3Pillar is an AI transformation partner on a mission to help enterprises build the AI-native products and intelligent agents that will define the next era of business. With teams across North America, Europe, Latin America, and Asia, we work with the most ambitious companies in financial services, healthcare, media, and technology — helping them move faster, modernize boldly, and compete on their own terms. Our HelixAI platform and Helix Pods delivery model put our engineers at the center of real agentic transformation — doing work that is open, portable, and built to last. We are building the future of enterprise AI.

Lead, AI Engineering

As a Lead, AI/ML Engineer at 3Pillar, you will lead end-to-end AI solutions for our clients. You will work on complex AI/ML problems, contribute to architecture decisions, and ship agentic, LLM-based systems and ML solutions in production.

This role sits at the intersection of backend engineering and applied AI. You are someone who can seamlessly connect APIs, orchestrate data flows, and build Retrieval-Augmented Generation (RAG) systems,



all while maintaining rigorous data privacy standards. In an era defined by AI, you will be the force that turns theoretical AI concepts into production-ready features.

Key Responsibilities

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Design, build, and deploy intelligent backend services using Python and Azure AI Foundry.

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Consume Force Account outputs by API, ensuring the system can accurately display and act on data classification and extraction.

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Engineer and optimize Retrieval-Augmented Generation (RAG) pipelines over Standard Operating Procedures (SOPs) to provide contextual, accurate, and actionable insights to users.

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Deliver assistive intelligence directly on the case, seamlessly integrating AI outputs into the end-user's workflow.

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Design and strictly enforce a redact-before-model discipline, ensuring that all Personally Identifiable Information (PII) is stripped from payloads before data ever reaches a foundational

📌 Lead AI Integration Engineer (México)
🏢 3Pillar
📍 México