JAVA DEVELOPER Chicago, IL ***** ad3al7@r.postjobfree.com 773-***-****

using Java and J2EE technologies.

Expertise in distributed and web environments, with a focus on Java technologies, including Java collections, threads, J2SE, JDBC, Struts, Spring framework.

Participated in design discussions, understanding business requirements, and identifying relevant functional and technical requirements.

Worked on the development of Hibernate, including mapping files, configuration files, and classes for database interaction.

Responsible for implementing business requirements using Spring Core, Spring MVC, Spring Boot, Spring Data, and Spring Security.

Created Hibernate annotation-based mapping Java classes for Oracle Database tables. Developed the credit check module using Servlets and JSP core Java components in WebLogic Application Server.

Expertise in various phases of the Software Development Life Cycle (SDLC), including requirement gathering, design, analysis, and code development.

Implemented a single sign-on (SSO) authentication scheme with IIS web server to authenticate and identify users. Experience in using Maven and ANT for build automation. Experienced in generating logging with Log4j to identify errors in the production test environment, and familiar with Ant, Maven, and Gradle tools.

Expertise in the entire Software Development Life Cycle (SDLC) for intranet and internet applications using web/application servers such as Tomcat, JBoss, WebSphere, and WebLogic Application Server.

Proficient in using version control systems, including CVS, SVN, and GIT.

Conducted building and deployment of EAR, WAR, and JAR files on test and stage systems in WebLogic Application Server.

Experienced with RDBMS implementation and development using Oracle 10g/9i, PL/SQL, MySQL, SQL Server, and proficiency in writing complex SQL queries.

Experience in unit testing applications using the JUnit framework and developing logging and standard mechanisms based on Log4J.

Specialization in distributed application development and object-oriented programming (OOP).

JAVA DEVELOPER Chicago, IL 60660 ad3al7@r.postjobfree.com 773-***-****

TECHNICAL SKILLS:

JAVA/J2EE Technologies: Servlets, JSP, EJB2.0/3.0, JMS1.1, Multithreading, Applets, JDBC

Web/Applications Servers: IBM Web sphere 5.0/5.1.2/6.1/7.0, BEA WebLogic Server

5.1/7.0/8.1/9.2, Apache Tomcat Server 5.0/6.0

Development Tools: Intellij, STS, Eclipse 3.0, JBuilder 5.0, NetBeans

Languages: Java, SQL, PL/SQL, UML, C,

Databases: Db2, Oracle 8 / 9i / 10g, HSQL, My Sql, MS SQL Server 7.0, Sybase, MS-Access.

Web Services: Restful, SOAP, WSDL

Design Methodologies: Rational Unified Process (RUP), Agile (SCRUM), UML.

Version Controls: Git, SVN, CVS

Testing Tool: JUnit, Mockito, POSTMAN and SOAP UI

Operating Systems: Windows XP/NT/7, MS-DOS, Unix, Redhat Linux.

Client: Northern Trust

Location: Chicago, IL

Duration: Feb 2022- Present

Involved in the complete SDLC, including the design of system architecture and the development of System Use Cases based on functional requirements.

Acquired expert-level skills in using Spring Boot, Spring MVC and Hibernate framework. Implemented MVC architecture, Spring framework, J2EE design patterns, Spring IOC, Java, and Hibernate.

Utilized the intercepting filter design pattern for all pre-processing and post-processing purposes, including session validation, authorization, and logging.

Worked on Core Java and its libraries, collections, multithreading, and exception handling to create the business logic for Java/J2EE web applications.

JAVA DEVELOPER

Chicago, IL 60660 ad3al7@r.postjobfree.com 773-***-****

Created a batch job that retrieves records from the database and sends data to the lettergenerating web service.

Gained hands-on experience with IDEs such as Eclipse, Spring Tool Suite (STS), and IntelliJ. Used Git as a source control management system, providing a significant speed advantage on centralized systems communicating with a server.

I possess a strong familiarity with cloud computing through AWS, AWS supports a wide range of Java Frameworks, libraries and application architecture.

Leveraged AWS as a Java Developer to build, deploy, and scale applications efficiently. Moreover, cost-Efficiency, security, global reach, service management, flexibility and scalability are the other factors.

Utilized various complex data structures in the Java/J2EE Collections Framework for building business logic and performing validations.

Employed the Spring framework to inject DAO and Bean objects, perform auto-wiring of components, and implemented application security using the Spring Security API.

Addressed issues found during the testing phase for all developed modules, conducting extensive troubleshooting and stress testing to improve application performance.

Used various SQL statements to store and retrieve data from the database.

Demonstrated expertise in using source code control systems such as GIT, JIRA, and Jenkins for maintaining versions across various releases.

Gained hands-on experience with IDEs like Eclipse, Spring Tool Suite (STS), and IntelliJ

Environment: Spring, Hibernate, Struts, Oracle, CRUD(1), PL/ SQL, JDBC, coherence, MongoDB, REST, Eclipse, WebLogic, Postman, AWS, SQL Server, JDBC, Eclipse, Tomcat, JUnit, and Log4j.

Java Developer

Client: Johnson And Johnson

Location: New Brunswick, NJ

Duration: Apr 2020- Jan 2022

Developed and implemented web services, utilizing Spring Boot and Kafka for communication between different web services.

Played a role in requirements gathering, design, development, and testing phases of the Software Development Life Cycle (SDLC).

Employed SOAP JAXB for producing web services and wrote programs to consume these services.

Used ORM technology such as Hibernate to provide an object model for data in the database, enhancing ease of access.

Developed the application using the Spring MVC framework, facilitating the separation of business logic, presentation logic, and navigation logic.

Utilized SQL queries in Java code for select/update/delete operations based on business requirements.

Implemented Spring Dependency Injection and Aspect-Oriented Programming.

JAVA DEVELOPER

Chicago, IL 60660 ad3al7@r.postjobfree.com 773-***-****

Used Log4j to capture logs, including runtime exceptions and logging information, aiding in debugging.

Extensively utilized the mainframe platform to access tables in the DB2 database and refresh data.

Created applications, connection pools, and deployed JSPs, Servlets, and EJBs in WebSphere.

Tested Restful Services using web pages with XML and JSON formats.

Covered 80% of the code with unit test cases written using Junit and Mockito.

Created data sources and deployed web applications in the IBM WebSphere Application Server.

Contributed to database design and implemented backend logic in DAO classes and HQL. Collaborated with server administrators and deployed the application on production and stage servers.

Environment: Spring, Springboot, Struts, JSF, EJB, Jboss, WebSphere, DB2, JUnit, Log4J, FileZilla,

Spring Framework security using OAuth, SharePoint, DB2, Mainframe Platform

Jr. Java Developer

Client: Alliant Credit Union

Location: Chicago, IL

Duration: Aug 2018- Mar 2020

Participated in various stages of the SDLC, including requirements analysis, design, implementation, development of web services using REST and XML, and testing.

Took responsibility for and actively contributed to the analysis, design, implementation, and deployment of the full software development life cycle (SDLC) of the project.

Extensively utilized the Spring Framework as the controller to handle subsequent client requests and invoke the model based on user requests.

Executed test strategies, analyzed test results, and maintained strict adherence to the client's prescribed testing guidelines, control processes, and procedures.

Designed and implemented application features integrated with Spring MVC and Hibernate. Wrote shell scripts to export Oracle table data into flat files, performed unit testing using JUnit, and employed Log4j for logging and automatic batch jobs.

Used JMS-MQ Bridge to send messages securely, reliably, and asynchronously to WebSphere MQ, connecting to legacy systems.

Resolved and troubleshooted problems, fixing bugs using Java and XSLT.

Developed SOAP and WSDL web services and web services clients using JAXB and XML, implementing SOA architecture.

JAVA DEVELOPER

Chicago, IL 60660 ad3al7@r.postjobfree.com 773-***-****

Created functional point estimations and designed the user interface using the Struts Framework.

Designed and developed presentation layers using Servlets, JSP, Java Beans, CSS, HTML, DHTML and jQuery.

Tested Restful Services using web pages with XML and JSON formats.

Used Core Java to develop interfaces and abstract classes according to business requirements.

Worked extensively on debugging using logging frameworks such as Apache Log4j.

Implemented Spring Dependency Injection and Aspect-Oriented Programming.

Developed code for obtaining bean references in the Spring framework using Dependency Injection (DI) or Inversion of Control (IoC).

Developed stored procedures and triggers using PL/SQL to calculate and update tables to implement business logic.

Implemented the MVC pattern using the Spring framework for the web tier.

Migrated existing applications into REST-based Microservices to provide CRUD capabilities using Spring Boot.

Designed and developed XML processing components for dynamic menus in the application. Used WebSphere Application Server for deploying various components of the application. Employed CVS for version control.

Environment: Java, J2EE, Servlets, JDBC, SQL server, Eclipse and UNIX, JSP, XML, JDBC, Spring Framework and UNIX.

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