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Salary
$70k – $80k per year (gross)
Location
In office (Singapore)
Seniority
Senior · 12+ years exp
Employment
Contractor

First seen by Alion on Nov 5, 2026.

Overview
Company
Impact
Profile match
Combuilder is a Singapore company providing IT manpower outsourcing, HR solutions and IT facility management, supplying contract engineers and support staff to organisations that need technical teams without hiring them directly. Its business units cover IT solutions staffing and facility maintenance, and its vacancies are advertised on the government MyCareersFuture portal for assignments at client sites around Ang Mo Kio, Jurong East and the east and west of the island. Openings include software engineers in Go, Python, C++ and C#, data scientists, test and security engineers, system and network engineers, project managers and technical support officers.

Responsibilities:

  • Design, develop, and maintain enterprise-grade software applications and solutions using Java, Spring Boot, and Hibernate ORM, ensuring scalability and maintainability.
  • Build and enhance backend solutions using Microservices Architecture and Distributed Systems to support high-volume transaction processing.
  • Develop and integrate REST APIs to enable secure and efficient communication across enterprise applications.
  • Implement Event-Driven Architecture and asynchronous processing mechanisms to improve system responsiveness and reliability.
  • Design, deploy, and maintain cloud-native applications using AWS Cloud services, ensuring high availability and operational efficiency.
  • Manage database operations using SQL and Oracle, including data modelling, query tuning, and performance optimization.
  • Implement messaging and integration solutions using Apache Kafka for reliable data exchange and event processing.
  • Develop and maintain frontend components using Angular, JavaScript, and AJAX to enhance application functionality.
  • Contribute to Agile/Scrum delivery through technical design, code reviews, debugging, and collaboration with cross-functional development teams.

Requirements:

  • Bachelor’s degree in Computer Science, Information Technology, or any Engineering related field.
  • 12+ years of experience in Java applicatios development, enterprise application engineering, and software development.
  • Strong experience in Java, Python, C/C++, Spring Boot, and Hibernate ORM.
  • Hands-on experience in designing and developing Microservices Architecture and Distributed Systems.
  • Strong experience in REST API development and integration.
  • Hands-on experience in Event-Driven Architecture and asynchronous processing.
  • Strong experience in AWS cloud services and cloud-native application development.
  • Strong experience in SQL, Oracle, database design, and performance optimization.
  • Hands-on experience in Apache Kafka, along with Angular, JavaScript, and AJAX.
  • Experience in Agile/Scrum methodologies, technical design, code reviews, and collaborative software development.

Skills

Computer Engineering, Data Modelling, Java 8, Java Enterprise Edition, High Availability, REST APIs development, JavaScript, Data Exchange, Computer Science, Microservices Design, Core Java, Python, Event-Driven Architecture (EDA), Oracle Database Administration, Oracle database, Java Based Solutions, Backend Development, AJAX Frameworks, Cloud Native Development

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