Java Developer

ANTAS PTE. LTD.; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

ANTAS PTE. LTD. is seeking a seasoned Java backend developer to design, develop, test, and maintain enterprise web applications and microservices. You will build RESTful APIs and SOAP services, implementing components with Spring and Spring Boot, and collaborate across the SDLC to deliver secure, scalable software.

You will participate in code reviews, testing, and performance optimization while maintaining thorough documentation and deployment procedures.

Qualifications

• Strong hands-on experience in Java, Core Java, OOP, Collections Framework, and exception handling.
• Experience developing microservices, RESTful APIs, SOAP web services, and backend application components.
• Practical knowledge of Spring Framework, Spring Boot, API integration, and JSON/XML data formats.
• Understanding of secure coding practices, application scalability, performance optimization, and error handling.
• Experience with unit testing, integration testing, debugging, and version control tools such as Git.
• Familiarity with Agile/Scrum methodologies, SDLC processes, code reviews, and software deployment practices.
• Strong analytical, troubleshooting, communication, and teamwork skills.

Responsibilities

• Design, develop, test, and maintain enterprise web applications using Java, OOP, and frameworks.
• Develop RESTful APIs, SOAP web services, and microservices for integration and backend logic.
• Implement components using Java, Spring Framework, and Spring Boot for robust code.
• Collaborate with engineers, analysts, and architects across the SDLC to align solutions.
• Participate in pair programming, peer code reviews, and unit testing for quality.
• Perform debugging, defect resolution, integration testing, and performance optimization.
• Deploy releases to development, testing, and production, with post-deployment support.
• Apply secure coding practices and scalable design to enhance security and performance.
• Maintain documentation, source code, and deployment procedures for compliance.

Skills

Java

Core Java

OOP

Collections Framework

Exception handling

RESTful APIs

SOAP web services

Microservices

Spring Framework

Spring Boot

API integration

JSON

XML

Secure coding practices

Performance optimization

Unit testing

Integration testing

Debugging

Agile/Scrum

SDLC processes

Code reviews

Deployment practices

Analytical thinking

Communication

Teamwork

Education

Bachelor's degree in Computer Science / Information Technology / Software Engineering

Tools

Git

Job description

Job Summary

Design, develop, test, and maintain enterprise Java web applications and backend services. Collaborate across teams to deliver secure, scalable, and high-quality software solutions throughout the software development life cycle.

Responsibilities

• Design, develop, test, and maintain enterprise web applications using Java, object-oriented programming (OOP), and Java-based frameworks to meet business requirements.
• Develop RESTful APIs, SOAP web services, and microservices to enable application integration and support backend business logic.
• Implement application components using Java, Spring Framework, and Spring Boot to ensure robust and maintainable code.
• Collaborate with software engineers, business analysts, and solution architects throughout the software development life cycle (SDLC) to align technical solutions with business needs.
• Participate in pair programming, peer code reviews, design reviews, and unit testing to ensure code quality and maintainability.
• Perform application debugging, defect resolution, integration testing, and performance optimization to deliver reliable software.
• Deploy application releases to development, testing, and production environments, providing post-deployment support to ensure smooth operations.
• Apply secure coding practices, exception handling, logging, and scalable application design principles to enhance software security and performance.
• Maintain technical documentation, source code, and deployment procedures in accordance with software engineering standards to support knowledge sharing and compliance.

Required competencies and certifications

• Strong hands-on experience in Java, Core Java, OOP, Collections Framework, and exception handling.
• Experience developing microservices, RESTful APIs, SOAP web services, and backend application components.
• Practical knowledge of Spring Framework, Spring Boot, API integration, and JSON/XML data formats.
• Understanding of secure coding practices, application scalability, performance optimization, and error handling.
• Experience with unit testing, integration testing, debugging, and version control tools such as Git.
• Familiarity with Agile/Scrum methodologies, SDLC processes, code reviews, and software deployment practices.
• Strong analytical, troubleshooting, communication, and teamwork skills.

Preferred competencies and qualifications

• Minimum Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related discipline.
• Minimum 6years of relevant experience in Java application development.