Senior Full-Stack Java/React Engineer

A-IT INVESTMENT PTE. LTD.; Singapore; On-site; SGD 90,000 - 170,000; Full time

Job summary

A-IT INVESTMENT PTE. LTD. is seeking an experienced Java developer in Singapore to design, implement and maintain enterprise web applications.

The role requires deep expertise in Core Java, JSP/Servlets, React, and EJB-based patterns, with strong testing and secure coding practices. The candidate should be proficient in frontend and enterprise technologies, including HTML5/XHTML, AJAX, JSON, and modern frameworks, and be capable of contributing to architecture and security discussions while

Qualifications

• Six years’ postgraduate experience with personal computers, MS OS (Windows 11 or higher) and Outlook.
• Six years’ experience in Core Java technologies, JSP, Servlet, JavaBean, React and related web tech.
• Hands-on experience with frontend/enterprise tech including HTML5, XHTML, AJAX, JSON, JSF and EJB patterns.
• Preferably hands-on in IDEs (RAD/Eclipse), Spring Boot, modern frontend frameworks, testing and version control.

Responsibilities

• Develop code features and maintain existing systems following standards.
• Perform unit, modular and functional testing; help analyze results and fix defects.
• Create and maintain system documentation and support project coordination.
• Assist in disaster recovery exercises and knowledge transfer.

Skills

Core Java

JSP

Servlet

Java Bean

React

Session management

JDBC

JPA

SQL

RESTful WebServices

Frontend & Enterprise Tech

HTML5

XHTML

AJAX

JSON

JavaServerFaces

EJB (Session)

EJB (Entity/Message)

EJB (Service Locator)

EJB (Business Delegate)

DTO

DAO

IDE proficiency

Spring Boot

React/Angular

JUnit

Git/Bitbucket

Tools

IBM RAD9.0+

Eclipse

Spring Boot

React

Angular

JUnit

Git

Bitbucket

Job description

A-IT INVESTMENT PTE. LTD. is seeking an experienced Java developer in Singapore to design, implement and maintain enterprise web applications.

The role requires deep expertise in Core Java, JSP/Servlets, React, and EJB-based patterns, with strong testing and secure coding practices. The candidate should be proficient in frontend and enterprise technologies, including HTML5/XHTML, AJAX, JSON, and modern frameworks, and be capable of contributing to architecture and security discussions while