Mobile Engineer

US Mobile is on a mission to revolutionize connectivity. Imagine a world where you can go into a single app and buy terabytes of data for every one of your devices: phone, smart devices, car, home broadband, and more. That's the future that US Mobile is building: a software platform built truly for the 21st century and the age of 5G and IoT, with world class engineering, best-in-class user experience, and features that will define the next generation of connectivity.

At the core of it all, we have a team and culture that has been recognized by Forbes as one of the top 500 best startup employers in the US . Our team spans diverse backgrounds, cultures, and stories, with employees coming from 20+ countries.

We're a venture-backed company entering hypergrowth, having recently ranked 94th on Inc 5000's fastest-growing private companies in America , and we're looking for someone exceptional to join our team.

• Build cross-platform mobile applications using React Native, ensuring modular, extensible, and maintainable architecture.
• Modernize and refactor existing application features to enhance performance, scalability, and future-proofing by leveraging performance metrics and error monitoring platforms.
• Partner closely with product and design stakeholders to create high-performance, user-friendly features with strong visual appeal.
• Establish and maintain robust testing frameworks, reliability standards, and streamlined release processes as well as collaborate with QA to ensure testing coverage.
• Guide and develop fellow engineers while fostering an environment focused on high-quality code, creative solutions, and ongoing skill development.
• Create and maintain clear process documentation as well as contribute to development and design guidelines.
• Research emerging technologies and best practices within the React Native ecosystem; present findings to the team and influence design and technical decisions.
• Champion user experience across the product lifecycle, ensuring designs translate seamlessly into practical, engaging solutions.

• Minimum 5 years in mobile development (with 4 years of hands-on React Native expertise).Proven track record of successfully launching applications on App Store and Google Play.
• Knowledge of mobile user experience principles and the distinct characteristics of iOS and Android platforms.
• Hands-on experience with continuous integration/deployment, over-the-air updates (such as Expo), and release automation.
• Demonstrated ability to excel in dynamic startup settings—delivering quickly without compromising code quality.
• Excellent interpersonal skills with a passion for knowledge sharing and team collaboration.

• React Native TypeScript
• Tanstack ReactQuery
• React Navigation

• Competitive salary
• Flexible working hours
• Supplemental health insurance
• Professional development stipend
• $500 wfh tech set-up reimbursement

Think you're a good fit? Apply to learn more