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Salary
$70k – $103k per year (gross)
Location
In office (Singapore)
Seniority
Senior · 5+ years exp
Employment
Full-Time

First seen by Alion on Oct 12, 2026.

Overview
Company
Impact
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Your technology partner in digital transformation software development SAP projects Oracle Solutions. Quality | Integrity | Value.

Job Summary:

Role: Fullstack Java Engineer
Start: ASAP
Duration: 12 Months
Location: Singapore

We are looking for a Full Stack Java Developer to design, develop, and maintain enterprise web applications using modern backend and frontend technologies. The ideal candidate will have strong experience in Java, Spring Boot, REST APIs, SQL, and front-end development, with the ability to build scalable, secure, and high-performing applications across the full software development lifecycle.

Requirements:
- Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related discipline.
- Minimum 5+ years of experience in full-stack application development.
- Strong hands-on experience with Java.
- Experience with Spring Framework / Spring Boot.
- Experience developing RESTful APIs and Microservices.
- Strong experience with HTML5, CSS3, and JavaScript.
- Hands-on experience with ReactJS or VueJS
- Working knowledge of Python for application development, automation, scripting, or integrations.
- Experience with source control tools such as Git.

Roles and Responsibilities:
- Design, develop, and maintain full-stack applications using Java and modern web technologies.
- Develop scalable backend services using Java, Spring Boot, RESTful APIs, and Microservices.
- Build responsive and user-friendly web interfaces using HTML5, CSS3, JavaScript, and modern frontend frameworks.
- Integrate frontend applications with backend APIs and enterprise systems.
- Develop and maintain database-driven applications using SQL and Oracle.
- Write clean, reusable, testable, and well-documented code.
- Troubleshoot, debug, and resolve application defects and production issues.
- Participate in code reviews, technical discussions, and solution design activities.
- Develop and execute unit and integration tests to ensure application quality.
- Collaborate with Business Analysts, Architects, QA teams, and other development teams.
- Proactively communicate project status, risks, issues, and dependencies to stakeholders.

Please send your application highlighting:
- Your relevant experience
- Current/expected salary
- Availability information
- A latest MS-WORD Resume

**We regret that only short-listed applicants will be contacted.**

GECO Asia values the data privacy rights of our customers, associates, partners and prospective applicants. We have a privacy policy that governs our collection and use of personal data in place. In conjunction with the PDPA act in Singapore, we have updated our Privacy Policy and Terms of Use to better clarify our collection and use of your personal information. The same can be found here (https://www.geco.asia/about/privacy-policy)

Note: GECO Asia is an Information Technology Consulting Services provider. We provide specialist IT and Digital Transformation specialist resources on a project (SOW) and/or permanent basis. We operate under a Comprehensive License offered by Ministry of Manpower, Singapore.

[GECO Asia Pte Ltd, License No. 07C4453]
[2 Venture Drive, #10-18 Vision Exchange, Singapore 608526]

Skills

React Javascript, Computer Engineering, Full Stack Development, Vue.js, Java Web Services, Backend Integrations, Spring Boot, Python, Java Based Solutions, Java

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