First seen by Alion on Nov 3, 2026.
Job Description: Senior OutSystems Developer
We are seeking a hands-on Senior OutSystems Developer to build, support, and enhance enterprise-scale applications. The ideal candidate has delivered production systems in a Singapore Government environment and is comfortable working across application development and supporting technologies.
Key Responsibilities
- Design, develop, test, and maintain applications using the OutSystems platform.
- Contribute to the delivery of enterprise-grade production systems, including requirements analysis, solution design, development, deployment, and documentation.
- Support applications after go-live by investigating incidents, resolving defects, and implementing enhancements.
- Work with Oracle Database to develop, query, and support application data solutions.
- Collaborate with teams across application development and related technology areas, such as database, infrastructure, integration, security, and identity.
- Follow established enterprise development, security, quality, and operational practices.
Requirements
- At least 5–7 years of hands-on application development experience using OutSystems.
- Experience delivering at least one Singapore Government project involving an OutSystems-based production system, with a total project or contract value of at least S$5 million.
- Experience supporting at least one production application after go-live, including incident investigation, defect resolution, or application enhancement.
- Hands-on experience with Oracle Database in an application-development or production-support environment.
- Experience in an enterprise technology environment involving application development and at least one supporting area, such as database, infrastructure, integration, security, or identity.
Preferred Attributes
- Strong problem-solving and troubleshooting skills.
- Clear communication and effective collaboration with technical and business stakeholders.
- Ability to work independently while contributing to a cross-functional team.
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Confidentiality is assured, and only shortlisted candidates will be notified for interviews.
Skills
Production Technical Services, Operational Procedures, Design, Development, Quality Management, Outsystems, Incident Investigation, Requirements Analysis, Enterprise Applications, Oracle database, Oracle Development, collaborate with external team, Go-live support, Infrastructure Management, Deployment, Post Go-live

