Senior Data Scientist – Machine Learning / Deep Learning | Madrid | Híbrido
Senior Data Scientist required to lead machine learning, deep learning projects in European advanced AI development. Remote/mixed in Madrid.
Responsibilities
* Design, develop and optimise machine learning and deep learning models for project use cases.
* Implement advanced solutions in Python using foundational libraries such as NumPy, pandas, scikit‑learn or SciPy.
* Train, tune and evaluate neural network architectures (Transformers, RNN, LSTM, GRU) in frameworks like TensorFlow, PyTorch or Keras.
* Apply NLP techniques with tools such as Hugging Face Transformers and spaCy.
* Fine‑tune language models (LLMs) such as GPT, BERT and variants.
* Integrate models into MLOps platforms (Kubeflow, BentoML).
* Collaborate on containerisation and deployment of services using Docker and Kubernetes.
* Contribute to applied research and experimentation in advanced AI.
* Document processes, results and conclusions in technical reports.
Qualifications
* Higher degree in computer science, telecommunications, software engineering, physics, mathematics or related engineering discipline.
* Minimum 3 years of experience as Data Scientist working with machine learning or deep learning.
* Advanced domain knowledge of Python and data science libraries (NumPy, pandas, scikit‑learn, SciPy).
* Experience with deep learning frameworks such as TensorFlow, PyTorch or Keras.
* Knowledge of neural network architectures (Transformers, RNN, LSTM, GRU).
* High level English proficiency.
Benefits
* Stability and long‑term projects in a defense‑sector leader.
* Innovative and high‑scope projects with cutting‑edge technologies.
* Collaborative and open work environment with transparent communication.
* Autonomy and flexibility with real and adapted conciliation.
* Career path tailored to individual growth and development.
* Continuous training via Open University and Udemy courses.
* Wellness discounts and benefits for gyms, restaurants, shops, leisure.
* Competitive remuneration and flexible compensation plans.
We are committed to promoting environments of work in which people are treated with respect and dignity, encouraging professional development and guaranteeing equality of opportunity in selection, training and promotion, offering a work context free of discrimination due to gender, age, disability, sexual orientation, gender identity or expression, religion, ethnicity, marital status or any other personal or social circumstance.
Equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, sexual orientation, gender identity or expression, veteran status, national origin, disability, age or any other protected characteristic.
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