SUMMARY:

• Experienced for 6+ years in providing full life cycle solutions for applications and expertise in Software Design, Development and Testing with expertise in Java, Spring Security, Spring MVC/Boot, Hibernate, SQL, Angular7, TypeScript, HTML5, CSS3, JUnit.
• Expertise in Core Java technologies like Operators, Flow Control, Exception Handling, Multi - threading, Object and Collections, Garbage collections and Assertions.
• Experienced in translating business requirements to technical specifications. Roles include analysis of algorithms, customer service abilities, design, problem solving and debugging
• Good knowledge of design patterns such as MVC, Singleton and Abstract factory.
• Hands-on experience in different modules of Spring Boot Application Framework including Spring Hibernate, Spring Batch, Spring JMS, Spring Crud, Spring mail Api, and so on.
• Exposure and working experience with Security features like Spring Security.
• Experience in creating and consuming SOAP WebServices and Restful WebServices.
• Strong experience utilizing various XML technologies on server and client-side in J2EE.
• Good experience in front-end technologies such as JSP, Angular 7.0, HTML5 and CSS3.
• Proficiency in SQL syntax for MySQL, HQL as well data-structure designing.
• Strong knowledge of developing software within a team0 using distributed code repositories (Git/SVN) and strong knowledge of Git and SVN commands (add, commit, push, checkout).
• Excellent experience in developing using Junit, automated testing as well as utilizing Log4J.
• Hands-on experience in Windows, UNIX and Linux platforms.
• Excellent written, verbal communication, presentation and problem-solving skills.
• Worked on all phases of Project and Product development life cycle that includes System Study, Analysis, Design, Development, Integration, Testing, Deployment and Documentation.
• Proven ability to work in tighter schedules and efficient in meeting deadlines.
• Self-starter, fast learner and team player with strong personal and group communication skills.
• Proven excellent team management and mentoring ability, practiced and promoted the best practice of programming in teams using AGILE methodologies with estimates.

TECHNICAL SKILLS:

Programming Languages: Java 7/8, R

Front End Technologies: JSP, HTML5, CSS3, JavaScript, Angular 7.0

Frameworks: Spring 4.1/Core/MVC/Boot/Security/, Hibernate 4.3

BigData: Hadoop MapReduce, Hive (HDFS)

IDE: Eclipse, STS

Design Patterns: Singleton, Factory, Abstract Factory, MVC, DAO, Front Controller

Web Servers: Apache Tomcat 8.0/9.0.

Deployment Tools: Apache Maven.

Version Control: Git, SVN

DB: MySQL, Oracle, Hive

Testing Tool: JUnit

Operating System: Windows, Linux

PROFESSIONAL EXPERIENCE:

Confidential, Pittsburgh, PA

Full Stack Java Developer

Responsibilities:

• System study, interaction with users, analysis, designing, coding, and testing & implementation of the system. Development of product management code.
• Used Angular7 custom directives to route event to event handler functions, perform data binding, associate controller/scope with a view.
• Creating Micro plans, effort estimations and traceability matrix documents. Identifying and escalating any issues in the development. Preparing the technical specifications based on analysis.
• Developed MapReduce programs to parse the raw data, populated staging tables and store refined data in partitioned tables.
• Coordinating with the team members and involved in code reviews.
• Designed navigation for the system in the Angular7 routers to navigate through different web pages.
• Involved in the front-end design using HTML5, CSS, TypeScript.
• All the functionality is implemented using Spring Boot and Hibernate ORM. Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security modules.
• Extensively used Spring IOC, AOP, configured Application Context files and performed database object mapping using Hibernate annotations.
• Used Spring Framework for Dependency Injection (DI) and integrated and used DAO design pattern to retrieve the data from database.
• Involved in creating Hive tables loading with data and writing hive queries that run internally in map reduce.
• Implemented caching techniques, wrote POJO classes for storing data and DAO’s to retrieve the data and did other database configurations using Spring 4 . 0 .
• Implemented the RESTful API WebServices for utilizing these services and exposing some of the newly implemented functionalities for others through JAX-RS and Spring RestController.
• Consumed RESTful API WebServices and worked on Spring security for ensuring the security and authentication on the application.
• Implemented Business Objects/Data Access Object architecture.
• Used Hibernate as an ORM tool for connecting to database, accessing information.
• Followed TDD methodology and created numerous test cases for unit testing of the code using JUnit testing framework.
• Design database in My SQL, including tables, relationship, sequence, triggers.
• Involved in analysis, design and Implementation applying the Agile methodology.

Environment: Java 8, J2EE, Spring Boot 1.2.3, Spring MVC 4.1.5, Angular 7, Hibernate ORM 4.3.5, Hadoop MapReduce, Hive, Agile/Scrum, Jenkins (CI), Bootstrap, RESTful API WebServices, TypeScript, HTML5, CSS3, UML, Oracle 11g, PL/SQL, Junit, Git, Maven.

Confidential

Java Developer (Data Analysis)

Responsibilities:

• Responsible for data gathering of King County from Kaggle.
• Used JavaScript services and factories to organize and share code across the application
• Designed the web pages for the sales consultation tool and wrote the business logic for them
• Used J2EE paradigm using spring framework for MVC architecture
• Used different statistical technique for data cleaning like correlation matrix, histogram, box-plot, plot, outlier detection etc.
• Used BigData, Hive Machine Learning algorithm technique in R with statistical multivariate linear regression for predictive analysis
• Development of the models for different category of users using different statistical technique
• Prepared slide show and presented in front of Confidential panel for acceptance of the module.
• Implemented service layer using Spring IOC and annotations and Controllers using Spring MVC.
• Used Hibernate Framework for object relational mapping and persistence.
• Used Spring's characteristic features like Dependency Injection/Inversion of Control, Transaction Management and Aspect Oriented Programming for various modules functions.
• Create service for pipeline UI interface to determine which UI to navigate to on loans in inquiry stage under sales consultation tools.
• Implement several core designs patterns like MVC, Singleton and Data Access Object (DAO) etc.
• Interfaced with the Oracle backend using Hibernate Framework and XML config files.
• Implemented functional enhancements and bug fixes to the sale consultation web pages in the UI front, java model side and database end using J2EE.
• Used CSS style sheets which make it flexible to change the appearance and layout of UI pages in a project.
• Applied Agile methodology and organize scrum meeting on a regular basis.
• Used Apache Maven as the software build tool and Log4J for logging errors and messages and Subversion for version control.

Environment: Java, Spring 3.x, Hibernate 3.x, SOAP WebServices, Eclipse, HTML5, CSS3, JavaScript, JMS, JBoss 7.x, Maven, Oracle, Log4j.

Confidential

Java Developer

Responsibilities:

• Development of frontend components using JSP, HTML, JavaScript.
• Responsible for requirements gathering for library records & fee structure module.
• Worked with the UAT group to iteratively work to fix the defects.
• Worked with Selenium Automation for Web UI testing
• Responsible for ‘Unit Testing’, ‘Sanity Testing’ and ’Regression Testing’

Environment: Java/J2EE (J2SE 1.4), HTML, JavaScript, JSP, Servlet, Apache Tomcat 4.1, XML, Selenium.