Gen AI Engineer (M/F) - Internship - Paris

Wiremind is a technical company founded in 2014 that transforms the transport and events sector through a 360° approach that combines UX, software, and AI. Our clientele includes SNCF, United Airlines, Qatar Airways, and PSG, for whom we deliver solutions for ticket forecasting, pricing, 3D air‑freight optimization, and competitor‑price scraping.

Responsibilities

• Design and run experiments to test different approaches for LLM‑powered projects.
• Prompt engineering through systematic testing and refinement.
• Develop evaluation frameworks, including LLM‑as‑judge approaches, and metrics aligned with expert preferences.
• Benchmark LLM models (GPT‑4, Claude, etc.) to identify optimal cost/​performance trade‑offs for production constraints.
• Break down complex problems into simpler, specialized sub‑tasks that LLMs can handle more reliably.
• Analyze failure modes and edge cases in LLM outputs.
• Document and share findings with engineering and product teams.

Hard Skills

• Currently pursuing a Master’s Degree in computer science or data science.
• Solid Python programming skills and experience with structured projects.
• Experience experimenting with LLMs (personal projects, coursework, hackathons) and a strong desire to learn more.
• Good understanding of fundamental machine learning concepts and evaluation metrics.

Soft Skills

• Curiosity about applying AI to solve real business problems in production environments.
• Strong analytical skills and enjoyment of iterative experimentation.
• Clear communication and ability to explain technical concepts to non‑technical stakeholders.

Nice‑to‑have

• Familiarity with prompt engineering best practices.
• Interest in revenue management, pricing, or optimization problems.

Technical Stack

• Backend: Python 3.11+ with SQLAlchemy, Remoulade, Flask/FastAPI.
• LLM Tools: LiteLLM, Langfuse.
• GitLab for continuous delivery.
• Kubernetes for infrastructure.

Benefits

• Self‑financed startup with a strong technical identity.
• Beautiful 900 m² offices in the heart of Paris (Bd Poissonnière).
• Competitive remuneration.
• A caring and stimulating team that encourages skill development through initiative and autonomy.
• A learning environment with opportunities for evolution.
• One day of remote work per week.
• Engaged company culture with monthly afterworks, regular technology and product meetings, annual off‑site seminars, and team‑building activities.

Recruitment Process

• Screening interview with the Talent Acquisition Intern.
• Technical interview with the Lead Gen AI.
• Technical test/business case preparation.
• Presentation at our offices in the presence of the hiring manager.

Wiremind is committed to equality of opportunity, diversity, and fairness. We encourage all candidates with the necessary experience to apply for our job offers.