ml engineer in gaming technology

Aristocrat advances gaming technology through modern solutions, gaming content, and technology for B2B customers, casino games, and free-to-play mobile games. The company focuses on responsible gameplay, governance, employee wellbeing, and sustainability.

• Deploy machine learning models supporting 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 applications;
• Explore and contribute to early-stage projects involving LLMs, RAG systems, and agentic AI for automation and decision support;
• Develop or refine Streamlit-based tools that present ML/AI capabilities to non-technical users through intuitive and interactive interfaces;
• Help build and implement model monitoring systems for long-term performance and business alignment;
• Collaborate with product, data, and engineering teams to identify opportunities for ML and AI;
• Communicate results, limitations, and recommendations clearly to technical and business collaborators.

• 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;
• Experience with cloud platforms such as GCP, AWS, or Azure, Docker, and Airflow;
• Ability to build simple user interfaces such as Streamlit to expose ML models or AI applications to wider teams;
• Hands-on experience building Generative AI applications with LLMs, including API integration;
• Interest or early experience in RAG systems through prototypes, side projects, or professional work;
• Curiosity, initiative, and a desire to learn and grow in a fast-evolving space;
• Degree in a relevant technical field or equivalent experience;
• Nice to have: familiarity with agentic AI concepts or frameworks such as LangChain agents or CrewAI.

• Minimal travel required, up to 5%;
• Robust benefits package;
• Global career opportunities;
• Candidates must be authorized to work in Barcelona without current or future visa sponsorship;
• Work visas are not sponsored for this position.