Norbert Health

Signal Processing Engineer

Norbert Health$90K — $130K *
Healthcare
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Master's in Electrical/Biomedical Engineering or related field (PhD preferred)
  • Strong knowledge of digital signal processing and real-time systems
  • Expertise in physiological signal processing (PPG, ECG, etc.)
  • Experience with low-frequency signals and noise challenges
  • Proficient in Python for prototyping and C++ for production
  • Experience in spectral analysis and adaptive filtering
  • 5+ years in developing signal processing algorithms for medical applications

Responsibilities

  • Design and implement vital sign extraction algorithms from video
  • Develop real-time filtering and feature extraction methods
  • Build validation pipelines for video-based measurements
  • Design studies for synchronization between video and reference sensors
  • Integrate with C++ computer vision pipeline
  • Create cloud-based QA and automated verification systems
  • Prototype algorithms in Python and C++ for production

Benefits

  • Real impact on patient care through your work
  • High autonomy and technical ownership of projects
  • Opportunity to work at the cutting-edge of AI and healthcare
  • Join a diverse, talented, international team
  • Equity participation in the company's future
  • Exposure to advanced technologies like embedded AI and robotics
  • Mission-driven culture focused on continuous learning
Full Job Description
The position

We're looking for a Signal Processing Engineer to join our algorithm and development team, working on remote vital sign monitoring from video. You'll develop and validate algorithms that extract clinical-grade physiological signals (heart rate, blood pressure, respiration) from camera data, working closely with computer vision engineers in our algorithm team.

What You'll Do:
  • Design and implement signal processing algorithms for extracting vital signs from video-based sensors (rPPG, rBP)
  • Develop real-time filtering, denoising, and feature extraction methods to achieve clinical-grade accuracy
  • Build validation pipelines comparing our video-based measurements against clinical reference devices (ECG, PPG, BP monitors)
  • Help design studies that ensure millisecond-level synchronization between video streams and reference sensors for accurate ground truth
  • Integrate with the computer vision pipeline (C++) to leverage multi-modal signal enhancement techniques
  • Architect cloud-based QA and automated verification systems for reproducible algorithm validation
  • Prototype algorithms in Python and C++ before deploying them on our production system

What We're Looking For:
  • Master's degree in Electrical Engineering, Biomedical Engineering, or related field (or PhD)
  • Strong fundamentals in digital signal processing, statistical methods, and real-time systems
  • Deep expertise in physiological signal processing (PPG, ECG, respiration, blood pressure)
  • Experience processing low-frequency physiological signals with challenging SNR characteristics
  • Proficiency in both Python (prototyping) and C++ (production integration)
  • Experience with spectral analysis, adaptive filtering, and time-domain methods for real-time applications
  • Ability to work independently, solve complex problems, and drive projects to completion
  • 5+ years industry experience developing signal processing algorithms for medical or physiological sensing applications (or equivalent with PhD)

Bonus Points:
  • Experience with contact-based and contactless vital sign measurement technologies
  • Background working with medical-grade measurement devices and clinical reference standards
  • Experience with embedded signal processing (ARM, edge devices)
  • Knowledge of motion artifact removal and noise reduction in challenging environments
  • Familiarity with DevOps practices for reproducible research (experiment tracking, data versioning)
  • Background in medical devices, regulated environments, or clinical validation studie

What We Offer:
  • Real impact: your code provides care for patients today
  • High autonomy and technical ownership - you'll define our signal processing approach
  • Work at the intersection of cutting-edge AI, edge computing, and healthcare
  • A talented, excellent, diverse and international team
  • Talented, international team tackling meaningful problems in healthcare
  • Equity participation in the company's future
  • Cutting-edge stack: embedded AI, robotics, LLMs, multimodal sensing
  • Transparent, mission-driven culture focused on continuous learning
  • Competitive salary and equity

About Norbert Health

Norbert Health is a healthcare technology company that provides a platform for patients to connect with healthcare providers and manage their health information. The company's platform is designed to improve patient outcomes and reduce healthcare costs by providing patients with access to their medical records, appointment scheduling, and other healthcare services. Norbert Health was founded in 2018 and is headquartered in Beverly, Massachusetts.
Learn more about Norbert Health
Size
10 employees
Industry
Founded
2018

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