We are seeking an experienced
Senior Data Scientist
to lead the design, development, and deployment of advanced machine learning systems — including LLM-based applications — as part of a high-impact data-driven initiative. This role is ideal for someone with deep technical knowledge, experience with mentoring, and a strong grasp of production-level ML and MLOps practices.
About the Role
Title:
Senior Data Scientist Experience:
5+ years Location:
Spain (Remote) Employment Type:
Full-time (Contractual-basis)
Key Responsibilities
• Design, build, and deploy
advanced ML models
(regression, classification, NLP, etc.). • Architect and implement deep learning pipelines using
PyTorch and/or TensorFlow .
• Develop and fine-tune
LLM-based applications
(e.g., RAG pipelines, prompt engineering, embeddings). •
Lead and mentor
junior data scientists and drive code quality and reuse. • Apply MLOps practices:
CI/CD for ML, model monitoring, reproducibility. • Write basic
SQL queries
to support data processing and feature engineering. •
Collaborate cross-functionally
with product, engineering, and data engineering teams.
Requirements •
5+ years
of experience in machine learning and AI. • Expert in
Python, data science libraries, and deep learning frameworks. • Strong knowledge of regression, classification, optimization algorithms, and evaluation metrics. • Hands-on experience with
PyTorch or TensorFlow
(preferably both). • Proven experience working with
LLMs
and prompt-based models. • Experience in MLOps and deploying ML models to production. • Basic proficiency in SQL for querying structured data. • Proficient in using
Git/GitHub
for collaborative development.
Good to Have • Experience building or integrating AI agents using LangChain, AutoGen, or similar tools. • Knowledge or experience with reinforcement learning algorithms. •
Ideally bi-lingual: Fluent English and Fluent Spanish
Location: Spain
Start: ASAP
Duration: Initially 6 months with extension
If this job description aligns with you - or someone who you know is qualified - please attach and send your resume to, with a good phone number and time to reach out to you for a quick conversation.
Best regards, Brian Scott
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