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Aristocrat

ML/AI Engineer

Aristocrat

ML/AI Engineer crafting the future of gaming products at Aristocrat. Improving AI capabilities and deploying machine learning models for enhanced player experiences.

Posted 7/5/2026full-timeBarcelona • 🇪🇸 SpainMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
AirflowAWSAzureCloudDockerGoogle Cloud PlatformPythonSQL

About the role

Key responsibilities & impact
  • 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.

Requirements

What you’ll need
  • 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 (LLMs), including API integration.
  • Interest or early experience in RAG systems—whether through prototypes, side projects, or professional work.
  • Interest or familiarity with agentic AI concepts or frameworks (e.g., LangChain agents, CrewAI) is a plus, but not a must.
  • Curiosity, initiative, and a desire to learn and grow in a fast-evolving space.
  • Degree in a relevant technical field or equivalent experience.

Benefits

Comp & perks
  • Opportunities to elevate their careers
  • Opportunities to grow alongside us

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
Machine LearningData TransformationFeature EngineeringModelling PipelinesPythonSQLGenerative AIStreamlitAPI IntegrationRAG Systems
Soft Skills
CuriosityInitiativeDesire to Learn