? About the role

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
producti

📌 Machine Learning Engineer (Barcelona)
🏢 Capitole
📍 Barcelona