Senior Software Engineer, MeshLab

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.

We're seeking a Software Engineers to build and lead Ditto's Mesh Lab automation initiative. The Mesh Lab is our internal device testing infrastructure where we validate Ditto's SDK performance across hundreds of physical devices representing real-world deployment scenarios. You'll transition our manual testing processes into a fully automated, scalable testing framework, ensuring the reliability of our technology across diverse hardware configurations, operating systems, and network conditions.

This is a unique opportunity to work at the intersection of hardware and software, building the testing infrastructure that validates our edge sync platform for customers in aviation, retail, government, and enterprise sectors.

What You'll Do

Test Automation & Framework Development

• Design and implement automated testing frameworks for Ditto's mobile SDKs across iOS, Android and Desktop platforms

• Build tooling and infrastructure to automate device testing workflows, eliminating manual intervention in SDK validation

• Develop Python-based automation scripts to orchestrate test execution across multiple devices simultaneously

• Create comprehensive test suites covering functional, integration, performance, and stress testing scenarios

Device Lab Management & Maintenance

• Manage and maintain the Mesh Lab's physical device inventory, including smartphones, tablets, IoT devices, and networking equipment

• Perform routine maintenance tasks including device restarts, firmware updates, and hardware troubleshooting

• Set up, configure, and provision new devices as they're added to the testing infrastructure

• Monitor device health, connectivity, and availability to ensure continuous testing capability

SDK Testing & Validation

• Execute comprehensive SDK testing across Ditto's supported platforms (iOS, Android, embedded systems)

• Validate peer-to-peer mesh networking, Bluetooth Low Energy, Wi-Fi Direct, and LAN connectivity across device combinations

• Test CRDT-based data synchronization, conflict resolution, and offline-first functionality

• Identify, document, and report bugs and performance issues to the SDK development team

Hardware & Network Testing

• Design and execute hardware compatibility testing across diverse device manufacturers, OS versions, and form factors

• Simulate real-world network conditions including latency, packet loss, and intermittent connectivity

• Test multi-device mesh scenarios with varying topology configurations

• Validate performance under stress conditions and edge cases

Collaboration & Documentation

• Partner with networking engineers and SDK teams to ensure devices meet testing requirements

• Document test procedures, automation workflows, and device configurations

• Create detailed test reports and metrics dashboards to track testing coverage and quality trends

• Collaborate with SDK and CICD engineering teams to improve testability and product quality

• Bachelor's degree in Computer Science, Electrical Engineering, or related field (or equivalent practical experience)

• 3+ years of experience in software development, test automation, or DevOps engineering

• Strong programming skills in Python (required for automation scripting)

• Experience with mobile application testing and understanding of iOS/Android development ecosystems

• Hands-on experience with test automation frameworks such as Appium, XCUITest, Espresso, or similar

• Familiarity with CI/CD concepts and tools (Jenkins, GitLab CI, CircleCI, or similar)

• Comfortable working with physical hardware, performing basic troubleshooting and maintenance

• Experience with version control systems (Git) and collaborative development workflows

• Strong analytical and problem-solving skills with attention to detail

• Excellent communication skills and ability to document technical processes clearly

Preferred Qualifications

• Experience building test automation frameworks from scratch or significantly scaling existing ones

• Knowledge of mobile SDK development and testing methodologies

• Familiarity with networking protocols (Bluetooth, Wi-Fi, TCP/IP) and distributed systems concepts

• Experience with device farm platforms (BrowserStack, AWS Device Farm, Sauce Labs, or similar)

• Background in embedded systems, IoT, or edge computing technologies

• Experience with test orchestration, parallel execution, and result aggregation

• Proficiency in additional programming languages (JavaScript, Swift, Kotlin, Java)

• Understanding of CRDT technology, peer-to-peer networking, or mesh networks

• Prior experience in hardware test engineering or working in device labs

• Familiarity with data analysis, metrics collection, and reporting tools
  

Relocation support is available where applicable

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.

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.

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.