Data & AI Engineer Intern

fifty-five

. Conduct an in-depth audit of Google Meridian v2.0’s open-source codebase .

Posted 10/31/2026internshipParis • FranceEntry LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong Python development skills and a solid understanding of software engineering fundamentals, with the ability to conduct code audits and optimize database queries. Proficient in utilizing AI coding assistants and familiar with BigQuery and Model Context Protocol (MCP) for effective data manipulation and integration.

Highest-signal resume keywords

Python DevelopmentSQL Data-ManipulationBigQueryModel Context Protocol (MCP)Git Version Control

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Python DevelopmentSQL Data-ManipulationBigQueryModel Context Protocol (MCP)Git Version ControlAI Coding AssistantsSoftware Engineering FundamentalsData OptimizationUnit TestingCode Auditing

Soft Skills

CuriousSelf-MotivatedClear Communication

Tools & Technologies

Claude CodeGoogle Cloud PlatformCursorCopilotLangGraphLangChain

Industry Keywords

Open-Source CodebaseVibe-Coding WorkflowsTechnical DocumentationIntegration Best PracticesLarge-Scale Datasets

Tech Stack

Tools & technologies

BigQueryCloudGoogle Cloud PlatformPythonSQL

About the role

Key responsibilities & impact

Conduct an in-depth audit of Google Meridian v2.0’s open-source codebase
Identify breaking changes and optimization opportunities
Design Python test scripts and proofs of concept (PoCs) to validate the execution of new models
Connect and feed test pipelines from BigQuery environments
Make technical concepts accessible and share integration best practices with the team
Use Claude Code and the Model Context Protocol (MCP) architecture to map dependencies, generate shims/wrappers, create unit tests, and accelerate technical documentation
Contribute, as needed, to structuring BigQuery tables and optimizing queries on large-scale datasets

Requirements

What you’ll need

Currently enrolled in an engineering or computer science program, or an equivalent university master’s degree (fourth- or fifth-year level)
Excellent command of Python development
Strong database and SQL data-manipulation skills
Advanced, thoughtful use of AI coding assistants in local or CLI environments (Claude Code, Cursor, Copilot)
Strong interest in Model Context Protocol (MCP) extension protocols and hands-on experience with vibe-coding workflows
Solid understanding of software engineering fundamentals and version control (Git)
Curious and self-motivated, with the ability to explore an unfamiliar codebase and formulate clear recommendations
Fluent in French and English
Authorized to work in France
Experience with BigQuery or Google Cloud Platform is a major asset
Practical experience with agentic AI workflows is a plus
Familiarity with LangGraph or LangChain is a plus
A GitHub profile featuring personal projects that demonstrate coding or AI automation skills is a plus
No prior knowledge of Marketing Mix Modeling (MMM) or advanced statistics is required

Benefits

Comp & perks

A one-week onboarding program shared by all our Nifties, along with ongoing, recognized training on the digital ecosystem and its technologies
Meaningful, progressively challenging assignments designed to help you gain the maximum possible experience and skills
An Edenred+ meal voucher card worth €10 per day, reimbursed at 50%
50% coverage of public transport passes (Navigo, bicycle, etc.)
A strong focus on work-life balance, in accordance with the right to disconnect
A flexible remote-work policy
A multicultural environment with more than 20 nationalities
A culture built around excellence, kindness, and knowledge sharing