Contact person: Business Client

Phone:Show

Email:Show

Location: Lucas do Rio Verde, Brazil

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"We are looking for an experienced Full-Stack Developer or Brazilian integration company to build a complete middleware solution connecting:

InteratiX (Brazil WhatsApp automation platform)
Website: [login to view URL]

SIGEP WebService – Correios Brazil (SOAP/WSDL)
Website: [login to view URL]

ClippStore ERP (Brazil)
Website: [login to view URL]

WhatsApp Business API (Brazilian providers)
360Dialog BR → [login to view URL]

Z-API Brazil → [login to view URL]

Gupshup BR → [login to view URL]

This job requires real experience with:
SOAP (mandatory), REST APIs, SQL, WhatsApp API, Node.js or Python, Brazilian systems integration.

OBJECTIVE

Build a backend middleware that:

Receives messages from InteratiX (WhatsApp)

Uses AI to understand user intent (OpenAI or similar)

Queries ClippStore DB for products, stock, dimensions, prices

Calculates shipping via SIGEP Correios (SOAP)

Generates shipping labels (PDF/Base64)

Creates orders inside ClippStore

Sends label & tracking automatically to the customer via WhatsApp

Pushes leads/orders into a Brazilian CRM (Agendor, Moskit, RD Station, Pipedrive)

Retrieves tracking updates from Correios and notifies customers

SCOPE OF WORK

The developer must deliver a complete and functional integration, including:

1. Webhooks

WhatsApp → InteratiX → Middleware

Payment confirmation → Middleware

Tracking events → Middleware → WhatsApp bot



for more information check file attached" (client-provided description)