I need to connect our application to a CRM platform and keep the project small, clean, and fully documented. The task is strictly software integration—no extra module installations or feature redesigns—so your focus will be getting data flowing smoothly between the two systems and then providing brief post-go-live support. The exact CRM will be confirmed on our first call; expect one of the mainstream options such as Salesforce, HubSpot, or Zoho CRM. Whichever it is, the work will revolve around their public REST APIs, webhooks, and OAuth-based authentication. You should already feel comfortable mapping fields, handling rate limits, and writing lightweight error handling so that contacts, deals, and a handful of custom objects sync reliably both ways. Deliverables • Production-ready integration code or configuration (language or iPaaS of your choice, as long as it’s easy for us to maintain) • A concise setup & rollback guide • A quick test script or Postman collection demonstrating each API call • Up to two weeks of light support for bug fixes or questions Acceptance Criteria 1. All agreed fields sync automatically with no duplicates. 2. Round-trip time for data updates is under five minutes. 3. No unhandled errors appear in the application or CRM logs during a 48-hour test window. I value clear, asynchronous communication, so please tell me which tools or SDKs you prefer and any assumptions you need me to confirm before you start. Looking forward to getting this rolled out quickly and painlessly!