<p>Proof is a high-growth startup transforming legal tech with a cutting-edge platform trusted by thousands of law firms across the U.S. <br />As we continue to scale, we’re looking for a <strong>Senior Mobile Engineer</strong> to own and help drive the evolution of our <strong>React Native</strong> applications.</p> <p>If you thrive in fast-paced environments, love solving complex technical challenges, and are passionate about building high-performance mobile experiences, this role is for you.</p> <h3>What You’ll Do</h3> <ul> <li>Lead the architecture, development, and optimization of Proofs React Native mobile applications.</li> <li>Contribute to backend development, building and maintaining APIs, services, and database integrations that power our mobile apps.</li> <li>Collaborate closely with engineers, product managers, and designers to create seamless, high-impact user experiences across the full stack.</li> <li>Optimize app performance, identifying and resolving bottlenecks, memory issues, and platform-specific challenges on both frontend and backend.</li> <li>Implement best practices in mobile and backend engineering, conducting thorough code reviews and mentoring team members.</li> <li>Stay ahead of the curve by researching and integrating emerging technologies to improve our mobile and backend stack.</li> <li>Develop and maintain reusable components, libraries, and API endpoints for future use.</li> <li>Ensure security best practices across the stack, including secure storage, authentication mechanisms, and API security.</li> <li>Utilize modern state management solutions such as Redux, Zustand, or Recoil.</li> </ul> <h3>What You Bring</h3> <ul> <li>5+ years of software development experience, with 2-3+ years focused on React Native or other mobile frameworks.</li> <li>Strong fullstack capabilities with experience in backend technologies (Node.js, Python, or similar) and database systems (PostgreSQL, MongoDB, etc.).</li> <li>Expertise in mobile architecture, performance optimization, and platform-specific development (iOS &amp; Android).</li> <li>Strong proficiency in JavaScript &amp; TypeScript, with experience integrating native modules and building RESTful APIs.</li> <li>A product-focused mindset, with a deep understanding of UX, engagement, and performance across the entire application stack.</li> <li>Experience with RESTful APIs, GraphQL (nice to have), and backend performance optimization.</li> <li>Familiarity with mobile CI/CD pipelines, automated testing frameworks, and app store submission processes.</li> <li>Experience with push notifications, deep linking, and background services.</li> <li>Knowledge of Firebase, Fastlane, and OTA update solutions.</li> <li>A self-starter who thrives in an agile, high-growth environment with excellent communication and collaboration skills.</li> </ul> <h3>Bonus Points</h3> <ul> <li>Experience with Expo Application Services (EAS).</li> <li>Background in scaling mobile applications and backend services.</li> <li>Experience mentoring engineers or leading technical initiatives.</li> <li>Knowledge of native iOS (Swift) or Android (Kotlin) development.</li> <li>Strong understanding of GraphQL and Apollo Client.</li> <li>Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).</li> <li>Familiarity with microservices architecture and event-driven systems.</li> </ul> <h3>Why Join Proof?</h3> <ul> <li><strong>Full-time, remote role</strong> (Canada-based)</li> <li><strong>Competitive salary:</strong> $120,000 - $160,000 CAD</li> <li><strong>Flexible time off &amp; holidays</strong> to support work-life balance</li> <li><strong>Comprehensive benefits</strong>, including healthcare, dental, life, and long-term disability</li> <li><strong>Top-tier equipment &amp; tools</strong> to set you up for success</li> </ul> <p>If you’re excited about shaping the future of legal tech and building world-class mobile experiences, we’d love to hear from you!</p>

Proof Technology

Senior Mobile Engineer, React Native

Proof Technology

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