AI research intern - H1 2027

Mirakl; Paris; Presencial; EUR 16.000 - 19.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Permanent contract potential

Well-being facilities

Gym/fitness

Swile meal voucher

Navigo transport coverage

Breakfasts & Yoga

Team events

Descripción de la vacante

Mirakl is seeking an AI Research Intern in Paris to join the R&D Data team. You will work on routing language models for tasks and collaborate with senior engineers to push AI innovations that power Mirakl's products.

You'll review literature, design routing methods, and evaluate on real data, communicating findings to both technical and non-technical audiences. Fluency in French and strong Python ML skills are required.

Formación

• Final year of a Master's degree (Bac+5) in applied mathematics from engineering school or university.
• Solid grounding in statistics, machine learning, and deep learning.
• Familiarity with data preparation techniques and feature engineering.

Responsabilidades

• Conduct a structured literature review of LLM routing approaches to map the state of the art.
• Design and implement a routing method that selects the most suitable language model for a given task.
• Evaluate your solution on real product data, measuring quality, cost and latency.
• Collaborate with Research Engineers and Data Scientists to iterate on hypotheses.
• Document findings and present results to technical and non-technical stakeholders.

Conocimientos

Python

Machine learning

Deep learning

Data preparation

Research analysis

Communication

Educación

Master's degree in applied mathematics

Herramientas

PyTorch

TensorFlow

scikit-learn

Transformers

Pandas

Descripción del empleo

Founded in 2012, Mirakl has been at the forefront of marketplace innovation, empowering every business to compete in the platform economy.
Today, Mirakl’s operating system combines an enterprise marketplace solution (Mirakl Platform) that enables retailers and B2B organizations to launch, scale, and operate marketplaces and dropship, AI-powered multichannel selling (Mirakl Connect), retail media (Mirakl Ads) and an agentic commerce infrastructure (Mirakl Nexus).
With dual headquarters in Boston and Paris, Mirakl helps a global ecosystem of 450+ marketplaces (B2C and B2B) and a network of over 100k third-party marketplace sellers. Brands like Macy’s, Decathlon, Carrefour, Asos, and Airbus Helicopters use Mirakl to grow their businesses in new and remarkable ways.

For more information: www.mirakl.com.

Mirakl in Numbers:

• Founded in 2012 | Member of French Tech Next40
• 750+ employees in 9 offices worldwide: Paris, Barcelona, Bordeaux, Boston, London, Munich, New York, Sydney, Tokyo
• 350+ Mirakl Tech teams members mainly based in France

Our Values:

Working at Mirakl means accelerating your career alongside ambitious, passionate, and supportive colleagues. We're proud of the diversity of backgrounds, perspectives, and experiences that make our teams unique.

• Work Hard Together: Teamwork and collaboration are the foundation of our success
• Get Things Done: We prioritize action and efficiency for impactful results
• Go Above & Beyond: We tackle challenges proactively and always aim for excellence
• Succeed Through Expertise: Knowledge sharing and continuous learning are core to our culture
• Satisfy & Empower Clients: We're committed to our clients' success

AI Research Intern - 2027

1. The Team You'll JoinYou'll be part of our R&D team, led by Robin Vaysse, Senior AI Researcher. The team consists of 5 Research Engineers embedded within a broader Data department of 70 people. Together, you'll be pushing the boundaries of AI and machine learning to build innovative solutions that directly power Mirakl's products.

2. Your Impact

• Conduct a structured literature review of LLM routing approaches (learned classifiers, preference-based routers, cascades) to map the state of the art
• Design and implement a routing method that automatically selects the most suitable language model for a given task
• Evaluate your solution on real product data, measuring performance across quality, cost, and latency dimensions
• Collaborate with experienced Research Engineers and Data Scientists to iterate on hypotheses and refine your approach
• Contribute to the broader R&D roadmap by documenting findings and presenting results to technical and non-technical stakeholders

3. What You'll Bring to the Role

Experience:

• Final year of a Master's degree (Bac+5) in applied mathematics, from an engineering school or university
• Solid grounding in statistics, machine learning, and deep learning
• Familiarity with data preparation techniques and feature engineering
• Demonstrated interest in research: comfortable reading academic papers and tracking state-of-the-art models

Skills:

• Python and core data science libraries (pandas, scikit-learn, PyTorch, TensorFlow, Transformers)
• Machine learning & deep learning
• Data preparation & feature engineering
• Research analysis and synthesis
• Ability to communicate technical concepts clearly to non-expert audiences

4. Tech Stack

Python, Hugging Face, Databricks, AWS, Spark, Airflow, SQL, AnyScale, vLLM, KServe, Galileo, OpenAI, Mistral

5. Languages

• French: Fluent (required)
• English: Professional proficiency - B2/C1

6. Compensation, Perks & Benefits

Pay Range: €1,600/month (end-of-studies internship)

Perks & Benefits:

• Opportunity to be offered a permanent contract at the end of the internship
• A workplace in the 16th arrondissement designed for well-being: breakfasts, sports and yoga classes, after-work drinks, game nights, and CSE benefits
• A tailored onboarding journey to hit the ground running
• Gymlib pass to take care of your health
• Swile meal voucher card
• 50% transport coverage (Navigo pass, bike, etc.)

See What We're Building in the Data Team