Contribute to the design, build, evaluation, shipping, and refinement of systems that improve Spotifyβs promotional performance with hands-on ML development. Collaborate with a multidisciplinary team to optimize machine learning models for production use cases, ensuring they are highly efficient, scalable, and consistently meet well-defined success criteria. Influence the technical design, architecture, and infrastructure decisions to support new and diverse machine learning architectures. Work with Data and ML Engineers to support transitioning machine learning models from research and development into production. Implement and monitor model success metrics, diagnose issues, and contribute to an on-call schedule to maintain production stability.