Canva is seeking a Senior Machine Learning Engineer to focus on the data foundations for their multimodal agent research. This role involves building and maintaining data pipelines, datasets, and tooling for training and evaluation loops, with a focus on text, image, and multimodal sources. The engineer will collaborate with researchers to translate requirements into data specifications, create evaluation datasets, and develop tooling for data construction, including human annotation and synthetic data generation. The role also emphasizes data quality, documentation, and implementing ML DevOps practices.