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Java Backend Developer

LYNEER CORP (SINGAPORE) PTE. LTD

Singapore, SGonsitePosted Jun 23, 2026
Posting intelligenceActively listedReposted 25×, possible evergreen/ghost posting

Skills

springoraclekafkareactjunitjavajavascript

About the role

Responsibilities

Develop and maintain applications using Core Java 8+ and JUnit to ensure robust and testable code

Implement messaging solutions using Java Messaging Concepts (JMS, MQ) and RTPM to support asynchronous communication

Design and optimize SQL queries and relational database structures including joins, indexes, and triggers to improve data retrieval performance

Build and consume Web Services using REST and SOAP protocols to enable system integrations

Apply Spring Boot and Spring core concepts to develop scalable and maintainable backend services

Use Maven for project build and dependency management to streamline development workflows

Execute basic Linux shell scripting commands to automate routine tasks and support deployment processes

Utilize development tools such as IntelliJ, Git, and SonarQube/SonarLint to enhance code quality and version control

Work with Kafka and Oracle databases to handle real-time data streaming and storage requirements

Preferred competencies and qualifications

Experience with JBOSS or other application servers to deploy and manage Java applications

Knowledge of Java Server Faces, JPA, and EJB to support enterprise-level Java development

Ability to write and understand complex SQL queries for advanced data manipulation

Familiarity with React JS for front-end development integration

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