We are looking for a Machine Learning Engineer / AI Engineer to join an international team working on Machine Learning, NLP and Generative AI solutions.

You will be part of a small squad of 5–6 people working across different AI projects, including solutions such as GenAI-powered assistants and chatbots.

This is a highly hands-on role: more than 90% of your time will be focused on coding, developing ML solutions and designing technical solutions, working closely with other Machine Learning and Engineering profiles.

We are looking for someone with a strong Python and Machine Learning engineering background, ideally with experience taking AI/ML solutions into production.

What you'll do
- Develop and implement Machine Learning and AI solutions using Python.
- Work on NLP, Generative AI and/or LLM-based projects.
- Design and develop ML solutions from experimentation through to production.
- Work with data processing and ML libraries such as pandas, scikit-learn and PyTorch.
- Evaluate ML models and systems using appropriate performance metrics.




- Contribute to production-ready code following Git, Pull Request and code review practices.
- Collaborate with Machine Learning Engineers and other technical profiles to move models and solutions into production.
- Participate in the design of technical solutions and end-to-end ML pipelines.
- Explore and evaluate new approaches and technologies in AI/ML.
- Work in an international environment where English is the main language of communication.

Must Have
- 3–5 years of professional experience in Machine Learning, AI Engineering, Data Science or Software Engineering with a recent transition into AI/ML.
- Strong Python programming skills and experience developing structured, maintainable code.
- Hands‑on experience with Machine Learning models and libraries, such as scikit‑learn, PyTorch or similar.
- Experience working with NLP, Generative AI or LLM technologies.
- Experience developing production‑ready ML/AI solutions or

📌 Machine Learning Engineer (Barcelona)
🏢 Capitole
📍 Barcelona