Full Stack Engineer – Senior

ADVANCED E-SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

ADVANCED E-SOLUTIONS PTE. LTD. seeks a Senior Full Stack Engineer to design, develop, configure, integrate, and deploy AI-powered business solutions supporting the Fusion One initiative.

You will work across Oracle and Microsoft clouds to build and maintain AI Agents, enterprise integrations, and digital apps. You will collaborate with project managers, analysts, architects, and vendors to deliver scalable, secure solutions.

Qualifications

• Strong hands-on experience with Oracle APEX application development.
• Experience with Oracle Fusion Applications configuration and customization.
• Experience with Oracle Integration Cloud (OIC) integrations and process automation.
• Experience with Oracle Autonomous Transaction Processing (ATP) and Oracle database technologies.
• Experience working with Oracle Cloud Infrastructure (OCI) services, networking, IAM, and monitoring.
• Experience with Oracle AI Agent Studio, Digital Assistant, or Oracle AI/Generative AI services.
• Experience administering and configuring Microsoft Azure Portal.
• Knowledge of Azure services such as: Azure App Services, Functions, Storage, Key Vault, Entra ID, API Management.
• Strong proficiency in SQL, PL/SQL, REST APIs, and web services.
• Experience in JavaScript, HTML, CSS, and modern web development frameworks.
• Experience with API integration, OAuth, SSO, OpenID Connect (OIDC), and identity management.
• Familiarity with CI/CD pipelines and Git/Azure DevOps.
• Experience in designing scalable and secure enterprise applications.

Responsibilities

• Develop and maintain enterprise applications using Oracle technologies such as Oracle APEX, Oracle Fusion Applications, Oracle Integration Cloud (OIC), and Oracle ATP.
• Design, configure, and deploy AI Agents using Oracle AI Agent Studio and related Oracle AI services.
• Implement integrations between Oracle Fusion, OCI, Azure, and third-party apps.
• Perform cloud configuration, deployment, troubleshooting, and administration within OCI and Azure environments.
• Develop APIs, workflows, and automation solutions to support business processes and AI capabilities.
• Configure authentication, authorization, and security controls across Oracle and Microsoft platforms.
• Support Dev, UAT, and Production environment setup, configuration, and release activities.
• Troubleshoot, perform root-cause analysis, and provide production support for deployed solutions.
• Collaborate with stakeholders to translate technical requirements into scalable solutions.
• Ensure adherence to enterprise architecture, security, governance, and compliance standards.

Skills

Oracle APEX

Oracle Fusion Apps

OCI

ATP

SQL

REST APIs

OAuth

Azure

CI/CD

JavaScript

HTML/CSS

Security

Tools

Git

Azure DevOps

Oracle AI Agent Studio

Oracle Cloud Infrastructure

Job description

Job descriptions: The Senior Full Stack Engineer will be responsible for the design, development, configuration, integration, and deployment of AI-powered business solutions supporting the Fusion One initiative. The role involves working across Oracle and Microsoft cloud platforms to build, configure, and maintain AI Agents, enterprise integrations, and digital applications. The engineer will collaborate close lywith project managers, business analysts, architects, and vendors to deliver scalable and secure solutions.

Key Responsibilities:

Develop and maintain enterprise applications using Oracle technologies such as Oracle APEX, Oracle Fusion Applications, Oracle Integration Cloud (OIC), and Oracle Autonomous Transaction Processing (ATP). Design, configure, and deploy AI Agents using Oracle AI Agent Studio and related Oracle AI services. Implement integrations between Oracle Fusion, Oracle Cloud Infrastructure (OCI), Microsoft Azure services, and third-party applications. Perform cloud configuration, deployment, troubleshooting, and administration within OCI and Microsoft Azure environments. Develop APIs, workflows, and automation solutions to support business processes and AI-driven capabilities. Configure authentication, authorization, and security controls across Oracle and Microsoft platforms. Support Dev, UAT, and Production environment setup, configuration, and release activities. Perform technical troubleshooting, root cause analysis, and production support for deployed solutions. Work closely with stakeholders to gather technical requirements and translate them into scalable solutions. Ensure adherence to enterprise architecture, security, governance, and compliance standards.

Mandatory skillsets:

Core Oracle Technologies

Strong hands-on experience with Oracle APEX application development. Experience with Oracle Fusion Applications configuration and customization. Experience with Oracle Integration Cloud (OIC) integrations and process automation. Experience with Oracle Autonomous Transaction Processing (ATP) and Oracle database technologies. Experience working with Oracle Cloud Infrastructure (OCI) services, networking, IAM, and monitoring. Experience with Oracle AI Agent Studio, Digital Assistant, or Oracle AI/Generative AI services.

Microsoft Technologies

Experience administering and configuring Microsoft Azure Portal. Knowledge of Azure services such as: Azure App Services Azure Functions Azure Storage Azure Key Vault Azure Active Directory (Entra ID) Azure API Management

Development & Integration

Strong proficiency in SQL, PL/SQL, REST APIs, and web services. Experience in Java Script, HTML, CSS, and modern web development frameworks. Experience with API integration, OAuth, SSO, OpenID Connect (OIDC), and identity management. Familiarity with CI/CD pipelines and source control tools such as Git and Azure DevOps. Experience in designing scalable and secure enterprise applications.

Preferred Skills

Experience with Generative AI, LLM integrations, Copilot, Agentic AI, or AI orchestration platforms. Experience implementing enterprise chatbot or AI assistant solutions. Knowledge of Microsoft Teams App development and integration. Oracle Cloud or Microsoft Azure certifications. Experience in Financial Services, Insurance, or Enterprise HR/Finance systems.