECHNICAL SKILLS

Language Skills: Java, SQL, HTML 5, CSS 3, Object Oriented JavaScript, Twitter Bootstrap J2EE, JSP, Servlets, JDBC, XML, UML, jQuery, AJAX.

Frameworks: Struts1, Struts2, Hibernate 3, Spring, Angular JS, Node JS, React JS, Spring Boot 2.

Design Pattern: MVC, DAO, Singleton, Factory, Abstract Factory, Singleton, Facade

Application & Web Servers: Apache Tomcat, Jboss 5.1, IBM WebSphere 9

Tools: Eclipse, Tortoise SVN, IBM RTC, GIT, Oracle SQL Developer, SONAR

DOM Debugging Tools: Firebug, Chrome Developer, IE Profiler, SOAP-UI, Postman, Total Validator, WAVE, JAWS

Build Tools: ANT, Maven

RDBMS / NO SQL: Oracle 9i/10g, MySQL, IBM DB2, MongoDB, Couchbase

OS: Windows, UNIX

PROFESSIONAL EXPERIENCE

Confidential

Full Stack Java Developer

Responsibilities:

• Cloud migration re-engineering strategy development.
• Lead the design and development of Rest Based APIs in Spring Boot.
• Spring Batch implementation for various nightly Jobs.
• Messaging Queue integration with the services.
• Migrated SOA based Architecture systems to Microservices Architecture system and deploying them on cloud infrastructure of AWS.
• Used AWS EC2 Instances, AWS EKS, AWS RDS, AWS SQS, AWS SNS, Media Elemental, Media Convert, S3, AWS Lambdas.
• Dockerization and Containerization implementation with Docker registry and deployment over EKS.
• Wrote AWS lambdas for triggering Elemental Media Convert Jobs.
• Implement the reactive framework in Spring Boot 2 Web flux.
• Integration and orchestration of Spring Cloud Gateway.
• Redis Cache Implementation and Orchestration.
• Implemented data pipelines using Apache Kafka queues, for notifications and queue implementation.

Confidential, Eagan MN

Full Stack Java Developer

Responsibilities:

• Lead the design and development of solutions for Fraud Programs, Integration and Payments Program.
• Worked on re-platforming monolithic services to microservices.
• Planning for deployment and orchestration of the system on Google Cloud Platform and Google Kubernetes Engine.
• Implemented Spring Security (Java) based on Mutual Authentication (X509 Cert validation), Token Based Authentication.
• Multithreading and Thread Pool management using Executor Service Pattern.
• Implemented Web Services, SOAP and REST API.
• Elastic Search Implementation over Couchbase DB.
• Implemented data pipelines using Apache Kafka queues, for notifications and queue implementation.
• Production deployment planning and Orchestration for Google Kubernetes Engine.
• Develop the changes using Spring MVC, Spring IOC, Spring Data, Spring REST, Spring IOC, Spring AOP concepts.
• Work on UI enhancements over React JS and Node.

Confidential

Java Backend Developer

Responsibilities:

• Implemented Spring Security (Java).
• Multithreading and Thread Pool management using Executor Service Pattern.
• Implemented Web Services, SOAP and REST API.
• Used Spring IOC (Inversion of Control)/DI (Dependency Injection) for wiring the object dependencies across the application
• Integrated Spring and Hibernate ORM framework for persistence and used Hibernate DAO Support with Hibernate Template to access the data.
• Produced and consumed services using J2EE SOAP Webservices and integrated with the other front-end Technologies.
• Develop test driven framework (TDD) using Spring/Junit and TestNG, Cucumber.
• Developed web services using HTTP, SOAP and XML technologies.

Confidential

Java Backend Developer

Responsibilities:

• Analysis, design and development of Application based on J2EE using Spring and Hibernate.
• Involved in interacting with the Business Analyst and Architect during the Sprint Planning Sessions.
• Developed Rich user interface using HTML, JavaScript, jQuery and CSS.
• Hibernate was used for Object Relational mapping with Oracle database.
• Used Spring IOC for injecting the beans and reduced the coupling between the classes.
• Involved in developing the user interface using Struts
• Responsible for writing J2EE compliant Java code for application development effort which involved working with JSP, Servlets, JDBC, XML, EJB, etc.
• Created sequence diagrams, collaboration diagrams, class diagrams, use case diagrams and activity diagrams using Rational Rose for the Configuration, Cache & logging Services.
• Implemented JMS for notifications and testing with JUnit, Mock cases.
• Implemented caching techniques, wrote POJO classes for storing data and DAO’s to retrieve the data and did other database configurations using EJB.
• Used Spring framework for the MVC implementation with spring for DI and Hibernate as ORM tool for database communication.