At Aristocrat, we are advancing gaming technology with modern, powerful solutions. Our mission is to bring happiness to life through play. We value collaboration, creativity, and a strong passion for excellence. We seek an ambitious ML/AI Engineer to join our team. You will help improve our AI capabilities and craft the future of our products. This role offers a chance to work on mature machine learning systems and pioneering AI technologies. You will make a real difference in our products and players' experiences.

What You'll Do
- Deploy machine learning models that support game features, player experience, and operational efficiency.
- Improve the code quality of others' work by refining SQL and Python scripts for data transformation, feature engineering, modelling pipelines, and AI app, thereby ensuring production readiness.
- Explore and contribute to early-stage projects involving LLMs, RAG systems, and agentic AI to power new types of automation and decision support.
- Develop or refine Streamlit-based tools (or alike)



that present ML/AI capabilities to non-technical users via intuitive and interactive interfaces.
- Help build and implement model monitoring systems to ensure long-term performance and business alignment.
- Collaborate with teams across product, data, and engineering to identify where ML and AI can bring value.
- Communicate results, limitations, and recommendations clearly across technical and business collaborators.

What We're Looking For
- 5+ years of experience applying machine learning to real-world problems, from data to deployment.
- Strong Python skills and hands-on experience with ML Python libraries.
- Solid SQL expertise and experience working with large data warehouses.
- Comfort working with cloud platforms (e.g., GCP, AWS, Azure), Docker, and Airflow.
- Ability to build simple user interfaces (e.g., Streamlit) to expose ML models or AI applications to wider teams.
- Hands-on experience building applications with Generative AI (LL

📌 ML/AI Engineer (Barcelona)
🏢 Aristocrat Technologies
📍 Barcelona