Senior Data Scientist II: AI Architect for RAG & Agents

LexisNexis Risk Solutions; México; A distancia; MXN 900.000 - 1.500.000; Jornada completa

Descripción de la vacante

LexisNexis Legal & Professional is seeking a Senior II Data Scientist to lead development of AI solutions using LLMs, RAG, and agentic workflows. You will work with product managers and domain experts to translate business needs into scalable, production-ready AI solutions and contribute directly to software development.

The role emphasizes end-to-end AI lifecycle, experimentation, and optimization across retrieval, generation, and evaluation components, with strong Python and cloud development

Formación

• 2 to 5 years of experience in Data Scientist or similar roles.
• At least 1 year of hands-on experience building RAG-based applications and agentic AI systems.
• Ability to design and explain end-to-end AI solution architectures, including data ingestion, retrieval, generation, and evaluation components.
• Strong proficiency in Python, LangChain, and cloud-based development.
• Experience with NLP, document processing, search, or related information retrieval problems.
• Familiarity with embeddings, vector search, and retrieval mechanisms.
• Experience implementing agentic workflows and multi-agent architectures.
• Excellent communication skills in English.

Responsabilidades

• Lead the end-to-end lifecycle of AI projects (LLMs, RAG, agentic workflows) from problem definition to deployment and evaluation.
• Monitor, evaluate and optimize AI system performance using metrics and experimentation frameworks.
• Partner with product managers and stakeholders to prioritize opportunities and communicate results.
• Contribute to software development as an individual contributor.
• Design and implement scalable AI solution architectures (data ingestion, retrieval, generation, evaluation).
• Build and enhance RAG-based applications and AI-powered products.
• Collaborate across teams to solve complex information retrieval and NLP challenges.
• Support continuous improvement of AI systems through experimentation and testing.

Conocimientos

Python

NLP

Vector search

RAG

Agentic workflows

Multi-agent architectures

Cloud development

English communication

Herramientas

LangChain

Google ADK

Descripción del empleo

LexisNexis Legal & Professional is seeking a Senior II Data Scientist to lead development of AI solutions using LLMs, RAG, and agentic workflows. You will work with product managers and domain experts to translate business needs into scalable, production-ready AI solutions and contribute directly to software development.

The role emphasizes end-to-end AI lifecycle, experimentation, and optimization across retrieval, generation, and evaluation components, with strong Python and cloud development