Senior Full Stack AI Engineer

Location:
Remote – Mexico

Schedule:
EST

About the Role

We are looking for a
Senior Full Stack AI Engineer
to join a US-based startup building an AI-powered back-office platform for the skilled trades.

This is a highly hands-on engineering role for someone who can own systems end-to-end — from modern React and React Native product experiences to Node.js services, AI agents, RAG/search, integrations, and production infrastructure.

The idóneo candidate is a strong product engineer who has already shipped production full-stack systems and has meaningful hands-on experience building AI/LLM-powered features.

What You’ll Build
- New product screens and workflows for jobs, customers, invoicing, scheduling, and other business operations using
React and React Native
- AI-powered chat experiences including streaming responses, tool-result rendering, human review, and feedback loops
- Production AI workflows including
tool-using agents, RAG/search, classification, extraction, and human-in-the-loop systems
- Backend APIs and services using




Node.js and TypeScript
- Business automations powered by AI
- Integrations and data ingestion from third-party APIs, webhooks, and files
- Evaluation and monitoring systems for AI workflows, including regression testing, quality metrics, drift detection, and cost/latency tracking
- Scalable systems involving queues, orchestration, retries, data modeling, and API design
- Reliable and polished user experiences with attention to performance, loading states, accessibility, and edge cases

Responsibilities
- Analyze product and business requirements and propose practical, AI-native technical solutions
- Design and ship full-stack features across
React, React Native, Node.js, and AI services
- Build clean, scalable, production-ready code
- Design and implement LLM-powered workflows and AI integrations
- Test, deploy, monitor, and optimize production systems
- Evaluate AI-generated solutions critically rather than

📌 Senior Full Stack AI Engineer (México)
🏢 American IT Sourcing
📍 México