
Christopher O
Your WATI Whatsapp Chatbot Expert
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WhatsApp POS SaaS Developer
Poikilingo • Freiberufler
Apr 2026 - Present • 1 mo
Built and actively developing PayQu, a multi-tenant WhatsApp-based Point of Sale (POS) SaaS platform. Integrated DPS payment gateway (MXN) with a Railway-hosted Node.js backend, currently live in production. Designed and implemented merchant onboarding flows including business registration and automated WhatsApp number assignment. Architected a two-tier infrastructure strategy: shared Meta Business Account and WhatsApp Flow for standard merchants, with dedicated Meta infrastructure for white-label clients requiring full branding control. Scoped an AI agent roadmap covering both merchant-facing and internal automation agents. Core stack: Meta WhatsApp Cloud API, Node.js, Railway, DPS Payments. Skills: WhatsApp Business API, Meta Cloud API, Node.js, API Integration, Payment Gateway Integration, SaaS Development, Automation
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lagomayorspa
Wiederkehrender Kunde

Chile
Este profesional ha cumplido mis expectativas, dejando su trabajo a la perfección, lo recomiendo
lagomayorspa
Wiederkehrender Kunde

Chile
Ha sido una excelente experiencia trabajar con este profesional altamente calificado sin duda un apoyo en todo momento LO RECOMIENDO 10/10
Bis zu 50 $
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2 Tagen
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