Senior Java Full Stack Developer | Contract

Job Scope: We are seeking an experienced Senior Java Full Stack Developer to design, develop, enhance, and maintain enterprise-grade web applications and integrated systems. The ideal candidate should possess solid expertise in Java/J2EE technologies, modern web frameworks, database management, application servers, and API integration. Experience with government authentication platforms and payment gateway integrations will be advantageous. Key Responsibilities Design, develop, test, deploy, and maintain scalable enterprise web applications using Java/J2EE technologies. Develop and support backend services using Java 11, Spring Framework, Spring MVC, Spring Boot, and Hibernate. Build responsive user interfaces using JavaScript, HTML, Angular, React.js, jQuery, and related front-end technologies. Configure, administer, and troubleshoot Apache Tomcat application servers and Internet Information Services (IIS). Develop and maintain RESTful APIs and integrate with external applications and third-party systems. Implement secure file transfer mechanisms using SFTP protocols. Perform database design, development, optimization, and maintenance activities for Oracle and Microsoft SQL Server environments. Manage and support Oracle RDS 19C databases and ensure database availability and performance. Administer and maintain Red Hat Linux environments supporting application infrastructure. Utilize open-source technologies and frameworks such as Log4j, Axis, Angular, React.js, and jQuery to support application development. Develop and maintain content management solutions using Adobe CQ5. Implement and support online electronic payment integrations. Participate in system integration activities involving APIs and external interfaces. Support application deployment, troubleshooting, performance tuning, and production issue resolution. Collaborate with business users, stakeholders, and technical teams to gather requirements and deliver technical solutions. Prepare technical docume…