Freelancer Needed – Mass Messaging Specialist (Official API) -- 2

Job ID: 40306814

Budget: $250 – $750 USD

I’m looking for an experienced freelancer who can run large-scale outbound messaging campaigns using their own messaging infrastructure and official APIs (WhatsApp Cloud API, Twilio, or similar platforms).

The freelancer must already have their own structure set up for sending messages at scale. I am not providing the messaging infrastructure.

This role is strictly for people who already have hands-on experience with high-volume message sending. If you have never managed mass messaging campaigns before, please do not apply.

Project details:

Target audience: Brazilian leads

Large contact lists

Structured outbound campaigns

Potential for long-term work

Payment model

Payment will be per message successfully sent, using the freelancer’s own sending structure and API setup.
This project is designed for operators who are comfortable working with high-volume messaging and scalable campaigns.

Requirements:

Proven experience with mass messaging systems

Must have their own infrastructure for message sending

Experience using official messaging APIs

Ability to handle large lead databases

Knowledge of delivery optimisation and anti-blocking practices

Comfortable working with sensitive niches

Important:

Please do not apply if you are just curious or still learning.
I am only looking for freelancers who have already executed mass messaging campaigns at scale using their own systems.

When applying, include:

Which APIs or platforms you use

Approximate volume of messages you have handled

A short explanation of your sending infrastructure

Looking for someone experienced, reliable, and ready to start quickly.