Meta Account & WhatsApp API Fix

Description:
We are looking for an experienced Meta Developer to help us resolve issues with our live Meta app that integrates Webhooks and WhatsApp Business API.
Our app has been rejected during Meta App Review, and we need an expert who understands Meta’s policies and technical requirements to fix the issues and guide us toward approval.
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Project Overview:
• Our SaaS product requires client onboarding via Meta Embedded Signup
• Integration includes:
o WhatsApp Business API (already implemented)
o Webhooks (already implemented)
• Current issue:
o App Review rejection
o Phone number onboarding is pending / not working correctly
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Responsibilities:
• Analyze and resolve Meta App Review rejection issues
• Fix Embedded Signup flow (especially phone number onboarding)
• Ensure full compliance with Meta platform policies
• Debug and optimize WhatsApp Business API integration
• Validate Webhook functionality and event handling
• Assist in successful app resubmission and approval
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Requirements:
• Proven experience with:
o Meta for Developers (Facebook/WhatsApp APIs)
o WhatsApp Business API (Cloud API preferred)
o Embedded Signup flow
o Webhooks setup and debugging
• Strong understanding of Meta App Review process
• Experience resolving app rejection cases
• Ability to quickly diagnose and fix issues
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Nice to Have:
• Experience with SaaS onboarding flows
• Prior work with similar approval/review challenges
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Deliverables:
• Fix all issues blocking Meta App approval
• Working Embedded Signup flow (including phone number linking)
• Successful Meta App Review approval
• Documentation or guidance for future compliance