Backend Engineer

Position:
Backend Engineer - Oracle (Mid Level)

Company:
Oracle

Location:
India, Bengaluru, Karnataka

Employment type:
Full time

Work Arrangement:
On-site

Short Summary:
Oracle is seeking a motivated Backend Engineer (Mid Level) to join its product-modernisation team. The engineer will build the core middleware layer connecting Microsoft 365 environments with enterprise intelligence platforms, focusing on executing the Graph API Sync Layer and developing Admin Backend configuration services.

Responsibilities:
- Develop a timer-triggered, server-side backend service for bidirectional synchronisation between Siebel CRM and Microsoft Outlook Tasks.- Implement tenant-level detection for managing connectivity across legacy and modern Microsoft APIs.- Configure and maintain Microsoft Graph subscription models and webhooks for real-time message processing.- Deliver the administrative configuration dashboard supporting user sync lists and conflict-resolution policies.- Support the Agentic AI Orchestrator by exposing data definitions as dynamic tools.- Manage delegated token flows and establish offline retry queues for data changes.

Requirement:
- Solid backend software-engineering experience using Node.js and TypeScript.- Deep hands-on proficiency with the Microsoft Graph API framework.- Strong familiarity with Microsoft Entra ID, OAuth 2.0, and token lifecycle management.- Understanding of asynchronous processing and complex data-conflict synchronisation.

Preferred Skills:
- Familiarity with enterprise API-integration patterns for LLM execution layers.- Familiarity with prompt-context assembly and structural API Gateway management.