SUMMARY

• Over 6 years of experience in Java/J2EE and Spring software design, development and testing. Update functionality based on customer requirements to ensure excellent user experience.
• Experience in developing Server Side Programming with J2EE technologies.
• Experience in using Spring Framework including Spring Boot, Spring Cloud, Spring Data JPA, Spring MVC.
• Familiar with Spring Framework Technologies like IOC, AOP, MVC, ORM.
• Experience in using Spring Framework Technologies like Spring IOC, Spring AOP, AspectJ, Spring REST to develop RESTful web services.
• Familiar with RDBMS such as Oracle Database, SQL Server. Hand on experience in SQL, HQL. Familiar with NoSQL database such as MongoDB.
• Experience in developing front - end UI using HTML, CSS, JSP, Angular 2+, JavaScript, TypeScript etc.
• Experience in Core Java technologies like Multi-Threading, Concurrency, Collections, I/O, Exception Handling, Polymorphism, Generics, etc.
• Familiar with OOP (Object Oriented Programming) and Functional Programming.
• Familiar with Java Design Patterns like Singleton, Factory, Observer, Template, Prototype, Proxy etc.
• Experience in deploying web application in WebLogic Application Server and Apache Tomcat Server.
• Familiar with Amazon AWS and familiar with Docker deployment.
• Familiar with Software Development Life Cycle(SDLC), like Agile, IID etc.
• Familiar with development tools like Git, SVN and Maven.
• A Self-Motivated and goal-Oriented team player with strong analytical and problem-solving abilities to work in fast pace environment.

TECHNICAL SKILLS

Programming Languages: Java, SQL, C++, python, JS, TS

Frameworks: Spring, Spring Boot, Spring Security, Spring Data JPA, Hibernate, OAuth2

J2EE Technologies: IOC, AOP, Spring MVC, Servlet, JSP, JDBC

Database: Oracle 12c/10g, SQL Server, MongoDB

Application/Web Servers: WebLogic, Apache Tomcat

Version Control: Git, SVN, Maven

Testing Tools: JUnit, Mockito

Front-End: Angular 7, HTML 5, XML, CSS, AJAX, JSON

Operation Systems: Windows, Unix, Linux, Ubuntu

IDE: Eclipse, VS Code, IntelliJ IDEA, Sublime, Atom

PROFESSIONAL EXPERIENCE

Confidential, Pittsburgh, PA

Senior Java Developer

Responsibilities:

• Involve in Software Development Life Cycle (SDLC), development, testing and deployment of application. Used Scrum for task and bug management.
• Involve in the team to integrate the Spring Boot, Spring Data JPA and Spring Cloud framework.
• Use Spring Cloud to develop the Microservice Architecture design.
• Use Hibernate to create the entity mapping to database table and to manage data transaction.
• Use Spring Data JPA to develop JpaRespository for accessing the database to CRUD (Create, Read, Update, and Delete) data.
• Use Spring Boot to develop the RESTful Controller and Service layers to handle customer requests.
• Apply Spring framework (Spring IOC) to inject Java beans to each layer of the application.
• Develop repository, controller, service to handle the request from the user.
• Use OAuth2 to provide the Authentication Service and Remember Me Service.
• Use Spring Data JPA to develop JpaRepository for accessing the database to CRUD (Create, Read, Update and Delete) data.
• Apply Spring Validation to validate the parameters passed from the front end.
• Use Spring Redis to store the company information to decrease the number of IO to the database and increase the response time for the application.
• Involve in using Routing Modules, Routing Components, implementing lazy loading in navigation to improve performance.
• Use Fixed Thread Pool to increase the concurrency.
• Use JUnit for the Unit test.
• Use Maven for the dependencies management.

Environment: Java8, Spring Boot, Spring Security, Spring Data JPA, Junit4, Log4j, WebLogic and Oracle 12c, Git, Eclipse, Maven.

Confidential, Roseland, NJ

Senior Applications Developer

Responsibilities:

• Developed application with Spring Framework, Spring MVC, Hibernate framework.
• Used Spring Inversion of Control (IoC) to injecting beans and reduced coupling between the classes and implemented the Model View Controller using Spring MVC.
• Applied Spring AOP technology and Log4j framework for efficient logging and debugging.
• Extensively used MVC, Factory, Delegate and Singleton design patterns.
• Involved in Module layer, View layer, Service layer to implement the MVC module.
• Used Hibernate framework for the data persistence.
• Used Hibernate Validation framework to validate the parameter passed from front end
• Wrote SQL/HQL to access data from/to database (Oracle Database 10g).
• Used Spring Security for the session control.
• Used Cached Thread Pool to solve the high concurrence problem.
• Used JUnit for the Unit test. Used Apache Tomcat Servers as the application server
• Used Maven to maintain the dependencies.
• Developed reusable popup modal component with custom directive drag gable and resizable.
• Implemented authorization using JWT.
• Used Git for version control.
• Participated in various phases of Software Development Life Cycle (SDLC) to analyze requirement, fix bugs and iterate version. Used JIRA for task and bug management.

Environment: Eclipse, Java, Spring, SpringMVC, Spring Security, Hibernate, Oracle, Log4j, Git, Maven, Junit, Apache Tomcat Server

Confidential, NJ

Senior Applications Developer

Responsibilities:

• Integrated with Spring, Spring Security, Spring MVC, Hibernate framework.
• Involved in the team to integrate the Spring Security, Spring Data JPA and technologies.
• Extensively used MVC, Factory, Delegate and Singleton design patterns.
• Involved in Module layer, View layer, Service layer to implement the MVC module.
• Used Hibernate framework for the data persistence.
• Used Hibernate Validation framework to validate the parameter passed from front end
• Wrote SQL to access data from/to database (Oracle Database 10g).
• Involved with Spring Security to provide the user authentication.
• Used Spring Security for the session control.
• Applied Spring AOP technology and Log4j framework for efficient logging and debugging.
• Used Cached Thread Pool to solve the high concurrence problem.
• Used JUnit for the Unit test. Used Apache Tomcat Servers as the application server
• Used Maven to maintain the dependencies.
• Used Git for version control.
• Participated in various phases of Software Development Life Cycle (SDLC) to analyze requirement, fix bugs and iterate version. Used JIRA for task and bug management.

Environment: Eclipse, Java7, Spring, SpringMVC, Spring Security, Hibernate, Oracle, Log4j, Git, Maven, Junit, Apache Tomcat Server

Confidential, Palo Alto, CA

Software Developer II

Responsibilities:

• Participated in team with Agile developing cycle.
• Developed back-end business layer by using J2EE features.
• Designed patterns to achieve clean separation between different layers using patterns like MVC architectural pattern, DAO and Singleton design patterns.
• Used Hibernate framework for data persistence, also used Hibernate Annotation to maintain the relationship between each entity.
• Applied Hibernate Template to access data from database.
• Developed service layer, developed different methods to handle requests.
• Used Core Java technologies, Exception Handling, IO etc.
• Developed Unit Test by using Junit to test the business logics.
• Developed a Servlet filter to handle each request.
• Used JSTL to develop JSP pages for the project’s front end display.
• Fixed bugs and maintained the project.

Environment: Java7, Eclipse, JSP, Servlet, Hibernate, HTML, CSS, Oracle, Tomcat, XML, JDBCJSTL, Spring, WebLogic

Confidential

Software Developer I

Responsibilities:

• Participated in team with IID developing cycle.
• Developed back-end business layer by using Core Java features.
• Designed and Implemented Servlet, Struts, JSP, HTML, and CSS.
• Used Core Java technologies, EJB, Dependency Injection, IOC, AOP, etc.
• Designed and implemented Data Access Object (DAO).
• Used GIT for source control
• Used pipes such as currency, date, string length slice and number, create reusable custom pipe to transform data.
• Cooperated with QA team to fix bugs.

Environment: Java7, Eclipse, JSP, Servlet, Hibernate, HTML, CSS, MySQL, Tomcat, XML, JDBCJSTL, Spring