As an AI Model Engineer, you will be responsible for the end-to-end lifecycle of our AI models. You will develop, train, evaluate, and optimize models and datasets, ensuring every experiment is reproducible and delivers measurable performance improvements.

You will bridge the gap between raw data and production-ready intelligence.

?Day-to-day life

Operational & Tactical Management

Train and fine-tune models independently using state-of-the-art frameworks.
Design rigorous experiment plans, including benchmarking and ablation studies, to drive model evolution and improvement.
Design dataset preparation, filtering, and versioning strategies and tools to ensure high-quality training data.
Define evaluation protocols, apply model optimisation techniques, and export models for specific production targets.
Maintain reproducible experiment pipelines and produce detailed technical evaluation reports.

Strategic Contribution

Workflow Improvement by proposing and implementing enhancements to internal training and evaluation workflows.




Contribute to the definition of model engineering standards and review experiment pipelines developed by junior team members.
Coordinate with Production Engineers on model I/O and constraints, and support external technical demos or presentations.

? Our Soulmate

Soft Skills

A meticulous approach to testing and documenting results.

Ability to identify bottlenecks and propose technical solutions.

Skilled at translating complex model behaviors into clear reports and collaborating across teams.

A continuous learning mindset and receptiveness to peer feedback.

Experience

3-6 years of experience in AI Model Engineering

Degree in Computer Science, Data Science, Mathematics, or a related field.

Deep understanding of the AI model lifecycle, MLOps fundamentals, and model optimization.

Proficiency in both English and Spanish is required.

? You will rock it if

You feel identified with this technical knowledge:

AI & Model Engineering
Framew

📌 Model IA Engineer (Barcelona)
🏢 Fluendo
📍 Barcelona