We need a backend developer experienced with Apple In-App Purchases (IAP) to implement subscription payment integration for our app. Key Points: -Our environment: Windows server (Node.js) -Client app (iOS) will send Base64 encoded receipts to our backend. -Backend must validate receipts using Apple’s verify Receipt API (Production + Sandbox fallback). -Must handle App-Specific Shared Secret for subscription validation. -Implement webhooks (server-to-server notifications) for subscription renewals/cancellations.
Penulis Konten Facebook Kreatif Category: Content Creation, Content Writing, Copywriting, Creative Writing, Digital Marketing, Facebook Marketing, Social Media Management, Social Media Marketing Budget: $15 - $25 USD
18-Mar-2026 11:04 GMT
Bimbingan Cerita Fantasi Pendek Category: Conflict Resolution, Creative Writing, Editing, Google Docs, Microsoft Word, Publishing, Writing Tutoring Budget: $250 - $750 USD
Tamil-English Form Filling Category: Copy Typing, Data Entry, Data Management, Data Processing, English Translation, Excel, Google Docs, Microsoft Word, PDF, Typing Budget: $15 - $25 USD
18-Mar-2026 11:00 GMT
Film Set SketchUp Conversion Category: 3D Design, 3D Modelling, 3D Rendering, Architectural Visualization, Building Architecture, Interior Design, SketchUp Budget: £20 - £250 GBP
18-Mar-2026 11:00 GMT
Facebook Brand Awareness Strategy Development -- 2 Category: Article Writing, Brand Management, Content Strategy, Content Writing, Creative Writing, Ghostwriting, Social Media Marketing Budget: ₹1000000 - ₹2500000 INR
Traditional Domestic Help Logo Category: Adobe Illustrator, Branding, Corel Draw, Graphic Design, Illustration, Logo Design, Photoshop, Vector Design Budget: ₹1500 - ₹12500 INR
18-Mar-2026 10:56 GMT
Instagram Motion Graphics Editor Category: Adobe Premiere Pro, After Effects, Kinetic Typography, Motion Graphics, Video Editing, Video Production Budget: ₹600 - ₹1500 INR
18-Mar-2026 10:54 GMT
Podcast Social Content Creation Category: Adobe Premiere Pro, After Effects, Animation, Content Creation, Graphic Design, Social Media Marketing, Video Editing, Video Production Budget: $30 - $250 USD
Versatile Writer-Designer Needed Category: Blog Writing, Content Writing, Copywriting, Digital Marketing, Graphic Design, SEO, Social Media Marketing, Visual Design Budget: $25 - $50 USD
