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.