Andersen is hiring an AI Engineer (NLP, RAG)for a project developing GenAI solutions, intelligent automation, and AI-powered knowledge management systems.

The customer is a integral technology organization delivering digital products and business solutions to customers across multiple industries and markets. The company focuses on helping organizations improve operational effectiveness, optimize processes, and support business growth through the use of modern technologies, data-driven approaches, and scalable platforms. With an international presence and a strong focus on innovation, the organization continuously evolves its products and services to address changing customer and market needs.

The role is aligned with Pacific Time Zone working hours.

Responsibilities:
- Building hierarchical and multi-agent RAG systems with robust orchestration layers (LangChain, LangGraph; LlamaIndex is a plus).
- Ensuring the scalability and reliability of RAG ecosystems across diverse data sources.




- Defining and monitoring evaluation metrics to continuously improve retrieval quality and response accuracy.
- Implementing ingestion and parsing workflows using Unstructured.io, Pydantic, and custom ETL pipelines.
- Building and deploying services with Docker, AWS ECS, and Lambda, following event-driven architecture principles.
- Integrating third-party AI/ML services securely and efficiently.
- Participating in daily stand-ups, biweekly syncs, and technical interviews.
- Collaborating with distributed teams across multiple time zones.
- Contributing to strategic discussions on expanding the solution (agent development, model fine-tuning, new LLM use cases).

Must-haves:
- Hands-on AI/ML engineering for 5+ years, with strong production Python and a focus on building robust, scalable systems.
- Proven experience with advanced agentic RAG - hierarchical and/or multi-agent architectures.
- Hands-on RAG evaluation experience: defining and monitoring metrics to improve retrieval and respo

📌 Ai Engineer (México)
🏢 Andersen
📍 México