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Senior ML/LLM Engineer (API & Fullstack) - English Mandatory

Sopra Steria ES
Location 📍 barcelona, Spain
Posted 📅 May 25, 2026
Work Type ⏰ Full-time

Position Overview

Job Description

This role is for a Senior ML/LLM Engineer with strong data science capabilities and a significant focus on API development and full-stack engineering principles . They will be responsible for the end-to-end lifecycle of machine learning solutions, from model conception and development to building robust, scalable APIs and integrating them into production applications.

Qualifications

  • Statistical Models & Machine Learning: Develop, test, and validate statistical and machine learning models in Python. Explore, select, and prepare datasets, including feature engineering using libraries such as NumPy , Pandas , Polars , and SciPy .
  • Advanced ML Libraries: Develop and implement classification, regression, and other predictive models leveraging libraries such as Scikit-learn , XGBoost , LightGBM , CatBoost, and deep learning frameworks like TensorFlow/Ker...

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Job Details

Employment Type
Full-time
📊
Category
Informática y tecnología
🏠
Work Arrangement
On-site
📍
Location
barcelona, Spain