Software Engineer (Java / C#) — AMK

Combuilder · IT Outsourcing & Dedicated Teams · IT Staffing & Staff Augmentation · JavaScript · Java · TypeScript · C# · 1 day ago

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Salary

$39k – $47k per year (gross)

Location

In office (Singapore)

Experience

1+ year exp

Employment

Full-Time

First seen by Alion on Nov 10, 2026.

Overview

Company

Impact

Profile match

Combuilder

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.

combuilder.com.sg · HQ: Singapore · IT Outsourcing & Dedicated Teams · IT Staffing & Staff Augmentation · 1-10 employees · Est. 1999

Responsibilities

Develop, enhance, and maintain backend applications using Java (Spring Boot) and/or C# (.NET Core / ASP.NET Core).
Design and develop RESTful APIs, microservices, and system integrations.
Work with relational databases such as PostgreSQL and MSSQL.
Support production applications, including monitoring, troubleshooting, incident resolution, and system enhancements.
Collaborate with cross-functional teams to deliver scalable and reliable software solutions.
Utilise AI coding tools to support development, testing, and documentation while maintaining code quality and security.
Participate in application upgrades, system improvements, and ongoing maintenance.

Requirements

Degree in Computer Science, Information Technology, or a related discipline.
1–5 years of experience in backend development using Java (Spring Boot) and/or C# (.NET Core / ASP.NET Core).
Good understanding of microservices architecture, RESTful APIs, and system integration.
Experience with PostgreSQL, MSSQL, or other relational databases.
Familiarity with AI-assisted development tools.
Strong problem-solving, communication, and teamwork skills.

Good to Have

Experience with Vue.js, React.js, JavaScript, or TypeScript.
Familiarity with Docker, Kubernetes, CI/CD, or DevOps practices.
Experience with Elasticsearch.
Exposure to legacy application upgrades or migration projects.
Experience developing AI-powered applications or integrating LLMs and AI agents.

Skills

Ai, RESTful API, Kubernetes, .NET, PostgreSQL, DevOps, Spring Boot, CI/CD, Docker, Java, C#, Backend Development

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