Senior Software Engineer - React Native

About the role:

The Routing team is at the forefront of building one of Samsara's most ambitious mobile experiences: a critical tool designed to empower drivers in the field, keeping them safe, efficient, and on track. This is a deeply technical and high-impact problem space, demanding innovation in blending real-time data, thoughtful UX, and seamless platform coordination to create a robust experience under challenging conditions like poor connectivity, dynamic job schedules, and constantly changing routes.

We're looking for a visionary Senior Software Engineer who thrives on owning complex problems, driving solutions from inception to impact, and working close to the customer. You'll join a team that values quality, performance, and above all, end-to-end ownership of a product critical to the success and safety of our customers' operations. If you're passionate about shaping the future of enterprise mobile applications and leaving a significant mark, this is your opportunity.

This is a full-time remote position.

You should apply if:

• You want to impact the industries that run our world: Your efforts will result in real-world impact-helping to keep the lights on, get food into grocery stores, reduce emissions, and most importantly, ensure workers return home safely.
• You are the architect of your own career: If you put in the work, this role won't be your last at Samsara. We set up our employees for success and have built a culture that encourages rapid career development, countless opportunities to experiment and master your craft in a hyper growth environment.
• You're energized by our opportunity: The vision we have to digitize large sectors of the global economy requires your full focus and best efforts to bring forth creative, ambitious ideas for our customers.
• You want to be with the best: At Samsara, we win together, celebrate together and support each other. You will be surrounded by a high-calibre team that will encourage you to do your best.

• As a Senior Software Engineer on the Routing team, you won't just contribute; you'll lead and drive impactful initiatives across the entire development lifecycle.
• Lead End-to-End Development: Take full ownership of complex features and projects, guiding them from initial concept (0-1) through design, development, deployment, and ongoing optimization. You'll architect and build high-performance React Native mobile applications for both iOS and Android at enterprise scale.
• Drive Technical Direction: Contribute significantly to architectural decisions and strategic planning for the mobile platform, influencing our technical roadmap.
• Mentor and Elevate: Play a key role in fostering a culture of technical excellence, actively mentoring and providing guidance to more junior engineers, and contributing to knowledge sharing that elevates the entire team.
• Innovate and Design: Drive the design and implementation of polished, user-friendly UI components, with a keen focus on accessibility and consistency across platforms, ensuring an exceptional mobile user experience.
• Champion Performance Excellence: Proactively profile and optimize application performance and responsiveness. You'll identify bottlenecks, reduce render times, and improve memory usage to deliver a smooth and stable app experience across all supported devices.
• Bridge the Gap: Seamlessly integrate with native iOS/Android modules and APIs by leveraging React Native's bridging capabilities, unlocking platform-specific functionality and expanding the app's capabilities.
• Collaborate and Deliver Impact: Partner closely with product managers, designers, and backend engineers, translating high-level requirements into robust, scalable mobile features. You'll ensure top-tier code quality through rigorous peer reviews, comprehensive testing, and unwavering adherence to mobile development best practices.
• Champion, role model, and embed Samsara's cultural principles (Focus on Customer Success, Build for the Long Term, Adopt a Growth Mindset, Be Inclusive, Win as a Team) as we scale globally and across new offices

Minimum requirements for the role:

• 6+ years of software development experience, including 4+ years of hands-on mobile app development with React Native in production environments
• Deep knowledge of React Native as a mobile-first framework, with a strong grasp of its architecture, native components, and limitations
• Proven experience creating native modules or bridging React Native with native iOS and Android code (Objective-C/Swift and Java/Kotlin)
• Strong track record of performance tuning in mobile apps, including use of profiling tools and techniques to diagnose and resolve performance issues
• Hands-on experience ensuring mobile app accessibility compliance, applying best practices so that the app is usable by all customers
• Solid testing and debugging skills in a mobile context - experience writing unit and integration tests and utilizing continuous integration pipelines to maintain app stability and quality

An ideal candidate also has:

• Familiarity with geospatial or mapping technologies such as Mapbox or Google Maps SDK
• Domain experience in logistics, fleet management, or industrial IoT
• Background in native mobile development (Swift/Objective-C and Kotlin/Java)
  
  

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