Data & AI Engineer Intern (H/F)
Fifty-Five2 days ago
Paris, FranceIntern
Responsibilities
- Audit the Google Meridian v2.0 open-source codebase and identify breaking changes and optimization opportunities.
- Develop Python test scripts and proofs of concept to validate new models.
- Connect and feed test pipelines from BigQuery environments.
- Document integration practices and communicate technical findings to the team.
- Use Claude Code and MCP to map dependencies, generate compatibility shims or wrappers, create unit tests, and accelerate technical documentation.
- Support the broader structuring of BigQuery tables and optimization of queries over large datasets as needed.
Requirements
- Be enrolled in an engineering school, computer science program, or equivalent university master’s program at BAC+4/+5 level.
- Demonstrate excellent Python development skills and strong database and SQL knowledge.
- Have advanced, practical experience using AI coding assistants such as Claude Code, Cursor, or Copilot in local or CLI environments.
- Understand MCP, agentic AI workflows, and AI-augmented coding practices.
- Know software engineering fundamentals and Git version control.
- Be curious, autonomous, and able to explore an unfamiliar codebase and make clear recommendations.
- Be fluent in French and English and authorized to work in France.
- Prior BigQuery or Google Cloud Platform experience is a major advantage.
- Familiarity with LangGraph or LangChain and a GitHub portfolio demonstrating coding or AI automation projects are desirable.
Benefits
- Hybrid work arrangement with a flexible remote-work policy.
- One week of common onboarding and continuing training on digital technologies and the broader ecosystem.
- Responsibility-oriented and evolving assignments within an applied Data R&D team.
- Edenred+ meal voucher card worth 10 euros per day, reimbursed at 50%.
- 50% reimbursement of transportation passes, including Navigo and bicycle transport.
- Emphasis on work-life balance and the right to disconnect.
- Multicultural environment with more than 20 nationalities.
Tech Stack
Categories
Data EngineeringML Engineering
About Fifty-Five
Fifty-Five is a data-driven marketing consultancy that helps brands use analytics, tracking, and attribution to improve media performance and customer experience through consulting and specialized technology. Founded in 2010 and headquartered in Paris, it operates across Europe, Asia, and North America from offices including London, Shanghai, Singapore, and New York. The company is part of The Brandtech Group.