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Senior Java Developer

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Onsite

Senior Java Developer

HI5 CONSULTING SOLUTIONS PTE LTD

Senior Java Developer

Skills

SQL QueriesJavaMicroservicesSpring BootKafka

1 month ago

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Important information


Contract type:

Freelance / Contract

Location:

Singapore

Work mode:

Onsite

Published on:

20 September 2026

What they need


Technical Skills:

  • Java (Core Java, Spring Boot, Microservices), Hibernate
  • SQL (query writing, optimization, performance tuning)
  • Kafka (understanding of messaging and transactions)
  • Exception handling and API security (authentication and authorization)

Job Requirements

  • 3–6 years of experience in Java development.
  • Good knowledge of Core Java and Spring Boot.
  • Experience in developing Microservices and REST APIs.
  • Knowledge of Hibernate/JPA.
  • Good SQL skills, including writing and optimizing queries.
  • Basic understanding of Kafka and messaging.
  • Good knowledge of exception handling and error management.
  • Understanding of API security, authentication, and authorization.
  • Knowledge of JWT/OAuth 2.0 is an added advantage.
  • Good problem-solving and debugging skills.
  • Good communication and teamwork skills.

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