About Juan
- RAG Architectures & Agentic Frameworks Design: Development of advanced systems via LangGraph and LangChain, enabling qualitative and secure exploitation of company data with LLMs.
- Industrialization & MLOps: Large-scale platform deployment. Mastery of the complete lifecycle: from architectural design to observability (Langfuse).
- Technical Leadership: Leading multidisciplinary teams, interface with clients and cross-functional departments, and ensuring software quality.
- AI Strategy: Trade-offs between proprietary solutions (Cloud providers) and custom architecture, technical feasibility audits, and definition of industrialization roadmaps.
- Expert Development: Creation of complex agentic workflows and LLM performance optimization (latency, accuracy, costs).
- Decision Support: Financial impact analysis and ROI optimization, based on solid experience in framing, costing, and project management, Yield Management, and Pricing.
French
Native or bilingual
English
Native or bilingual
Spanish
Native or bilingual
Experience
- ITNOVEM (Filiale Technologique du groupe SNCF)Senior Consultant & Tech Lead - Data ScienceAugust 2020 - February 2026 (5 years and 6 months)Paris, France
- Tech Lead GenAI & Management: Leading a DSE team of 7 people dedicated to the design and production deployment of an internal sovereign GPT platform (RAG architecture) and ensuring its delivery. Strategic interface with clients and cross-functional departments (Architects, DevOps and Full-Stack Developers, Product Owner, Project Manager).
- Consulting and Technical/Scientific Framing: Supporting the general management of SNCF group entities (Voyageurs, Réseau, Matériel) in defining AI and ML projects (POC, prototypes, pilots, MVP) and estimating ROI.
- Industrialization & MLOps: Development standardization (OOP, Clean Code, peer reviews), implementation of decoupled architectures and CI/CD pipelines for automated testing (unit and integration) and artifacts, environment management and Docker containerization, and implementation of monitoring, observability, and quality control tools (LLM calls, cost and relevance analysis, Prompt Management, A/B Testing).
- Expertise and Watchkeeping: Publishing papers and presenting at international conferences. Leading internal sessions and acting as a referent for technological watch on the state-of-the-art in AI and DS practices within the team.
- REVENUE MANAGEMENT SOLUTIONSSenior Consulting Insights and Data AnalystAugust 2016 - August 2019 (3 years)Paris, France
- Strategic Consulting (Pricing & Yield): Supporting general management of major players in the fast-moving consumer goods sector in 4 countries (Middle East and Europe) with on-site missions to optimize pricing and revenue policies.
- Business Development EMEA: Designing commercial and technical proposals for acquiring new accounts and renewing strategic contracts in the EMEA region.
- Data Analysis: Structuring, processing, validating, and exploiting massive "panel" datasets.
- Performance Management: Designing reports and dashboards for decision-making and defining key performance indicators.
- ABERCROMBIE & FITCHAuditor Taxes and Payroll EuropeOctober 2014 - June 2016 (1 year and 8 months)Paris, France
- Financial Management: Managing tax and payroll obligations for approx. 1000 employees (Spain and Belgium).
- Compliance and Audit: Ensuring compliance of fiscal reporting systems with European regulations.
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Education
- Data EngineeringLE WAGON2023Data Engineering
- Machine Learning EngineeringYOTTA ACADEMY2020Machine Learning Engineering