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Full stack Engineer - LATAM, Europe, North America

6 timer siden|Argentina, Romania, United States, Brazil, Colombia, Mexico, Poland, Canada, Portugal, Ireland, Costa Rica|$55-$65/time|Freelance|5-10 års erfaring|OneFlo
Fullstack

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Role Overview

**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 ideal: 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

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 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 backend engineering experience

● Ability to work independently and take ownership ● Strong English communication skills (written and verbal), required

Engagement Details ● Type: Full-time (40 hours/week) ● 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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