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About Ditto:
Ditto is redefining how data moves at the edge. Our mission is to make it seamless for developers to build resilient, real-time applications, regardless of network conditions. Whether you're in a stadium, airplane, or remote military base, Ditto's peer-to-peer sync engine ensures devices stay connected and data stays consistent, even without internet. With more than $145 million in funding and trusted by organizations like Chick-fil-A, Delta Airlines, and the U.S. military, Ditto powers mission-critical experiences across aviation, retail, travel, hospitality, defense, and more. As a globally distributed, fast-growing startup, we're committed to building a diverse and inclusive team that reflects the wide range of perspectives needed to solve the world's hardest connectivity problems.
About Ditto:
Ditto is on a mission to unleash the full power of edge devices by removing all the
plumbing required to build amazing applications. We bridge the digital divide by
enabling real-time data synchronization-even when internet connectivity is limited or
non-existent. Our peer-to-peer technology is trusted by major customers like Chick-fil-A
and Delta Airlines, and we also work closely with the U.S. and allied military and first
responders on mission-critical connectivity solutions. As a fast-growing startup poised
for a future IPO, our team is globally distributed, and our core values are trust,
communication, and continuous improvement. We celebrate diversity and strive to
create a team that encompasses a wide range of backgrounds, skill sets, and
perspectives.
About the position:
As a Senior Android Engineer, you will play a pivotal role in building mission-critical
Android applications that support emergency responders and public sector customers in
the field. Your work will directly enable first responders, emergency management
teams, and defense personnel to maintain situational awareness and communicate
effectively during life-saving operations-even in environments with limited or no
connectivity. You'll craft robust user interfaces for handheld radios and situational
awareness software, working at the intersection of application development and low-
level hardware integration.
From day one, you'll own the full development lifecycle: building Android UI components
for critical field applications, integrating with peripheral devices like handheld radios,
USB hardware, and network adapters, writing and maintaining FFI bindings between
Kotlin/Java and native C/C++ code, authoring comprehensive automated tests, and
streamlining CI/CD pipelines for reliable releases. You'll work directly with public sector
customers and field personnel to diagnose integration issues, conduct field testing to
ensure applications perform flawlessly under real-world emergency conditions, and
iterate quickly on feedback from those whose lives depend on your work.
You'll join a dedicated US-based team that values trust, clear communication, and
continuous improvement. In our async-first culture, your written design docs and code
reviews carry as much weight as face-to-face meetings, and occasional field
deployments and offsite gatherings bring us together to test our solutions in real-world
scenarios. If you're passionate about Android development that saves lives, low-level
systems integration, mentoring teammates on best practices, and delivering world-class
applications for mission-critical use cases, this is the role for you.
As a Senior Android Engineer, you will:

• Build life-saving Android applications: Design and implement intuitive,

responsive user interfaces for situational awareness software and handheld radio
integration using modern Android development practices, ensuring excellent user
experience and reliability in mission-critical field operations.

• Integrate with emergency response hardware: Work with handheld radios,

USB devices, network adapters, and other field equipment, implementing robust
communication protocols and handling edge cases in device connectivity for first
responders.

• Build and maintain native code integration: Implement safe, efficient Foreign-

Function Interface (FFI) bindings between Kotlin/Java and native C/C++ libraries,
adhering to best practices for memory management, threading, and error
handling.

• Support field operations: Travel occasionally to support testing and

deployment with emergency response teams, public sector customers, and field
personnel, ensuring applications perform reliably under real-world conditions.

• Ensure device and OS compatibility: Manage Android configurations and

platform quirks to deliver seamless application behavior across diverse device
architectures, Android versions, and hardware capabilities used in emergency
response scenarios.

• Develop comprehensive test suites: Write and automate unit, integration, and

end-to-end tests (including UI tests and native interop scenarios) to continuously
validate application functionality and guard against regressions in mission-critical
software.

• Integrate with CI/CD pipelines: Collaborate with the Release and QA teams to

embed your tests into continuous integration workflows, monitor release quality,
and iterate rapidly on customer feedback.

• Partner with field teams and customers: Triage and resolve customer-

reported issues from emergency response personnel, debug edge-case failures
in field deployments, and feed learnings back into product and engineering
roadmaps.

• Mentor and evangelize best practices: Share your expertise in Android

development, native code integration, and hardware interfacing through design
reviews, brown-bags, and one-on-one coaching to level up the entire team.
What you'll need:

• 4+ years of professional software development experience: Proven track

record of delivering production-quality Android applications in a team setting.

• Deep expertise in Android development: Hands-on experience building

Android applications with Kotlin and Java, including modern UI development with
Jetpack Compose or Views, understanding Android SDK architecture, lifecycle
management, and performance optimization.

• Strong C/C++ programming skills: Proficiency in C or C++ for native Android

development, with experience using JNI/NDK to bridge between Kotlin/Java and
native code in an FFI context.

• Experience with hardware peripherals: Practical experience interfacing with

USB devices, network adapters, or other hardware peripherals from Android
applications.

• Willingness to travel for field testing: Ability to travel occasionally to support

testing, deployment, and training with customers and field personnel in various
locations.

• Debugging and diagnostic chops: Ability to read native stack traces, interpret

logs and memory dumps, and troubleshoot issues across the Android stack from
UI to native code.

• Test automation and CI/CD fluency: Experience designing and implementing

unit, integration, and UI tests, and integrating them into automated build and
release pipelines.

• Excellent communication skills: Strong written and verbal communication to

thrive in an async-first, distributed team-drafting clear design docs, participating
in code reviews, and coordinating with customers and stakeholders.
Nice to Haves:

• Experience with Kotlin Multiplatform (KMP) for cross-platform mobile

development

• Familiarity with Rust programming language and basic understanding of systems

programming concepts

• Experience with Voice over IP (VoIP), radio communications systems, and/or

amateur radio operator experience

• Networking knowledge: Understanding of TCP/IP stack, network protocols,

REST, TCP/UDP, QUIC, Bluetooth Low Energy, and other communication
protocols

• Experience with build and release automation: Proven ability to publish Android

applications and configure Gradle and CI pipelines for distribution

• Track record of open-source contributions: Demonstrated involvement in Android

projects-whether through libraries, tooling, or community support-that
showcases collaborative development and code quality
The Benefits of Building with Us
We offer competitive salaries and meaningful equity. We believe everyone on the team should have a stake in what we're building. Benefits vary by region to make sure you're covered in the ways that matter most. In the US, that includes health, dental, vision, life, and disability insurance, plus a 401(k) and flexible spending accounts.
Regardless of where you live, everyone at Ditto can utilize flexible time off. And while we work remotely, our Atlanta and San Francisco offices are open if you ever want a place to work or meet up with teammates.
Apply Anyway
At Ditto, we know game-changers don't always come wrapped in a "perfect" resume. Years of experience? Every single bullet point checked? Meh. That's not what drives us.
What does matter?

• Grit.
• Curiosity.
• Adaptability.
• And a genuine spark for what we're building.

So if you're fired up about our mission but not sure you tick every box - hit that apply button anyway. Use your application to show us how you'll make an impact here.
We're always on the lookout for exceptional humans who want to grow, stretch, and build something meaningful with us.
Equal Opportunity Employer
Ditto is proud to be an equal-opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristics. Ditto is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please let us know.