Java + Kafka Developer (Contract)

3 CUBED BUSINESS CONSULTING PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

3 Cubed Business Consulting PTE. LTD. is seeking a Software Engineer to design, develop, and deliver robust Java-based solutions for Wealth Management systems.

You will translate business requirements into scalable technical solutions, resolve complex legacy issues, and collaborate in Agile teams to ensure stable production environments. Responsibilities include communicating complex issues clearly, building scalable Java applications with Java 8+, EJB, Spring Boot, and related technologies, and

Qualifications

• Proficient in Core Java 8+ and related tech stack.
• Strong fundamentals in algorithms, data structures, and OO design.
• Experience with TDD and CI practices.
• Knowledge of JMS concepts and message-oriented middleware.
• Relational DB concepts, SQL, joins, indexes, and optimization.

Responsibilities

• Design, develop, and deliver Java-based solutions for Wealth Management systems.
• Translate business requirements into scalable technical solutions.
• Collaborate in Agile teams to ensure stable production environments.
• Investigate legacy defects and production issues to improve stability.
• Enforce code quality, security, and performance standards.

Skills

Java

JUnit

Spring Boot

Kafka

Maven

Linux shell scripting

SQL

REST

SOAP

JMS

JBoss

React JS

Tools

Core Java 8+

Java 8+

EJB

MySQL

Oracle

IBM MQ

Kafka

Maven

JUnit

Spring Boot

SQL

REST

SOAP

JMS

IntelliJ

Git

SonarQube

SonarLint

Job description

Company Overview

3 Cubed Business Consulting is headquartered in Singapore, providing IT consulting, solutions, and services across Asia Pacific. Since 2015, it delivers end-to-end IT solutions tailored to diverse client needs, driven by passion and commitment to customer purpose.

Job Summary

This Software Engineer role involves designing, developing, and delivering robust Java-based solutions for Wealth Management systems. You will translate business requirements into scalable technical solutions, resolve complex legacy issues, and collaborate in Agile teams to ensure stable production environments.

Responsibilities

• Communicate complex technical issues clearly to non-technical stakeholders to facilitate understanding and decision‑making
• Develop and deliver scalable, stable Java applications using Java 8+, EJB, Spring Boot, MySQL, Oracle, IBM MQ, Kafka, and related technologies
• Analyze business and system requirements and translate them into efficient, fit‑for‑purpose technical solutions
• Investigate and resolve complex legacy defects and production issues to maintain system stability and performance
• Ensure adherence to organizational standards including code quality, security, and performance best practices
• Collaborate effectively within Agile teams, applying Scrum or Extreme Programming methodologies to meet project goals
• Apply Test‑Driven Development (TDD) and Continuous Integration (CI) practices to improve code quality and delivery speed
• Analyze project requirements, estimate effort, plan timelines, and manage progress to meet key milestones
• Build strong project teams and maintain robust communication with stakeholders to ensure alignment and support throughout project lifecycles
• Drive and review technical and architectural designs, enforce architectural guidelines, and challenge existing approaches to improve solutions
• Demonstrate integrity, due care, diligence, and compliance with applicable laws and regulations while managing risks and issues proactively

Required competencies and certifications

• Proficient in Core Java 8+, JUnit, Spring Boot, Kafka, and Maven for software development
• Strong understanding of computer science fundamentals including algorithms, data structures, and object‑oriented design
• Skilled in writing acceptance tests and applying Test‑Driven Development (TDD)
• Experience with Linux shell scripting commands for automation and troubleshooting
• Knowledge of Java Messaging Service (JMS) concepts and message‑oriented middleware (MO)
• Proficient in relational database concepts, SQL, joins, indexes, triggers, and SQL query optimization
• Experience with Web Services including REST and SOAP
• Familiar with Spring core concepts and frameworks
• Competent using development tools such as IntelliJ, Git, SonarQube, and SonarLint

Preferred competencies and qualifications

• Experience with JBOSS or other application servers
• Knowledge of Java Server Faces (JSF), Java Persistence API (JPA), and Enterprise JavaBeans (EJB)
• Ability to write and understand complex SQL queries
• Familiarity with React JS for front‑end development
• Experience or interest in finance/banking domain