Senior Data Scientist

JR France; Les Ulis; Sur place; EUR 70 000 - 100 000; Plein temps

Résumé du poste

JR France is seeking a Senior Data Scientist to drive innovation using machine learning across a tech organisation. This impactful position offers close collaboration with product and engineering teams, leadership visibility, and the opportunity to shape data-driven strategies. The ideal candidate will combine technical expertise and strategic thinking to solve complex business challenges.

Qualifications

• 7+ years of hands-on industry experience, with recent leadership in ML initiatives.
• Strong expertise in building and operationalising machine learning models.
• Domain experience in recommender systems, NLP, or information retrieval.

Responsabilités

• Drive end-to-end ML Initiatives across product and engineering teams.
• Utilise advanced techniques to improve relevance and decision-making.
• Serve as a mentor and technical advisor to promote a culture of improvement.

Connaissances

Machine Learning

Data Science

Statistical Analysis

Stakeholder Management

Formation

Advanced degree (MSc/PhD) in Computer Science, Statistics, or related field

Outils

Python

NoSQL databases

Relational databases

Description du poste

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We are seeking a Senior Data Scientist to play a central role in driving innovation and shaping data-driven strategies across a fast-moving tech organisation.

In this high-impact position, you’ll blend technical depth, product intuition, and strategic thinking to solve meaningful business challenges and enhance user experiences through applied machine learning.

You'll work closely with cross-functional product and engineering teams. This role also offers visibility at the leadership level, with influence across multiple departments.

What You’ll Do

• Drive end-to-end ML Initiatives : Design, develop, and deploy scalable machine learning systems that support personalisation, recommendations, and search use cases.
• Advance Applied AI : Utilise advanced techniques, including neural networks and Large Language Models (LLMs), to improve relevance and decision-making across digital platforms.
• Be a Technical Leader : Serve as a mentor and technical advisor to other data scientists and engineers, promoting a culture of experimentation and continuous improvement.
• Shape Strategy : Work with stakeholders across product, engineering, and analytics to align on priorities, propose data-driven solutions, and influence the roadmap.
• Evaluate Emerging Tech : Stay at the forefront of ML/AI research and help integrate promising developments into real-world applications.

Ideal Background

• Advanced degree (MSc/PhD) in Computer Science, Statistics, Machine Learning, or related field
• 7+ years of hands-on industry experience, with recent leadership in ML initiatives
• Strong expertise in building and operationalising machine learning models
• Domain experience in at least one of the following: recommender systems, ranking algorithms, NLP, or information retrieval
• Proficient in Python and modern data science tooling
• Familiar with both relational and NoSQL databases
• Experience deploying ML solutions in production environments
• Excellent communication and stakeholder management skills