Java Developer

HI5 ELITE PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

HI5 ELITE PTE. LTD. is seeking a Java Software Engineer in Singapore to design and implement scalable microservices and REST APIs.

The role emphasizes strong Core Java expertise, Spring Boot, Hibernate/JPA, and robust SQL skills for performance tuning. Familiarity with Kafka and API security is valued, along with solid problem-solving and teamwork abilities. The successful candidate will collaborate with cross-functional teams to deliver secure, reliable services and contribute to continuous

Qualifications

• 3-6 years of experience in Java development.
• Strong knowledge of Core Java and Spring Boot.
• Experience building microservices and REST APIs.
• Hibernate/JPA knowledge.
• Proficient SQL skills including query writing and optimization.
• Basic understanding of Kafka messaging.
• Familiar with exception handling and error management.
• Knowledge of API security, authentication, and authorization.
• Knowledge of JWT/OAuth 2.0 is a plus.
• Strong problem-solving and debugging abilities.
• Good communication and teamwork skills.

Skills

Java

Spring Boot

Microservices

REST APIs

Hibernate/JPA

SQL

Kafka

API Security

JWT/OAuth 2.0

Problem Solving

Communication

Job description

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.