Systems Integration Senior Specialist

Job Title Senior Java Full Stack Developer (Java + React) - 8+ Years Job Summary We are looking for a highly motivated and experienced Senior Java Full Stack Developer with 8+ years of experience in designing, developing, and supporting enterprise-grade applications. The ideal candidate should have strong expertise in Java technologies, Microservices architecture, React-based front-end development, cloud-native deployments, containerization, and modern DevOps practices. The candidate will be responsible for building scalable, high-performance applications, collaborating with cross-functional teams, and driving best practices across the software development lifecycle. Primary Skill Set Java, J2EE, Spring Boot, React.js, Oracle PL/SQL, Kafka, Kubernetes, Docker, CI/CD, GitLab Key Responsibilities Design, develop, test, and maintain scalable enterprise applications using Java/J2EE technologies. Develop robust RESTful APIs and Microservices using Spring Boot. Design and build responsive, reusable, and high-performance user interfaces using React.js. Implement modern front-end development practices using React Hooks, Context API, Redux, and component-based architecture. Develop and optimize database objects, stored procedures, packages, and complex queries using Oracle PL/SQL. Build event-driven and asynchronous integrations using Apache Kafka. Deploy and manage applications using Docker and Kubernetes. Participate in application modernization, migration, and cloud adoption initiatives. Build, maintain, and troubleshoot CI/CD pipelines using GitLab. Perform code reviews and enforce coding standards, best practices, and design principles. Analyze and resolve application performance, scalability, security, and production issues. Collaborate with Business Analysts, QA teams, DevOps engineers, Architects, and stakeholders in Agile environments. Ensure code quality and security compliance using SonarQube. Manage user stories, defects, releases, and sprint activities using Jira. Provide technical guidance and mentorship to junior developers. Support and enhance legacy applications built using EJB and WebLogic where required. Required Skills 8+ years of hands-on experience in Java/J2EE application development. Strong expertise in Spring Boot and Microservices Architecture . Minimum 3+ years of hands-on experience in React.js development . Strong understanding of React Hooks, Redux, Context API, React Router, and component lifecycle. Proficiency in JavaScript (ES6+), HTML5, CSS3, and responsive web development. Strong knowledge of Oracle PL/SQL. Hands-on experience with Apache Kafka. Experience with Docker and Kubernetes. Strong understanding of GitLab and CI/CD pipelines. Experience deploying and supporting applications on WebLogic. Experience with SonarQube for code quality and vulnerability management. Proficiency in Git version control. Experience working with Jira in Agile/Scrum environments. Familiarity with EJB (Enterprise Java Beans). Strong understanding of REST APIs, design patterns, and secure coding practices. Experience troubleshooting and optimizing enterprise applications. Preferred Skills Experience with Spring Security and OAuth/JWT-based authentication. Experience with Redux Toolkit, Material UI, or similar React UI frameworks. Experience in cloud platforms such as Azure, AWS, or GCP. Experience in containerized and cloud-native application development. Knowledge of performance tuning and application monitoring tools. Exposure to DevOps practices and release management. Experience with automated unit and integration testing frameworks. Experience in financial services or other enterprise-scale applications is a plus. Soft Skills Strong analytical and problem-solving skills. Excellent verbal and written communication skills. Ability to work independently and collaboratively in a distributed team environment. Strong ownership, accountability, and commitment to deliverables. Ability to lead technical discussions and mentor team members. Adaptability and willingness to learn new technologies.