Freelance Data Engineer for AI Sales Development Bot

About the role

We are seeking a freelance Data Engineer to finalize and operationalize an AI‑powered Sales Development Representative (AI SDR) bot. The majority of the application is already built; your mission is to connect the remaining components, integrate communication channels, and deliver a production‑ready solution within one week.

Key responsibilities

• Review the existing AI SDR codebase and complete any missing functionality.
• Connect the prospect data and list‑generation pipeline to the bot.
• Integrate automated outreach channels: Email, SMS, WhatsApp, and AI‑driven phone calls/robocalls.
• Configure CUG‑based phone calling similar to current SMS marketing campaigns.
• Capture prospect responses and outreach outcomes and feed them back into the AI SDR workflow.
• Conduct end‑to‑end integration testing, identify and fix bugs.
• Provide basic technical documentation and knowledge transfer.

Required profile

• Strong background in Data Engineering or Data Analytics.
• Proven experience integrating APIs and building data pipelines.
• Hands‑on experience with Email, SMS, WhatsApp, and telephony/voice APIs.
• Familiarity with AI automation or sales‑automation agents is highly desirable.
• Ability to work independently, meet a tight one‑week deadline, and troubleshoot complex integration issues.

Required skills

• Data Engineering
• Data Analytics
• API Integration
• Email API
• SMS API
• WhatsApp API
• Telephony/Voice API
• AI Automation
• Debugging

What we offer

• Short‑term, high‑impact freelance engagement.
• Opportunity to work on a cutting‑edge AI sales automation platform.
• Potential for future collaboration as the system scales to 1‑2 million prospects per month.