Java developer (Kafka, Flowable)
7000 - 12000 SGDTemporary
3 CUBED BUSINESS CONSULTING PTE. LTD.
Roles & Responsibilities
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
- 8+ years of experience in Java-based enterprise application development.
- Strong hands-on experience 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.
Vacancy posted 3 days ago
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