Senior Software Engineer II - Mobile Platform

About the role

At Samsara, the Mobile Platform team is at the forefront of our mobile innovation, championing developer velocity and consistency. We craft, maintain, and evolve the core frameworks and tooling that empower every engineering team to build exceptional mobile applications for our customers. Your contributions will be pivotal in shaping mobile-first experiences across the organization as we continue to expand our product offerings and innovate in service of our customers. Our responsibilities span a wide array of critical infrastructure, from reusable UX components and design systems to seamless continuous integration pipelines, insightful monitoring tools, and resilient networking and persistence layers. These foundational systems are widely adopted across diverse applications and business units, driving significant impact throughout the entire company.

We use React Native, Typescript and Redux for our mobile apps, Golang for our backend, and GraphQL to communicate between them.

This is a remote position open to candidates residing in the US.

You should apply if

• You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.
• You want to build for scale: With over 2.3 million IoT devices deployed to our global customers, you will work on a range of new and mature technologies driving scalable innovation for customers across industries driving the world's physical operations.
• You are a life-long learner: We have ambitious goals. Every Samsarian has a growth mindset as we work with a wide range of technologies, challenges, and customers that push us to learn on the go.
• You believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes.
• You are a team player: Working on our Samsara Engineering teams requires a mix of independent effort and collaboration. Motivated by our mission, we’re all racing toward our connected operations vision, and we intend to win—together.

In this role, you will

• Drive Technical Direction: Contribute to architectural decisions and strategic planning for the mobile platform, influencing our technical roadmap.
• Develop and Optimize: Build and deliver high-quality, performant, and user-friendly mobile application features. You'll focus on writing clean, maintainable code and optimizing for responsiveness and efficiency.
• Ensure Code Quality: Uphold and promote high standards for code quality through rigorous peer reviews, comprehensive testing, and adherence to mobile development best practices.
• Build Reusable UI Components: Design and implement polished, accessible, and consistent UI components, ensuring an exceptional user experience across our mobile platforms while enabling other teams to move faster by utilizing the components and patterns you create.
• Collaborate Cross-Functionally: Work closely with product managers, designers, and engineers across other teams to translate requirements into robust and scalable mobile solutions.
• Support and Mentor: Share your expertise by mentoring more junior engineers and actively contributing to knowledge-sharing initiatives that elevate the team's capabilities.
• 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 3+ years of hands-on mobile app development with React Native in production environments.
• Deep knowledge of React Native as a mobile-first framework, including a strong grasp of its architecture, native components, and limitations.
• Solid testing and debugging skills in a mobile context, including experience writing unit and integration tests to maintain app stability and quality.
• Strong understanding of mobile architecture, performance, and platform APIs.
• Proficiency in using GraphQL and Redux for efficient data fetching and state management.
• Experience collaborating cross-functionally with product, design, and backend teams to deliver high-quality mobile features.
• Demonstrated experience in mentoring less experienced engineers and leading technical projects from conception to delivery with multiple contributors.

An ideal candidate also has

• Experience with native mobile development (Swift/Objective-C and Kotlin/Java), including creating native modules or bridging React Native with native iOS and Android code.
• Track record of performance tuning in mobile apps, including using profiling tools and techniques to diagnose and resolve performance issues.
• Hands-on experience ensuring mobile app accessibility compliance, applying best practices to make the app usable by all customers.
• Familiarity with mobile CI/CD pipelines, build tools, and test automation.
• Experience working with microservices.
• Experience shipping and maintaining features over several years, demonstrating long-term ownership.
• Domain experience in logistics, fleet management, or industrial IoT, especially building mobile apps for drivers or field workers.

The range of annual base salary for full-time employees for this position is below. Please note that base pay offered may vary depending on factors including your city of residence, job-related knowledge, skills, and experience. This role is also eligible for an initial RSU grant with no vesting cliff, and ongoing refresh opportunities tied to performance, subject to plan terms and conditions. Learn more about our total rewards and benefits below.

Annual Base Salary$221,000—$260,000 USD

Total Rewards

At Samsara, we build for the people who keep the global economy moving. We want owners, not passengers, which is why our rewards are designed to fuel high-impact builders. Our compensation program delivers above-market total compensation through a combination of base salary, performance-based bonus/variable pay, and equity (for eligible roles) in a high-growth public company. We meaningfully differentiate pay for our top performers, who have the opportunity to earn above-market compensation that can outpace the broader market over time.

Beyond compensation, we provide the foundations that enable long-term success: a flexible, employee-led remote model, a professional development stipend, comprehensive health and parental leave plans, and more. If you’re ready to build for the long term and own the outcome, your journey starts here.

Flexible Working

At Samsara, we embrace a flexible working model that caters to the diverse needs of our teams. Our offices are open for those who prefer to work in-person and we also support remote work where it aligns with our operational requirements. For certain positions, being close to one of our offices or within a specific geographic area is important to facilitate collaboration, access to resources, or alignment with our service regions. In these cases, the job description will clearly indicate any working location requirements. Our goal is to ensure that all members of our team can contribute effectively, whether they are working on-site, in a hybrid model, or fully remotely. All offers of employment are contingent upon an individual’s ability to secure and maintain the legal right to work at the company and in the specified work location, if applicable.

Belonging at Samsara

At Samsara, we welcome everyone regardless of their background. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender, gender identity, sexual orientation, protected veteran status, disability, age, and other characteristics protected by law. We depend on the unique approaches of our team members to help us solve complex problems and want to ensure that Samsara is a place where people from all backgrounds can make an impact.

Accommodations

Samsara is an inclusive work environment, and we are committed to ensuring equal opportunity in employment for qualified persons with disabilities. Please email accessibleinterviewing@samsara.com or click here if you require any reasonable accommodations throughout the recruiting process.

Our Commitment to Authenticity

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Fraudulent Employment Offers

Samsara is aware of scams involving fake job interviews and offers. Please know we do not charge fees to applicants at any stage of the hiring process. Official communication about your application will only come from emails ending in @samsara.com, @us-greenhouse-mail.io or @mail3.guide.co. For more information regarding fraudulent employment offers, please visit our blog post here.