Senior Meta API / Facebook Graph API Developer (Business Manager, Ads API & App Review Expert)

About Us We're building a SaaS platform for e-commerce business owners that securely connects to their Meta Business Manager through Meta's official APIs. The goal is to allow users to authenticate with Facebook, connect their Meta Business account, and give our platform permission to access advertising data (campaigns, ad sets, ads, performance metrics, etc.) through Meta's Marketing API. We've already begun development but have been running into repeated issues with Meta's App Review, Business Verification, permission approvals, and overall platform compliance. We're looking for someone who has successfully taken Meta applications through this exact process before. What We Need Help With We're looking for an expert who can: -Complete or advise on Meta Business Verification -Configure our Meta App correctly -Set up the Marketing API correctly -Help obtain approval for the required permissions -Guide us through Meta App Review -Ensure our OAuth flow follows Meta requirements -Ensure we're fully compliant with Meta Platform Policies -Help us troubleshoot rejected submissions -Review our implementation and identify what's preventing approval -Assist with testing using Meta test users and business accounts -Work alongside our development team until the integration is fully approved and working The Platform Users should be able to: -Connect their Meta Business account -Authorise our application using Facebook Login -Grant permission to access their advertising account(s) -Allow our platform to retrieve advertising data through Meta's official APIs We are not trying to scrape data or bypass Meta's policies. Everything must be implemented using Meta's official APIs and approved permissions. Requirements You should have proven experience with: Meta Graph API Meta Marketing API Facebook Login OAuth Business Manager integrations Meta App Review Business Verification System Users Long-lived access tokens Ads Insights API Permissions such as: ads_read business_management read_insights Any other permissions required for Marketing API integrations Bonus experience: Node.js Python React AWS SaaS products Please Apply Only If In your proposal, please answer: Have you successfully had a Meta app approved for Marketing API access? Which Meta permissions have you previously obtained? Have you completed Business Verification for clients? What was the biggest issue you solved during App Review? Can you share examples of similar projects? Approximately how long do you think it would take to get our app approved? Project Type Initially, this is a consulting and implementation project to get our Meta integration approved. If everything goes well, we'd like to retain you long-term as our Meta API specialist as we continue expanding the platform. We're looking for someone who genuinely understands Meta's ecosystem, not someone learning it for the first time.