Software Developer (Java)

AI-TALENT PERSONNEL SERVICES PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

AI-TALENT PERSONNEL SERVICES PTE. LTD. is seeking an experienced Java/J2EE developer in Singapore to design, implement, and maintain complex enterprise systems.

You will work across backend services, frontend integration, and security aspects, contributing to high-quality software and robust architectures. Candidates should have 6+ years in core Java technologies, APIs, and frontend frameworks, with strong testing, documentation, and collaboration skills.

Qualifications

• 6 years' post graduate experience with personal computers and MS OS such as Windows 11 or higher.
• 6 years' post graduate experience using MS Office tools and Outlook.
• Able to conduct unit, module, functional and volume testing; analyze results and take corrective action.
• Have 6 years’ experience in each programming skill listed (Core Java, JSP, Servlet, JavaBean, React/ReactJS, JDBC/JPA/SQL, RESTful WebServices).
• Have 6 years’ experience in coding with Frontend and Enterprise technologies (HTML5, XHTML, AJAX, JSON, JSF, EJB, DTO/DAO).
• Prefer hands-on experience with IDEs, Spring Boot, modern frontend frameworks, testing, and version control.
• Knowledge of architecture, security, and patterns (Portal/Portlet, JEE Security, XML, Web Services, UML) and secure coding.
• Strong problem solving, clean code, performance tuning, and thorough documentation.

Responsibilities

• Development: code new features and maintain existing systems.
• Testing and QA: prepare data, set up environments, perform thorough testing and debugging.
• Documentation and standards: maintain documentation, follow group standards and procedures.
• Project support: assist leaders in study and design, coordinate work, train end users.
• Professional development: learn new skills and train other programmers.
• Additional duties: troubleshoot production issues and support maintenance.

Skills

Core Java

JSP

Servlet

JavaBean

React

ReactJS

Session management

JDBC

JPA

SQL

RESTful Web Services

HTML 5

XHTML

AJAX

JSON

Java Server Faces

EJB

DTO/DAO

Spring Boot

Frontend frameworks

Testing (JUnit)

Version Control (Git)

IDE proficiency (IBM RAD9.0+, Eclipse)

Security best practices

Secure coding

Web Security/LDAP

JEE Security

N-Tier Architecture

XML

SOAP

JNDI

UML

XSS/SQL Injection prevention

Problem solving

Clean code

Performance debugging

Code review

Documentation

Tools

Eclipse

IBM RAD9.0+

Git

Bitbucket

Spring Boot

Angular

JUnit

SOAP Web Services

Job description

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 WebServices 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. Development
• Code new features and maintain existing systems
• Follow coding standards and conventions
• Implement secure coding practices
• 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. Documentation and Standards
• Maintain system and program documentation
• Follow group standards and procedures
• Establish file structures and processing logic
• 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. Professional Development
• Learn new programming skills as required
• Train other contract programmers
• Participate in disaster recovery exercises
• 6. Additional Duties
• Troubleshoot production issues
• Support system maintenance
• Execute other related tasks as assigned by the supervisors