UNISON Group
Java Microservices Developer
Skills
6 months ago
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Important information
Contract type:
Freelance / Contract, Temporary
Location:
Singapore
Work mode:
Onsite
Published on:
13 October 2026
What they need
Job Summary
We are looking for a skilled Java Microservices Developer with strong expertise in cloud-native development, integration, and messaging systems. The ideal candidate should have hands-on experience in building scalable applications using microservices architecture on Amazon Web Services and working with middleware and messaging platforms.
Key Responsibilities
- Design, develop, and deploy scalable Java-based microservices.
- Build cloud-native applications using Amazon Web Services (AWS).
- Develop RESTful APIs and ensure high performance and responsiveness.
- Work on system integration across multiple platforms and services.
- Implement messaging solutions using Amazon MQ and IBM MQ.
- Utilize middleware technologies such as Apache Kafka or other Apache/Amazon-based tools.
- Collaborate with cross-functional teams including DevOps, QA, and business stakeholders.
- Participate in code reviews, troubleshooting, and performance tuning.
Required Skills
- Strong experience in Java (Core Java, Spring Boot, Spring Cloud).
- Solid understanding of Microservices Architecture.
- Hands-on experience with AWS services (EC2, S3, Lambda, API Gateway, RDS).
- Strong knowledge of SQL (MySQL, PostgreSQL, or similar databases).
- Experience with middleware technologies (Apache / Amazon-based platforms).
- Expertise in messaging systems:
- Amazon MQ
- IBM MQ
- Experience in API integration and system integration patterns.
- Familiarity with Docker, Kubernetes, and CI/CD pipelines.
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