Application Development and Maintenance Engineer (OutSystems)

EXCELTECH COMPUTERS PTE. LTD.; Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

EXCELTECH COMPUTERS PTE. LTD. is seeking an Application Development and Maintenance Engineer (OutSystems) to support delivery at our Paya Lebar location.

The role covers development, deployment, and ongoing maintenance of enterprise applications integrated with AWS, Sitefinity CMS, and identity/security services. You will collaborate with cross-functional teams, implement CI/CD pipelines, monitor performance with Dynatrace/Datadog, and ensure cloud-native practices complement legacy systems.

Qualifications

• Proficient in OutSystems platform development and maintenance.
• Experience with AWS services and managing cloud infrastructure.
• Familiarity with CI/CD tooling (GitLab or CodePipeline).
• Experience with cloud-native stacks (ReactJS, Kubernetes).
• Understanding of identity/security services (ADFS, SAML) and monitoring tools.

Skills

OPA/OIA

Sitefinity CMS

AWS services

OS: Amazon Linux/Windows

Identity & security

CI/CD pipelines

Security practices

Observability tools

Cloud-native stacks

Tools

Kubernetes

GitLab

CodePipeline

Dynatrace

Datadog

CloudWatch

Job description

Application Development and Maintenance Engineer (OutSystems)
Work location- Paya Lebar

• Oracle Policy Automation (OPA) / Oracle Intelligent Advisor (OIA)
• Sitefinity CMS
• AWS services, including S3, Lambda, EC2, ELB, CodeDeploy and KMS
• Amazon Linux 2023 and Windows Server 2016/2019
• ADFS, WOG AD, SAML, CAM, Trend Micro FAM and API Gateway
• CI/CD tooling such as GitLab or CodePipeline
• Infrastructure and container security practices
• Observability and monitoring tools (e.g. Dynatrace, Datadog, CloudWatch)
• Familiarity with modern cloud-native stacks (ReactJS, Golang, Kubernetes) as a complement to legacy