Staff Software Engineer, Android

Butterfly Network, Inc.

. Build native Android apps that reinvent the ultrasound user experience for mobile devices .

Posted 11/1/2026full-timeRemote • United StatesLead💰 $165,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in native Android application development with a strong focus on Kotlin, Jetpack Compose, and modern software architecture. Experienced in collaborating with cross-functional teams to enhance medical imaging solutions and mentor engineering talent.

Highest-signal resume keywords

Native Android Application DevelopmentKotlin ProgrammingJetpack ComposeJUnit Unit TestingDeep Learning Applications

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

KotlinCoroutinesJetpack ComposeJUnitEspressoJNI/NDKGradleOpenGL ESVulkanPython

Soft Skills

Problem SolvingCollaborationMentoring

Tools & Technologies

GraphQLDevice SoftwareImaging ScienceTelemedicineButterfly iQ

Industry Keywords

Medical ImagingUser ExperienceSoftware ArchitectureSecurity PoliciesCloud Computing

Tech Stack

Tools & technologies

AndroidCloudGradleGraphQLiOSJUnitKotlinPythonC++

About the role

Key responsibilities & impact

Build native Android apps that reinvent the ultrasound user experience for mobile devices
Champion continuous improvement of software architecture and team processes
Collaborate with product managers and designers to deliver solutions to complex problems
Work with hardware, cloud, machine learning, control software, and imaging science teams on cross-cutting features
Participate in user research sessions to understand real-world product use
Collaborate with Android and iOS developers to clarify ambiguous requirements through iterative problem-solving
Work with product managers, designers, and clinical professionals to develop medical imaging experiences
Produce high-quality, efficient, well-tested modern Kotlin code
Follow established architecture patterns and evolve the codebase
Work in a complex codebase with internal Android modules managed by Android, Device Software, Imaging, and AI teams
Mentor engineers at all levels
Work on deep learning applications, telemedicine, and Butterfly iQ device integration
Use Kotlin, Jetpack Compose, Coroutines/Flow, and GraphQL
Break requirements into actionable engineering tickets

Requirements

What you’ll need

Bachelor of Science in Computer Science, Engineering, or related field
Track record of professional achievement and problem solving
5+ years of native Android application development
Strong grasp of Kotlin and coroutines/reactive framework design patterns
Strong grasp of Jetpack Compose and View-based UI Development
Strong grasp of JUnit unit testing and knowledge of UI automation (Espresso)
Candidates must be authorized to work in the United States
Butterfly Network will not provide immigration sponsorship
Must adhere to company security policies and procedures, securely use company assets, complete security awareness training, safeguard company data and systems, and report security incidents
Ideally: experience with JNI/NDK bridging layers to native C++ code
Ideally: experience with Gradle multi-module builds and modularized Android app architecture
Ideally: knowledge of graphics rendering and image processing using OpenGL ES or Vulkan
Ideally: Python and C++ experience

Benefits

Comp & perks

Comprehensive health insurance, encompassing dental and vision coverage
Option to buy enhanced health insurance coverage
Annual Health Savings Account (HSA) contributions for enrolled employees
Comprehensive Employee Assistance Program
401k plan and match
Employee Stock Purchase Plan (ESPP) for eligible employees
Unlimited Paid Time Off
10 Holiday Days a Year
Parental Leave
Additional benefits for primary caregivers returning from leave
Competitive salaried compensation
Equity
Opportunity to build a revolutionary healthcare product and save millions of lives