Role : Backend Lead Siebel Integration Specialist (Node.js & Microsoft Graph)

Location: Bangalore

Experience: 7+ Years

Key Responsibilities:

- Lead backend development and integration initiatives using Node.js and TypeScript.

- Design, develop, and maintain integrations between Siebel CRM, Microsoft 365, and external systems.

- Build scalable REST API and event-driven integration solutions.

- Develop and support Outlook Add-ins and Microsoft 365 integrations.

- Implement secure authentication and authorization using OAuth 2.0 and Microsoft Entra ID.

- Design configurable write-back frameworks and synchronization services between Siebel and Microsoft Graph APIs.

Required Skills:

- Strong hands-on experience with Node.js and TypeScript.

- Expertise in Siebel REST APIs and Siebel data model.

- Good understanding of Siebel Business Objects: Contacts, Activities, Opportunities, and Service Requests.

- Experience with API integration patterns (REST APIs, webhooks, event-driven architecture).

- Hands-on experience with Microsoft Graph API (Mail, Calendar, People).

- Experience with Microsoft Graph Tasks API, including task creation, updates, completion, webhook subscriptions, and extended property storage.

- Experience with Siebel Business Component REST APIs for create, update, delete operations, and error handling/mapping.

- Strong understanding of OAuth 2.0, token flows, and Microsoft Entra ID.

Preferred:

- Experience in enterprise CRM integrations and workflow automation.

- Strong problem-solving, design, and technical leadership skills.