Joel Arias Parra — AI Engineer
AI Engineer based in Santiago, Chile. Founding engineer at NexorAI, the first Chilean startup in a16z Speedrun (SR007), building production voice and text AI agents for LatAm, Dubai and the US.
Experience
NexorAI — Founding Engineer / AI Engineer (2026 — present)
- Omnichannel AI agents for voice and text sharing one context across calls, WhatsApp and email.
- Real-time voice AI agents on phone lines with Pipecat, Twilio and ElevenLabs, including live call transfer between AI agents and human reps.
- Outbound engine for WhatsApp, email and calls with send-time optimization per contact.
- Evals, guardrails and LLM-as-Judge with a triple-validation gate.
- Nexor MCP server: AI agents like Claude or Codex set up the whole platform without the UI.
Dropout Capital — Full Stack Developer (2025 — present)
Skills: AI agents, voice AI, LLMs, MCP, evals, Langfuse, Mastra, AI SDK, Pipecat, Twilio, ElevenLabs, Retell, TypeScript, Python, React, Next.js, Bun, Node.js, Supabase, PostgreSQL, AWS.