Principal Imaging Engineer

At Butterfly Network, we’re leading a digital revolution in medical imaging, transforming an industry that has long relied on bulky, analog systems. With our proprietary Ultrasound-on-Chip™ technology, we’re democratizing healthcare by shifting ultrasound from the expensive, stationary systems of the past to the connected, mobile, and software-enabled platforms of today.  In 2018, we launched the world’s first handheld, whole-body ultrasound, Butterfly iQ – followed by iQ+ in 2020 and iQ3 in 2024, each more powerful than the last.

Our innovation doesn’t stop at hardware. Butterfly combines our advanced device with intelligent software, AI, services, and education to drive adoption of affordable, accessible imaging. Our technology is proving to help clinicians, clinics, and hospitals enhance care, cut costs, and expand imaging access. We’ve been recognized by Prix Galien USA, Fierce 50, TIME’s Best Inventions, Fast Company’s World Changing Ideas, among other awards.

We’re a team of bold thinkers, problem-solvers, and innovators ready to shape the future of medical imaging. Let’s build something extraordinary together!

Do you consider yourself one of the best ultrasound imaging engineers in the world?  Do you love the mathematics associated with beam forming the complex sound echoes returning from the body.  Do you like to create the hardware and software that accelerate algorithms beyond what others believe possible?  Do you like to modify algorithms to achieve even more efficient results?  Do you enjoy collaborating with similarly talented and driven individuals?  Would you like to be part of the nimble, elite Ultrasound Imaging Team at the most progressive ultrasound producer in the medical device industry? If so, this role is for you.

The Imaging team at Butterfly Network are the experts that work at the intersection of all critical components of our business to make Butterfly’s magic happen. We work with our customers to correlate their clinical needs with our technical specifications.  We innovate all of the ultrasound modes (b-mode, color imaging, 3D, PWD, biplane, needle-viz) that delight our customers.  We champion hardware and software architectures required to achieve our clinical performance objectives.  We are the integrators, optimizers, and champions of Image Quality for every clinical application.

Join this team and help us change healthcare around the world.

As part of our team, your core responsibilities will be:

• Developing new or evolving existing ultrasound modes
• Owning specific clinical applications (e.g. cardiology), and becoming expert in the
    clinical needs of that community
• Working closely with our clinical team to optimize your application for image quality
• Partnering with our HW, SW, Transducer and ASIC teams to advance next generation
    devices and to innovate advanced processing algorithms
• Owning specific parts of our image processing pipeline (e.g. frequency compounding,
    scan conversion).  Implement these processes using Python, C++, or GPU coding
• Performing a broad variety of tasks in support of the role and responsibilities.

Baseline skills/experiences/attributes:

• M.S. or PhD in EE, Physics, or related field
• Industry or academic experience in diagnostic ultrasound or related field (5+ years)
• Fundamental knowledge of basic ultrasound modes: B-mode, Doppler Color Flow
    Imaging, etc
• Understanding of beamforming, diffraction, synthetic aperture fundamentals
• Passionate and competent at working closely with the hardware
• Strong software skills, especially in C, C++, Cuda, OpenCL, Python
• Strong modeling skills using both Python and Matlab
• Advanced Mathematical, Signal and Image Processing skills

Ideally, you also have these skills/experiences/attributes (but it’s ok if you don’t!):

• Project leadership skills, with the ability to coordinate the activities of colleagues
• Basic knowledge of electrical analog and digital circuits
• Ability to design and program FPGA’s using Verilog
• Understanding of human physiology, especially as it relates to ultrasound
• Familiarity with different GPU hardware and development environments: example
    Vulcan)

Innovation is what we do. Our values are how we make it happen. Butterflies are and believe in…

• Patient-Centric Innovators: Our mission is THE mission.
• Empowered to Impact: Every voice matters.
• One Team, One Goal: Unity fuels progress.
• Growth Champions: We embrace challenges.
• Action-Oriented Achievers: We follow through, every time.

Butterfly offers a hybrid work model for most positions, with team members spending two or more days a week in the office. While flexibility is key, we value in-person connections that spark creativity and teamwork. Our offices are designed for collaboration, with comfortable workspaces, stocked kitchens, and opportunities to connect with peers.

This is a hybrid position and will be based out of our office in Burlington, MA. Our office is located near the Burlington Mall in an area called ‘The District'. You’ll have access to community spaces, including an 8,000 SF state of the art fitness center and the OMMM Yoga and Meditation Studio.

• Comprehensive health insurance, encompassing dental and vision coverage, is provided to all our employees. As a health-tech company, we prioritize the well-being of our teams. Additionally, employees have the option to buy up for enhanced health insurance coverage. We also contribute to Health Savings Account (HSA) accounts for all enrolled employees on an annual basis.
• Comprehensive Employee Assistance Program - we provide access to tools and resources to support your emotional health and day-to-day needs.
• 401k plan and match - we facilitate your retirement goals.
• Eligible employees will have the opportunity to participate in Employee Stock Purchase Plan (ESPP)
• Unlimited Paid Time Off + 10 Holiday Days a Year - recharge and come back ready to make an impact
• Parental Leave - we aim to provide our employees with time to bond with their growing family, along with additional support for primary caregivers to help transition back to work 
• Competitive salaried compensation - we value our employees and show it 
• Equity - we want every employee to be a stakeholder
• The opportunity to build a revolutionary healthcare product and save millions of lives! 

Our estimated salary for this role is between $150,000 - $170,000 + bonus + equity + benefits. Actual pay is determined by multiple factors such as skills, qualifications, experience and market demand.

For this role, we are only considering candidates who are legally authorized to work in the United States and who do not now or in the future require sponsorship for employment visa status.

Butterfly Network does not accept agency resumes.

Butterfly Network is an E-Verify Company. 

Butterfly Network is an equal opportunity employer.  Regardless of race, traits associated with race, color, ancestry, religion, gender, national origin, sexual orientation, age, citizenship, marital status, disability or Veteran status. All your information will be kept confidential according to EEO guidelines.

Butterfly requires security adherence responsibilities from all employees. These include:  adhering to all company security policies and procedures, utilize provided company assets securely, and complete all required security awareness training programs. Safeguarding company data and systems from unauthorized access, modification, or destruction, contributing to the overall security posture of the organization. Immediately reporting any suspected or actual security incidents, including phishing attempts, malware infections, or unauthorized access, following the established incident response procedure

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