Senior React Native Engineer

US Mobile • Montreal, QC

3d • $120,000 - $160,000

About The Position

US Mobile is building the future of wireless communication with the goal of one unified network open to any person and any device, worldwide. They are empowering customers by offering all three major networks on one phone and one plan, plus home internet from Starlink, with no lock-in or commitments. They provide custom-fit plans at every price point and 24/7 customer support with real people. The company values real-time feedback from customers to inform product roadmaps and has been recognized by Consumer Reports as the top-rated mobile carrier for two consecutive years. US Mobile is building innovative systems that scale with a network-agnostic tech stack and agile, cross-functional teams built on trust and mutual respect. This role is for individuals who work fast, flexibly, and collaboratively without compromising standards.

Requirements

• Minimum 7 years in mobile development (with 5 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.

Responsibilities

• 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.

Benefits

• Annual company offsite and hackathon in a global destination. Past locations include Dubai, Japan, and Hawaii, with New Zealand planned for 2027
• Competitive Salary
• Gym reimbursement
• Commute reimbursement
• Flexible working hours
• Professional development stipend
• Flexible time off
• Cell phone service (up to $100/mo)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed