Freelance Data Engineer for AI Sales Development Representative (AI SDR)

About the role

We are seeking a freelance Data Engineer to finalize and integrate 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 via Email, SMS, WhatsApp, and AI‑driven voice calls.
• Configure CUG‑based phone calling similar to the current SMS marketing campaign.
• Capture prospect responses and outreach outcomes and feed them back into the AI SDR workflow.
• Conduct end‑to‑end testing, debug issues, and ensure the system can handle 100 k prospects per month.
• 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.
• Familiarity with Email, SMS, WhatsApp, and telephony/voice APIs.
• Experience with AI automation or sales‑automation agents is highly desirable.
• Ability to work independently and meet a one‑week delivery deadline.
• Excellent debugging and integration testing skills.

Required skills

• Data Engineering
• Data Analytics
• API integration
• Email API
• SMS API
• WhatsApp API
• Telephony/Voice API
• AI automation
• AI agents
• Debugging
• Integration testing
• Technical documentation