AI Voice Agent Engineer

Build and iterate voice agents for call handling, order taking, reservations, support, refunds, collections, and CRM updates using voice AI platforms.
Design conversational flows with branching logic, robust fallback handling, tool integrations, knowledge bases, and external system connections.
Integrate agents with Salesforce and other CRMs via APIs to databases and ordering systems.
Identify and resolve latency issues across model responses, tool calls, voice interactions, and external integrations.
Avoid fragile implementations based solely on large system prompts; build modular maintainable agent systems.
Debug agent behavior using logs conversation reviews traces and user feedback to continuously improve performance.
Document flows integrations limitations and technical decisions clearly for team continuity.

Senior engineer with 3+ years of professional software development experience
Strong JavaScript and Node.js for production systems
Hands-on experience with voice AI platforms (ElevenLabs, Vapi, Retell, Bland, OpenAI Realtime, Twilio)
Experience configuring agents with prompts, tools, knowledge bases, conversational flows
Proficiency with LLM APIs (OpenAI, Anthropic)
REST API integration experience
Understanding of agent architecture: prompts, tools, workflows, knowledge bases, integrations, fallback logic
Proven ability to identify and reduce latency in voice or AI workflows
Daily use of AI coding tools (Cursor, Copilot, Claude Code)
Strong GitHub usage
Conversational and written Spanish