ML / AI Jobs in Spain
There are 169 open ML / AI jobs in Spain on freehire right now. 84 of them were posted recently. The skills employers ask for most often are machine-learning, python and ai.
Most requested skills
- machine-learning 82%
- python 72%
- ai 59%
- cloud 49%
- llm 38%
- pytorch 37%
- api 34%
- generative-ai 31%
How the work is done
- Hybrid 56 · 33%
- Remote 56 · 33%
- Onsite 10 · 6%
Visa sponsorship offered in 60% of the 15 postings that state a position on it.
Seniority
- Senior 53
- Intern 7
- Lead 6
- Junior 3
- Middle 2
- Staff 2
Who is hiring
- 1000+ employees 9
- 51-200 employees 5
- 11-50 employees 4
- 201-500 employees 1
- 501-1000 employees 1
AI Safety Practitioner - Fully Remote | Upto $70/hr
Fully remote contract role evaluating AI-generated responses for safety, factual accuracy, and policy compliance—reviewing sensitive content and applying RLHF/SFT evaluation rubrics to help improve model alignment for AI research labs. Pays $60–$70/hour.
AI Safety Practitioner - Expert Evaluator
Remote contract role at Mercor: evaluate AI-generated responses for safety, factual accuracy, and policy compliance. Day to day you review sensitive content, apply RLHF/SFT evaluation rubrics, flag unsafe or hallucinated outputs, and give structured feedback to AI researchers and safety teams.
Senior ML Engineer - Email Security (remote work)
CloudLinux is a global remote-first company. We are driven by our principles: do the right thing, employees first, we are remote first, and we deliver high-volume, low-cost Linux infrastructure and security products…
Senior ML Engineer - Malware Detection (remote work)
CloudLinux is a global remote-first company. We are driven by our principles: do the right thing, employees first, we are remote first, and we deliver high-volume, low-cost Linux infrastructure and security products…
Machine Learning Scientist II
At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and…
Machine Learning Engineer
About us Shalion is a data and insights-driven company that serves world-class manufacturers and brands globally. Through our Digital Shelf Optimization, Retail Media, and Food Service Aggregators solutions, we provide…
Data & machine learning engineer
Designs, builds, and maintains production data/ML services powering credit workflows at a fintech working-capital provider — productionizing credit risk and fraud models, exposing scoring APIs, and owning data pipelines and schemas. Core stack: Python, FastAPI, MLflow, Airflow, Docker, AWS, SQL.
Data / Ml Engineer (Freelance).Inglés
Freelance Data/ML Engineer joining a Spanish IT group to maintain data and machine-learning solutions already in production: BAU upkeep, troubleshooting data/technical incidents, and onboarding new clients onto existing pipelines. Core stack is Python, GCP, Airflow, MLflow, GitHub Actions, SQL and APIs.
AI Director - Machine Learning | Fully Remote
What we are looking for: We are looking for an experienced and passionate AI/Machine Learning Director to become a defining member of our Engineering team at Escape Velocity Entertainment. You will research, develop,…
Investigador/a Senior en Inteligencia Artificial
TECNALIA ¡¡Anímate y únete a TECNALIA!! En TECNALIA impulsamos el crecimiento sostenible y afrontamos los mayores retos tecnológicos de la humanidad transformándolos en oportunidades. Ayudamos a la sociedad y las…
Principal Machine Learning Engineer
Principal Machine Learning Engineer Up to €135,000 Paris or Barcelona (2 days a week in office) This is an opportunity to join a high-growth technology business where machine learning sits at the heart of the product.…
Senior Machine Learning Engineer (LLM)
Multiverse Computing Multiverse is a well-funded, fast-growing deep-tech company founded in 2019. We are the largest quantum software company in the EU and have been recognized by CB Insights (2023 and 2025) as one of…
Deep Learning Engineer
THEKER Robotics, a Barcelona-based robotics/AI startup, seeks a Deep Learning Engineer to design, train, and deploy AI models (computer vision, NLP, decision-making) that power its robots, optimizing for real-time performance and integrating models with robotics engineers. 100% on-site in Barcelona, using frameworks like PyTorch or TensorFlow.
Desarrollo en Inteligencia Artificial
Prácticas de Desarrollo en Inteligencia Artificial — Departamento de IT 📍 KH7 Lloreda | Canovelles En KH7 Lloreda queremos incorporar a una persona en prácticas al departamento de IT para ayudarnos a explorar y…
Senior Machine Learning Engineer
Senior ML Engineer on Comply365's new SafetyManager365 team in Barcelona, building and deploying production machine learning (mainly NLP) systems that help airlines analyze safety reports and operational data. Day to day: owning ML initiatives end to end with Python, the PyData stack (pandas, scikit-learn, PyTorch/TensorFlow) and MLOps tooling like MLflow, in a pairing-heavy, trunk-based engineeri
Freelance Machine Learning Developer (Python) - Up To $34 An Hour - Part Time - Remote
Freelance, part-time, fully remote role (Spain residents only) at Mindrift: design computationally intensive STEM problems and verify their Python solutions to help train generative AI models, on a flexible schedule paying up to $34/hour. Core stack: Python with numpy, pandas, scipy, and sklearn.