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Varian

Tech-enabled radiation oncology hardware and software

AI/ML Scientist - Neuroclinical AI

Computer VisionConfirmed live in the last 24 hours
Full-timePrinceton, NJ, USA$132.5k - $182.2kHybrid

About the Job

Requirements

  • A master’s or PhD in Computer Science, Electrical Engineering, Biomedical Engineering, Robotics, or a related field.
  • Two to five years of experience in AI/ML development in industry or academia.
  • Hands-on experience with Python and PyTorch or TensorFlow.
  • Experience developing and validating machine-learning models for medical imaging or computer-vision applications.
  • Strong problem-solving and analytical thinking skills.
  • Ability to clearly communicate technical concepts to technical and clinical audiences.

Responsibilities

  • Develop AI algorithms for real-time detection and tracking of interventional devices in live fluoroscopy and angiography sequences.
  • Develop 2D/3D fusion and registration methods to bring pre-procedural and intra-procedural 3D imaging and planning primitives into the live 2D angiographic view.
  • Build foundation models for interventional and neurovascular imaging, and distill them into compact, efficient models that meet real-time latency requirements on clinical hardware.
  • Build interventional digital twins and simulators of neurovascular anatomy, device behavior, and X-ray image formation for synthetic data generation and for training and evaluating device-navigation agents.
  • Translate clinical requirements for neurointerventional workflows into appropriate data, annotation, and model-performance requirements.
  • Perform validation and statistical evaluation of AI algorithms, including accuracy, robustness, and latency under realistic procedural conditions.
  • Coordinate data collection, data annotation, model development, and validation throughout the project lifecycle, often across multiple concurrent projects.
  • Contribute to intellectual property generation and peer-reviewed research in collaboration with clinical and technical stakeholders.
  • Propose and drive new AI/ML-based initiatives in image-guided neurointervention.
  • Stay abreast of developments in the field and maintain knowledge of state-of-the-art technologies and high-performance computing architectures.

Desired Qualifications

  • Experience with X-ray fluoroscopy, angiography, or cone-beam CT imaging, ideally in neurovascular or other interventional applications.
  • Experience with real-time object detection, segmentation, or tracking, particularly of thin or low-contrast structures in image sequences.
  • Experience with 2D/3D registration, multimodal image fusion, or 3D vascular modeling, such as vessel segmentation and centerline extraction.
  • Experience with large-scale self-supervised pretraining or foundation models, and efficient deployment techniques such as knowledge distillation, quantization, and optimized inference using TensorRT or ONNX.
  • Experience with simulation, digital twins, or synthetic data generation, such as digitally reconstructed radiographs or physics-based device or blood-flow simulation.
  • Experience with reinforcement learning, imitation learning, or robotic navigation, especially for autonomous or assisted catheter and guidewire navigation.
  • Familiarity with stroke and aneurysm procedures such as mechanical thrombectomy, endovascular coiling, and flow diversion.
  • Publications in venues such as MICCAI, IPCAI, IEEE TMI, Medical Image Analysis, CVPR, or NeurIPS.

About the Company

Varian

Tech-enabled radiation oncology hardware and software

Varian, part of Siemens Healthineers, focuses on oncology by providing integrated radiation oncology solutions that combine software, hardware, patient data, and care teams. Its offerings include treatment-planning software, radiation therapy machines, and data-management systems that work together to enable precise cancer treatments. The company differentiates itself through an integrated platform approach and services like Oncology-as-a-Service (OaaS), which lets healthcare providers adopt advanced radiation oncology with ongoing service support rather than large upfront investments. Varian serves healthcare providers such as hospitals and cancer centers, helping them deliver coordinated care and improve patient outcomes. Its goal is to reduce the fear of cancer by using data and technology to support clinicians in delivering effective treatments.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Palo Alto, CA
Founded
1948

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