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 experie

📌 AI Engineer (España)
🏢 Braintrust
📍 España