This role is open to candidates in US, Europe, Canada and LATAM**

About The Role

We are building a healthcare-focused AI platform that automates patient engagement through conversational workflows (SMS and voice). At the core is an LLM-powered chatbot that operates as a multi-phase system combining structured data extraction, reasoning, message generation, and system-triggered actions.

We are looking for an AI Engineer to build and scale these conversational agents in production.

Tech Stack

Backend priorities

Strong experience needed in: Node.js, Express, Type Script, PostgreSQL, Redis

Familiarity with these is ideal: Prisma (or other ORM experience), tRPC, HIPAA compliance

Frontend priorities

Strong experience needed in: React, Type Script, Redux OR Zustand OR other state management libraries

Familiarity with these is ideal: Tailwind, AWS Cognito

Dev Ops priorities

Strong experience needed in: AWS, Terraform

Familiarity with these is adecuado: Azure, HIPAA-compliant environments

AI priorities

Strong experience with: building LLM-based features, AI chatbots, and conversational agents

Experience with: multi-step or agentic workflows, prompt design, structured outputs

Chatbot Architecture Context

1.



phase workflow: analysis, decisioning, message composition, system execution

Redis and BullMQ for async job orchestration

Vitest used for testing and evals

Handlebars used for prompt and message templating Telemetry used to continuously improve system performance

What You’ll Do

Build and improve LLM-driven conversational agents

Design prompt strategies and decision logic

Integrate AI with backend systems, queues, and APIs

Handle complex edge cases across conversation flows

Optimize performance, reliability, and cost of AI systems

Use telemetry and testing feedback to improve outputs

What We’re Looking For

Mid to senior level, senior preferred

Strong experience building AI chatbots or LLM-based systems

Strong backend engineering experience

Ability to work independently and take ownership

Strong English communication skills (written and verbal), required

Engagement Details

Type: Full-time
Duration: Long-term 6 month contract (initial)
Location: Remote

Collaboration: Must overlap at least 5 hours with U.S. Pacific time

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📌 AI Engineer - Full stack (Conversational Systems) LATAM, Europe, North America (Madrid)
🏢 Braintrust
📍 Madrid