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Java & Microservices Developer

Unison Group
Singapore, Sri Lanka Posted Oct 10, 2026
Full-time

About this role

Job Summary

We are looking for an experienced Java & Microservices Developer with strong expertise in Java, Spring Boot, and microservices architecture. The ideal candidate will be responsible for designing, developing, testing, and maintaining scalable, high-performance applications while collaborating with cross-functional teams to deliver robust software solutions.

Key Responsibilities

  • Design, develop, and maintain enterprise-level applications using Java and Spring Boot.

  • Build, deploy, and manage RESTful APIs and microservices-based applications.

  • Develop scalable, reliable, and high-performance backend services.

  • Implement application security, authentication, authorization, and data validation.

  • Work with databases, including SQL and NoSQL, for efficient data storage and retrieval.

  • Integrate microservices with messaging platforms such as Kafka or RabbitMQ.

  • Write clean, reusable, and maintainable code following industry best practices.

  • Perform unit testing, integration testing, debugging, and performance optimization.

  • Collaborate with architects, business analysts, QA teams, and DevOps engineers.

  • Participate in code reviews, technical discussions, and Agile/Scrum ceremonies.

  • Support application deployment, production troubleshooting, and continuous improvement.

  • Required Skills

  • Strong proficiency in Core Java, OOP concepts, Collections, Multithreading, and Exception Handling.

  • Hands-on experience with Spring Boot, Spring MVC, and Spring Framework.

  • Strong understanding of Microservices Architecture and distributed systems.

  • Experience in designing and developing RESTful APIs.

  • Knowledge of Hibernate/JPA and database technologies such as Oracle, MySQL, or PostgreSQL.

  • Experience with messaging technologies such as Kafka or RabbitMQ.

  • Familiarity with Git, Maven/Gradle, and CI/CD pipelines.

  • Experience with unit testing frameworks such as JUnit and Mockito.

  • Knowledge of Docker, Kubernetes, and cloud platforms (AWS/Azure/GCP) is an advantage.

  • Understanding of design patterns, SOLID principles, and application security.

  • Experience working in Agile development environments.

  • Preferred Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or a related field.

  • Experience with cloud-native application development.

  • Familiarity with monitoring and logging tools such as ELK, Grafana, or Prometheus.

  • Strong analytical, problem-solving, and communication skills.

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