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, TypeScript, PostgreSQL, Redis
Familiarity with these is idóneo: Prisma (or other ORM experience), tRPC, HIPAA compliance

Frontend priorities

Strong experience needed in: React, TypeScript, Redux OR Zustand OR other state management libraries
Familiarity with these is ideal: Tailwind, AWS Cognito

DevOps priorities

Strong experience needed in: AWS, Terraform
Familiarity with these is ideal: 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

4-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 templatingTelemetry 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 a

📌 AI Engineer (España)
🏢 Braintrust
📍 España