SUMMARY:

• In depth experience in design and development using JAVA, J2EE, Spring and related technologies with expertise on verticals such as Healthcare, Finance and HR.
• Expertise in all phases of the software development life cycle including requirements gathering, analysis, designing, coding, testing, integration, and documentation.
• Experience in building SOAP, and REST web services using micro services architecture.
• Extensive experience in using web frameworks like Spring, Spring boot and ORM frameworks like Hibernate.
• Good understanding of Object Oriented Design (OOD) methodologies.
• Hands on experience on coding, implementation and unit testing of various J2EE related projects
• Extensive experience in database designing using RDBMS Concepts in Oracle, MS SQL.
• Experienced in NoSQL database like MongoDB.
• Expertise in testing and deploying applications using Maven tool.
• Experience in logging the application using Log4j.
• Experience in writing unit test cases using JUNIT.
• Experience in using version controlling system like SVN and GIT etc.
• Good communication and interpersonal skills, quick learner, self - motivated, ability to work individually and as well as in a team environment with good team spirit.

TECHNICAL SKILLS:

Languages: C, Java, Python

Frameworks: J2EE, Hibernate, Spring, Maven, JDBC, JPA, Junit, JAX-RS, Akka, REST

RDBMS: MySQL, Oracle

No SQL: MongoDB, postgreSQL

Development Tools: Microsoft Visual Studio, STS, Eclipse, Atom

Messaging Tools: Kafka

Version Manager: GIT, SVN

Application Servers: Apache Tomcat, Jetty

Operating Systems: Mac, Windows

WORK EXPERIENCE:

Confidential - Sunnyvale, CA

Java Developer

Responsibilities:

• Responsible for developing key functionality APIs.
• Responsible for enhancements and bug fixes.
• Used GIT as a version control system.
• Developed REST services which acted as middleware, handled the business logic.
• Involved in frequent meetings and brainstorming sessions with the clients.

Technical Environment: Java 8/7, Spring-MVC, REST, MongoDB

Confidential

Java Developer

Responsibilities:

• Responsible for the MDM product development using an agile methodology.
• Developed a key module that interfaces external data sources using HL7, EDI and other data formats.
• Involved in frequent meetings and brainstorming sessions with the clients.
• Implemented Recon for data management.

Technical Environment: Java 8/7, J2EE, Spring- MVC, Hibernate, AWS, Aspect Oriented Programming, Spring Security, Spring Batch, JDBC, JSP, SQL

Confidential

Java Developer

Responsibilities:

• Responsible for understanding the functional system and design a spring boot chassis application by updating the version.
• Converted the complete project from Spring to Spring boot and modified web services from WSDL to REST services.
• Providing assistance to multiple projects and identifying any issues in production and support the business during day-to-day activities and ad-hoc requests.
• Production support contact - to analyze, debug and investigate on problems.
• Code reviews (standards, performance tuning, re factoring, re-usability).
• Coordinated with QA team to ensure the quality of application.
• Involved in Agile methodology managing and assigning the tasks for each sprint, scheduling and discussing the goals on daily status calls, fix any obstacles to fulfill the requirements.

Technical Environment: Java 8, PostgreSQL, Spring boot

Confidential

Senior Java Developer

Responsibilities:

• Migration is a combination of Extractor and Loader.
• Implemented a multi-threaded data migration jobs end to end for day zero data load between oracleDB and mongoDB until the legacy system is completely decommissioned.
• Developed a java 8 based application (end to end) which extracts the data from Oracle DB and triggers a kafka message.
• Developed Complex SQL queries using various joins and developed various dynamic SQL’s throughout the project.
• Improved the performance of the application by rewriting the SQL queries.
• Responsible to develop a java 8 based application (end to end) which loads the data to the Mongo DB by reading the kafka message.
• Responsible to write the complete NoSql (Mongo DB) queries (Bulk write Operations & Aggregations) throughout the project.
• Working with the end client, business management on understanding of functional requirements and working with technical lead, manager and team lead to understand the technical requirements.
• Developed a reconciliation tool to compare the migrated data and legacy data using Multi threading.
• Responsible for tracking the production data using recon tool using radar.
• Extensively used Log4J for logging and tracing the messages.
• Used GIT as a version control system.
• Received appreciation award for the project.

Technical Environment: Java, MongoDB, Oracle DB, Kafka Messaging, akka

Confidential

Senior Java Developer

Responsibilities:

• Involved in Requirement Analysis, design and development using spring boot v5.3.
• Responsible for understanding the functional system and rebuild a legacy system to a RESTful web services-based system.
• Developed complete RSVP module end to end using Java8 (lambdas and Stream API’s) and spring boot technologies.
• Implemented file import API which handles to import 500 files at once using multi threading.
• Used Springboot Rest Template to expose RESTful Web Services
• Implemented an API to trigger an email notification to the user on bulk file upload failure using kafka.
• Implemented cronjobs to trigger email notifications.
• Developed REST services which acted as middleware, handled the business logic.
• Extensively used Maven to build all the plugins and verify all the test cases which are part of the build
• Developed all the Junit test cases for all the different layer implementations for 100 percent code coverage using Mockitos.
• Handled deployments to PRE-Prod and QA servers using Jenkins.

Technical Environment: Java8, Spring boot, Maven, MongoDB, Apache kafka, Jetty

Confidential

Java Developer

Responsibilities:

• Developed key functionality API’s to track the employee compliance using Spring MVC and Hibernate framework.
• Responsible for enhancements and bug fixes in back end.
• Used Hibernate 3.0 in data access layer to access and update information in the database.
• Implemented the application using the concrete principles laid down by several Java/J2EE Design patterns like MVC, Singleton.
• Implemented an API which reads the images and stores in the DB as blob format and retrieving.
• Responsible for documenting the core enhancement features.
• Used Eclipse as Integrated Development Environment (IDE).
• Developed JUnit test cases for Unit Testing and functional testing for various modules and prepared Code Documentation for future reference and upgrades.
• Used Subversion as version control system.
• Involved in training the new joiners on java and spring concepts.

Technical Environment: Java, Spring MVC, Hibernate, MySQL, Apache Tomcat