Java Developer (J2EE, Spring Boot, Kafka, K8s, PCI DSS, AWS, Azure, OAuth)

Responsibilities • Lead the design and development of enterprise applications using Java and Spring Boot, ensuring high performance, scalability, and maintainability. • Design and implement microservices-based solutions to support distributed applications and complex business integrations. • Translate business requirements into technical designs and scalable backend solutions. • Develop and integrate RESTful APIs to enable secure and efficient communication between enterprise systems. • Establish coding standards, reusable design patterns, and development practices to improve software quality and consistency. • Optimize data access and application performance using Hibernate/JPA and appropriate database technologies. • Design event-driven integrations using Apache Kafka to support reliable communication between distributed services. • Drive cloud application development and deployment across AWS and Microsoft Azure environments. • Manage application containerization and deployment using Docker and Kubernetes. • Collaborate with frontend teams to integrate React applications with backend services. • Identify architectural risks, troubleshoot complex technical issues, and improve application reliability and performance. • Implement automated testing and CI/CD practices to improve delivery quality and deployment efficiency. • Ensure applications follow security best practices and relevant compliance requirements. • Provide technical guidance, conduct code reviews, and mentor developers throughout the software development lifecycle. Requirements • Minimum 8+ years of experience in software development, backend engineering, and enterprise application integration. • Strong hands-on experience in Java/J2EE and Spring Boot. • Proven experience designing and developing microservices and distributed systems. • Experience in RESTful API development, integration, and service-oriented architecture. • Experience in oriented programming, design patterns, clean code, and application architecture. • Practical experience with Hibernate/JPA and relational database technologies such as PostgreSQL or MariaDB. • Hands-on experience with Apache Kafka and event-driven architecture. • Experience deploying applications on AWS and Microsoft Azure. • Experience with Docker and Kubernetes for containerization and orchestration. • Experience with Spring Cloud and API documentation using OpenAPI. • Experience with CI/CD tools such as Jenkins or GitLab CI/CD and build tools such as Maven. • Experience in OAuth , secure coding practices, OWASP guidelines, and PCI-related security standards. • Experience with unit testing, integration testing, and test-driven development. • Experience in React and frontend-backend integration. • Experience in application performance optimization, scalability, reliability, and production support. • Strong technical leadership, analytical thinking, problem-solving, and team collaboration skills. • Certification in Java programming is preferred.