Software Developer (Java)

MARQUESS SERVICES PTE. LTD.; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

MARQUESS SERVICES PTE. LTD. in Singapore is seeking an experienced Java Developer to design, implement, and maintain enterprise applications.

The role requires strong backend Java, front-end skills with React, and hands-on experience across full stack components. You will conduct unit and integration testing, participate in code reviews, and follow secure coding practices while collaborating with project teams.

Qualifications

• Six years' post graduate experience in software development.
• Experience with Windows/macOS development environments helpful.
• Proven ability to develop, test, and deploy enterprise Java applications.

Responsibilities

• Develop new features and maintain existing systems.
• Follow coding standards and secure coding practices.
• Assist testing and QA activities and provide documentation.

Skills

Core Java

JSP

Servlet

Java Bean

React

ReactJS

Session management

JDBC

JPA

SQL

RESTful Web Services

HTML 5

XHTML

AJAX

JSON

Java Server Faces

EJB

Spring Boot

Angular

JUnit

Git

Tools

IBM RAD9.0+

Eclipse

Spring Boot

Git

Bitbucket

SOAP

LDAP

Job description

Job Description & Requirements

REQUIREMENTS:

• -6 years' post graduate experience working with Personal computers or compatibles;
• -6 years' post graduate experience using MS OS such as Windows 11 or higher and Microsoft Outlook;

Able to conduct unit, module, functional and volume testing; to analyze test results and to take corrective action.

a. Have 6 years’ experience, in each of the programming skills:

• Core Java Technologies
• - JSP
• - Servlet
• - Java Bean
• - React, ReactJS
• - Session management
• - JDBC, JPA,SQL
• - RESTful Web Services and APIs

b. Have 6 years’ experience, in coding programs using each of the skills:

• Frontend and Enterprise Technologies
• - HTML 5
• - XHTML
• - AJAX
• - JSON
• - Java Server Faces
• - Enterprise JavaBeans (EJB)
• Session
• Entity & Message
• Service Locator
• Business Delegate
• Data Transfer Object (DTO)
• Data Access Object (DAO)

c. Preferably have hands on experience on the following:

• Development Tools and Frameworks
• IDE proficiency (IBM RAD9.0+, Eclipse, or equivalent)
• Spring Boot
• Modern Frontend Frameworks (React, Angular)
• Testing (JUnit, Testing Frameworks)
• Version Control (e.g. Git, BitBucket)
• Architecture and Security
• Portal and Portlet Development
• n-Tier Architecture
• Java Web Security/LDAP
• JEE Security
• JEE Transaction
• XML
• Web Services (SOAP)
• JNDI
• UML Diagrams
• Secure Coding Practices
• Prevention of XSS, SQL Injection, Command Injection
• Race Condition Handling
• Proper Error/Exception Management
• Core Competencies
• Problem-solving and analytical thinking
• Clean code practices and design patterns
• Performance optimization and debugging
• Security best practices
• Code review expertise
• Documentation skills

RESPONSIBILITIES:

The Programmers shall be required to do the following:

1. 1. Development

   • - Code new features and maintain existing systems
   • - Follow coding standards and conventions
   • - Implement secure coding practices

2. 2. Testing and Quality Assurance

   • - Prepare test data and documentation
   • - Set up testing and production environments
   • - Perform thorough testing (e.g. unit, modular and functional, etc) and debugging
   • - Conduct thorough testing with interfacing systems and stakeholders

3. 3. Documentation and Standards

   • - Maintain system and program documentation
   • - Follow group standards and procedures
   • - Establish file structures and processing logic

4. 4. Project Support

   • - Assist Project Leaders, and/or delegated officers, in the study and design of application systems and work coordination; support project management activities; and Provide end-user training and support

5. 5. Professional Development

   • - Learn new programming skills as required
   • - Train other contract programmers
   • - Participate in disaster recovery exercises

6. 6. Additional Duties

   • - Troubleshoot production issues
   • - Support system maintenance
   • - Execute other related tasks as assigned by the supervisors