We are Aspire Jobs, a US-based recruitment and staffing company. We are looking for an experienced Voice AI Developer to build an outbound cold calling agent for our sales team. What we need: AI voice agent to make ~100 outbound cold calls per day Qualify prospects based on our recruitment script Auto-flag HOT leads and notify our sales team via WhatsApp or Slack Log all call outcomes to CRM Handle objections and rejections naturally Platform preference: Retell AI, Synthflow AI, or Vapi — open to your recommendation. Only apply if you have hands-on experience building outbound cold calling agents (not just inbound) with CRM and WhatsApp/Slack integration.