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Our client is implementing HubSpot for the first time and is seeking a HubSpot Engineering Expert/SME to support the initial stand‑up, integration design, and validation efforts. This role is critical due to client's operating on a custom-built ERP platform with a SQL Server / C# backend, requiring custom HubSpot integrations that go beyond out‑of‑the‑box capabilities. The internal development team will handle the core programming work. This consultant will provide HubSpot technical leadership, owning integration design, data modeling guidance, and testing strategy, with a strong understanding of HubSpot’s backend data schema and APIs.
Job Responsibility:
Serve as the HubSpot technical SME for initial implementation and ongoing support
Lead the design and validation of integrations between HubSpot and a custom ERP system
Advise on HubSpot data architecture, including: Object modeling
Property strategy
Required field mapping
Data sync rules and dependencies
Partner with internal engineers integrating HubSpot with: Custom REST APIs
SQL Server database
C# backend services
Ensure HubSpot data feeds reliably into key required fields within the ERP system
Support HubSpot configuration decisions during initial setup
Assist with integration testing, troubleshooting, and refinement
Act as an ongoing HubSpot resource for future enhancements and support needs
Requirements:
Deep hands‑on experience with HubSpot architecture and backend data schema
Strong knowledge of HubSpot APIs and integration patterns
Proven experience supporting custom CRM or ERP integrations (not just standard connectors)
Ability to work closely with software engineers on design reviews and testing, even if not writing code
Strong understanding of data flows, object relationships, and required field enforcement
Excellent communication skills and ability to operate as a trusted technical advisor
Nice to have:
Experience integrating HubSpot with: Custom-built ERP systems
SQL Server–based platforms
.NET / C# environments
HubSpot certifications (Admin, Operations Hub, or similar)
Prior consulting or SME‑style engagement experience