Data Engineer Expert AI / Agentic AI M/F - Freelance

Collective.workParisEURESpublished 11/03/2026
Must-have:Senior
Nice-to-have:PythonAWSCloudDevOpsDataCI/CDAI
Machine translation — original language: French.Show original

About the company

As part of the development of its Data and AI capabilities, Sanofi wishes to strengthen its teams with a senior profile capable of contributing to the industrialization of data pipelines and the development of AI agents.

Your tasks

The solutions developed are intended to be used on a large scale, potentially by nearly 100,000 employees across the company. They must enable simplified access to complex systems and data and streamline daily processes, particularly in the following areas:

  • Finance and payments;
  • Industry and operations;
  • Commercial;
  • Logistics;
  • IT Support;
  • Incident management.

The mission is located at the intersection of Data Engineering, Data Platform, and Agentic AI.

The consultant will contribute to

  • transforming and structuring the data used by AI solutions;
  • designing and developing robust data pipelines;
  • industrializing data flows and platforms through to production;
  • developing AI agents and conversational interfaces connected to internal data and systems;
  • making business processes simpler, faster, and smoother;
  • guaranteeing the reliability, maintainability, and scalability of the developed solutions;
  • supporting the transition from AI prototypes or experiments to production-ready solutions.

Main responsibilities The consultant will specifically work on the following activities:

  • analyzing technical and business needs related to Data and AI projects;
  • designing the architecture of pipelines and data flows;
  • developing, maintaining, and optimizing data pipelines;
  • working on Snowflake and dbt environments;
  • preparing the data necessary to feed models, agents, and AI interfaces;
  • participating in the design of agents capable of interacting with company data and systems;
  • implementing best practices for industrialization, deployment, and supervision;
  • contributing to data quality, security, governance, and traceability;
  • collaborating with Data, AI, Architecture, IT, business, and security teams;
  • documenting solutions and supporting their adoption by users.

Requirements

Essential skills

  • Data Engineering;
  • Snowflake;
  • dbt;
  • design and development of data pipelines;
  • industrialization and production deployment of data platforms or products;
  • understanding of Data and AI architectures;
  • concrete experience in Generative AI or Agentic AI projects.

Appreciated complementary skills

  • Python and SQL;
  • AWS;
  • Airflow or similar orchestration tools;
  • APIs and system integration;
  • cloud architectures;
  • RAG, LLM, or conversational interfaces;
  • observability, CI/CD, and DevOps practices;
  • data security and governance.

data engineering, python, aws, agentic ai

  • Minimum 5 years of experience in Data Engineering, Data Platform, or an equivalent field;
  • significant experience with Snowflake and dbt;
  • experience with projects led through to production;
  • ability to work in complex, large-scale environments;
  • experience in developing AI solutions or intelligent agents;
  • good understanding of data quality, security, and governance issues;
  • ability to communicate with both technical and business stakeholders;
  • autonomy, pragmatism, and a structured mindset;
  • English

Other

Daily rate (TJM): 600€ / day </body>