Staff Engineer, Digital ASIC Design

Butterfly Network • Burlington, MA

1d • Hybrid

About The Position

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!

Requirements

• BS/MS/PhD in EE/CE (or equivalent practical silicon design experience).
• 8+ years (typical Staff level) in digital IC / ASIC / SoC design with substantial hands-on RTL ownership and at least one major-IP or full-chip tapeout cycle.
• Proven ownership of a defined digital IP/subsystem from micro-architecture and RTL implementation through verification closure and tapeout support.
• Strong RTL skills in SystemVerilog/Verilog, including pipelined datapaths, control logic/state machines, and high-throughput streaming interfaces.
• Experience designing sustained high-throughput datapaths, including buffering/FIFOs, arbitration/backpressure, bandwidth budgeting, and SRAM/memory interface considerations.
• Strong understanding of silicon-level design constraints, including clock/reset architecture, CDC/RDC risk mitigation, power-aware design, and PPA tradeoffs.
• Effective collaboration with verification to drive functional closure through signoff (SV/UVM and/or Python-based frameworks such as cocotb).
• Experience building and using bit-accurate reference models (e.g., Python) to validate fixed-point behavior and enable end-to-end checking.
• Experience supporting post-silicon bring-up/debug and silicon correlation, partnering with firmware/validation to root-cause issues and deliver fixes.
• Strong cross-functional communication to close hardware–firmware interfaces (register maps, control/status paths, data-plane contracts) with systems/firmware stakeholders.

Nice To Haves

• Experience implementing compute-intensive DSP pipelines (e.g., beamforming, filtering, noise reduction, MAC-heavy datapaths) with fixed-point design discipline.
• Exposure to ultrasound / medical imaging systems or sensor data acquisition pipelines and image-quality KPIs.
• Advanced-node experience (28nm or smaller), including timing sensitivity and third-party IP integration.
• (Optional, only if this matches the role) Experience integrating programmable compute subsystems (MPU/accelerator), including control interfaces and memory/bandwidth tradeoffs.

Benefits

• 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. 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!

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level