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Altis Labs
Senior Machine Learning ScientistAltis Labs • Winnipeg, Canada
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Senior Machine Learning Scientist

Senior Machine Learning Scientist

Altis Labs • Winnipeg, Canada
17 days ago
Job type
  • Full-time
Job description
Altis Labs is the computational imaging company accelerating clinical trials with AI. We are on a mission to help get the most effective novel treatments to patients sooner. Top 20 biopharma sponsors like AstraZeneca, Johnson & Johnson, and Bayer Pharmaceuticals use our AI models trained on the industry's largest cancer imaging database to measure treatment effect with greater confidence. Our fully-automated AI models predict efficacy from clinical trial imaging data so that sponsors can optimize trial design and accelerate development of their most promising drugs. Founded in 2019, Altis is a venture-backed AI company headquartered in Toronto. We are actively growing our team in Canada and the US across functional areas. About the Position We're looking for a

Senior Machine Learning Scientist

to help solve one of the hardest problems in medical AI: predicting time-to-event outcomes from high-dimensional 3D imaging data. This is technically demanding work with massive implications for the healthcare industry. What makes this role compelling: Unusually rich data:

Access to large, diverse patient datasets with longitudinal outcomes across multiple cancer types Novel methodology:

We're developing approaches that push beyond standard practices in medical imaging AI Multi-cancer generalization:

Building methods that transfer across cancer types, not one-off solutions Design and implement deep learning architectures for 3D volumetric medical imaging (CT, PET, MRI) Develop survival models that handle censored outcomes, competing risks, and the statistical nuances of time-to-event prediction Optimize training pipelines to efficiently process large-scale imaging datasets on cloud GPU infrastructure Collaborate with our ML team to establish best practices and push the state of the art Contribute to research publications and present findings at conferences Qualifications: 7+ years of experience in machine learning, with substantial work in computer vision or medical imaging PhD in machine learning, computer vision, statistics, or a related field preferred; exceptional industry track record considered Deep expertise in 3D vision—experience with volumetric architectures (3D CNNs, Vision Transformers for 3D data, etc.) Strong foundation in survival analysis and time-to-event modeling (Cox models, deep survival models, competing risks) Proven ability to train large models efficiently at scale—you understand distributed training, memory optimization, and what it takes to iterate quickly on big data Proficiency with PyTorch and modern ML infrastructure Track record of impactful research (publications, deployed systems, or equivalent demonstrations of technical depth) Nice to have: Experience with medical imaging foundation models or self-supervised learning on unlabeled imaging data Background in uncertainty quantification: calibrated predictions, conformal prediction, Bayesian deep learning Familiarity with oncology, radiology, or regulated healthcare environments Competitive pay and generous equity participation Coverage for medical, vision, and dental insurance

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Senior Machine Learning Scientist • Winnipeg, Canada

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