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Open nowPosted 3 days ago

Java Developer (MQTT, ActiveMQ, Cassandra, J2EE, LDAP, SOAP, WebSphere, Spring Security, JWT)

MyCareersFuture94,028 open roles

Pay
SGD 10,200 – SGD 11,700 a Monthly
Where
Singapore
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Your applicationOpen nowJava Developer (MQTT, ActiveMQ, Cassandra, J2EE, LDAP, SOAP, WebSphere, Spring Security, JWT)MyCareersFuture · Singapore
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The clock on this job

Early applications get read.

7.7% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 1.6%1 day
  2. 3.3%3 days
  3. 7.7%7 days
  4. 14.0%14 days
  5. 33.7%30 days
This job: posted 3 days ago

The posting

Responsibilities

  • Develop and enhance enterprise-grade backend applications using Java, Spring Boot, and microservices architecture.
  • Build and integrate scalable REST and SOAP-based services for enterprise applications and system integrations.
  • Implement asynchronous and event-driven application components using messaging technologies such as MQTT, Kafka, and ActiveMQ.
  • Develop cloud-enabled backend solutions using AWS services, including serverless application components.
  • Design and maintain applications deployed in containerized environments using Docker and Kubernetes.
  • Develop data-access and persistence components using Java-based ORM technologies across relational and NoSQL database environments.
  • Build solutions requiring integration with legacy enterprise platforms, including J2EE-based application environments and enterprise application servers.
  • Implement secure application and API access using Spring Security, JWT, and LDAP-based authentication mechanisms.
  • Develop automated build, testing, and deployment workflows using Jenkins and CI/CD practices.
  • Collaborate on technical design, system integration, code reviews, performance improvements, troubleshooting, and Agile delivery.

Requirements

  • 7+ years of professional experience in Java development, with strong hands-on expertise in Java and Spring Boot.
  • Strong experience developing microservices and enterprise backend applications using Java.
  • Hands-on experience designing and integrating REST and SOAP web services.
  • Practical experience with event-driven or messaging-based systems, particularly MQTT, Kafka, or ActiveMQ.
  • Experience with J2EE technologies, including concepts such as Servlets, JSP, JDBC, EJB, or equivalent enterprise Java technologies.
  • Experience working with Cassandra or other NoSQL databases, together with relational database technologies such as Oracle, DB2, or MySQL.
  • Hands-on experience with Docker and Kubernetes for application deployment and runtime environments.
  • Experience with AWS services, preferably including AWS Lambda, S3, or EC2.
  • Experience implementing application security using Spring Security, JWT, and LDAP.
  • Experience with Jenkins and CI/CD automation.
  • Experience in enterprise application servers such as WebSphere, WebLogic, JBoss, or Tomcat.
  • Experience working in Agile/Scrum development environments.
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