Senior Data Scientist/ML Engineer Lisboa

Overview

KLx is the Portuguese subsidiary of Crédit Agricole S. A. , a large international banking group that provides IT Skills & Software Development services to the IT organizations within the group's business lines. Our mission is to assist with the IT transformation & activities of a worldwide bank capitalizing on all the skills from our international campus in Lisbon.

Responsibilities

• Design & Deploy: Create machine learning models and AI solutions.
• Innovate: Fine-tune and extend Large Language Models (LLMs) including source and commercial models.
• Optimize: Implement Retrieval-Augmented Generation (RAG) techniques for enhanced model efficiency.
• Analyze: Perform exploratory data analysis and feature engineering to unlock better model performance.
• Build Generative AI: Develop edge models for content creation, process automation, and innovation.
• Apply Traditional ML: Utilize decision trees, SVMs, neural networks, and more to solve diverse problems.
• Collaborate: Work alongside data engineers, product managers, and stakeholders.
• Quality Assurance: Ensure quality AI solutions through rigorous testing and validation.
• Document & Share: Maintain technical documentation for knowledge sharing and reproducibility.

About You

• Bachelor’s or Master’s in Computer Science, Data Science, Machine Learning, or similar.
• 3+ years of experience in machine learning and AI development.
• Skilled in Generative AI, including model training, tuning, and deployment.
• Experience with both source and commercial large language models (LLMs).
• Proficient in Python with frameworks like Tensor
  Flow, Py
  Torch, and Hugging Face.
• Solid understanding of Natural Language Processing (NLP) techniques.
• Familiar with traditional AI/ML methods like decision trees, SVMs, and neural networks.
• Experience with cloud platforms (AWS, GCP, or Azure) for AI/ML deployments.
• Strong problem solving, analytical skills, and effective communication.
• Fluent in English; French is a plus.

Nice-to-Have Skills

• Knowledge of reinforcement learning from human feedback (RLHF).
• Familiarity with prompt engineering.
• Understanding of ethical AI principles and model interpretability.

What We Offer

• Competitive Salary + Bonus + Flex Benefits + Health Insurance;
• Hybrid working model, allowing you to combine onsite and offsite work;
• Open Space with a lovely location next to Tejo, 5 minutes’ walk from Metro and Train Station, 15 minutes’ drive from Humberto Delgado’s airport;
• Parking upon request (option to charge electrical cars);
• Free coffee, hot chocolate and fruits.
• Training (Hard and Soft Skills);
• International environment with more than 15 nationalities.
• A people oriented and friendly working environment