Java Developer | Permanent

ZENITH INFOTECH (S) PTE LTD.; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A consultancy firm in Singapore is seeking a skilled Java Software Engineer to design and optimize high-performance applications. The ideal candidate will have expertise in multithreading and concurrent programming, with at least 1 year of Java development experience. This role offers a salary of $5500 - $6500 per month and requires working onsite in the West area.

Qualifications

• 1 year of hands-on experience in Java software development.
• Experience with RESTful APIs and Microservices is a plus.
• Familiarity with CI/CD pipelines.

Responsibilities

• Design, implement, and maintain robust Java-based applications.
• Develop and optimize concurrent algorithms and threading models.
• Collaborate with cross-functional teams to deliver high-quality software.
• Debug and resolve performance bottlenecks.
• Write unit and integration tests.

Skills

Java multithreading

Concurrent programming

Agile methodologies

Problem-solving

Communication skills

Education

Bachelor’s degree in Computer Science

Tools

JSF

Hibernate

Spring Boot

JUnit

Maven

Git

Job description

Zenith Infotech is a Consultancy firm here in Singapore for 27 years now. Working with Government sectors and private sectors who are in need of IT solutions.

EA 20S0237

Employment Details

Employment type: Permanent

Location: West area

Working Hours: 8:30AM to 6:00PM (Mon-Fri)

Salary: $ 5500 - 6500 per month with bonuses

Working Arrangement: Full Onsite

Job Summary

We are seeking a skilled and detail-oriented Java Software Engineer with strong expertise in multithreading and concurrent programming. You will be responsible for designing, developing, and optimizing high-performance applications that require intensive multithreaded processing. This role is critical in building scalable, low-latency systems for mission-critical applications.

Key Responsibilities

• Design, implement, and maintain robust Java-based applications with a focus on multithreaded architecture.
• Develop and optimize concurrent algorithms and threading models to improve performance and scalability.
• Collaborate with cross-functional teams including QA, DevOps, and Product Management to deliver high-quality software.
• Debug and resolve performance bottlenecks and concurrency issues.
• Write unit and integration tests to ensure code reliability.
• Participate in code reviews and technical design discussions.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• 1 year of hands-on experience in Java software development.
• Experience with JSF, Hibernate, Spring Boot or similar Java frameworks.
• Strong proficiency in Java multithreading, concurrency models (synchronized, locks, executors, etc.), and thread-safe design.
• Experience with RESTful APIs, Microservices, or distributed systems is a plus.
• Familiarity with tools such such as JUnit, Maven/Gradle, Git, and CI/CD pipelines.
• Excellent problem-solving and communication skills.