Java developer (Kafka, Flowable, State Machine, JMS, Spring Cloud, SOAP, GraphQL, Kubernetes)

Responsibilities • Design, develop, and maintain scalable backend solutions using Java, Spring Boot, and Microservices. • Develop reliable APIs and service integrations to support complex enterprise applications and business workflows. • Build asynchronous and event-driven solutions using Apache Kafka and messaging technologies. • Design and implement workflow-driven applications using Flowable Workflow Management and State Machine concepts. • Develop secure application services using Spring Security, OAuth, and JWT. • Work on distributed applications deployed in Docker and Kubernetes environments. • Design service components that support high transaction volumes, concurrency, availability, and performance requirements. • Integrate backend services with web applications and external enterprise systems using REST, SOAP, and other API technologies. • Collaborate with architecture, product, QA, and engineering teams to translate business requirements into scalable technical solutions. • Perform technical troubleshooting, root-cause analysis, performance optimization, and production issue resolution. • Participate in design reviews, code reviews, automated testing, and continuous improvement of development practices. • Provide technical guidance to developers and contribute to engineering standards and best practices . Requirements • 7+ years of experience in Java-based enterprise application development. • Strong hands-on expertise in Java, Spring Boot, and Microservices Architecture. • Mandatory experience with Apache Kafka and event-driven/asynchronous application development. • Mandatory hands-on experience with Flowable Workflow Management and State Machine Workflow. • Strong experience with Spring Security, OAuth, and JWT. • Experience in REST APIs, SOAP, GraphQL, and OpenAPI. • Hands-on experience with Docker and Kubernetes in enterprise application environments. • Experience in Spring Cloud, JPA/Hibernate, and enterprise Java/Jakarta EE. • Experience with messaging technologies such as JMS or RabbitMQ is preferred. • Strong database experience with Oracle, MySQL, MSSQL, or MongoDB. • Experience in design patterns, object-oriented programming, TDD/BDD, and automated testing. • Experience with Jenkins/GitLab CI/CD, Maven/Gradle, SonarQube, and Git-based development workflows is preferred. • Experience developing high-availability, high-volume enterprise applications, preferably within banking, financial services, or other transaction-intensive environments. • Strong troubleshooting, system-design, code-review, and technical collaboration skills.