The best engineers of today move quickly and leverage AI. As an early technical hire, you’ll work shoulder-to-shoulder with a lean team building a mobile-first platform that’s transforming how entrepreneurs start and run their businesses. This is your chance to join a high-growth rocket ship, shape the technical foundation of a venture-backed startup, and accelerate your career with unparalleled ownership and impact. We operate with the frontier of AI tools and systems, and we continue to reshape and redefine our best practices. We’re growing extremely fast and looking for a Senior Mobile Engineer to take ownership of core mobile products and features. If having autonomy, full ownership, and high growth potential excites you, this is the perfect role for you. What You’ll Do Design, develop, test, and maintain cross-platform mobile applications using React Native and Expo. Collaborate with team to translate requirements and design drafts into seamless, high-quality mobile interfaces and functionalities. Work with team to define and implement front-end/back-end interaction interfaces for smooth data connectivity. Optimize application performance, enhance user experience, troubleshoot issues, and ensure stability and fluency. Utilize EAS (Expo Application Services) for building, packaging, and releasing applications. Participate in Code Reviews, share knowledge, and contribute to improving team code quality and development efficiency. Stay updated on the latest trends in React Native, Expo, and mobile development, introducing new technologies to enhance products and processes. Requirements Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent practical experience. 5+ years of software development experience, with at least 3 years of in-depth React Native experience for cross-platform mobile apps. Extensive experience with Expo, including Expo SDK, Expo CLI, and EAS for building and publishing. Experience with Firebase, GCP, and GA4 Familiarity with iOS and Android platform features, lifecycles, and design specifications. Experience with state management libraries (e.g., Jotai, Zustand, Redux). Proficient in Git for version control and collaboration. Strong problem-solving skills and ability to independently manage development tasks. Excellent communication skills, proactive attitude, and team spirit. Familiarity with front-end technologies like React.js and Next.js. Bonus Points Experience with native development (Swift/Objective-C or Kotlin/Java). Practical experience with automated testing (Jest, React Native Testing Library). Knowledge of CI/CD processes. Successful app launches on App Store and Google Play. Strong UI/UX sensibility with pixel-perfect design implementation. Active contributions to open-source projects on GitHub. Experience independently developing and launching apps. Backend experience with REST APIs, Express.js, Redis, or microservices. Why Join Fig? You want to shape the Company from day 1 and influence product direction, culture, architecture, and how we scale You believe that everything can be figured out, and continue iterating, trying things, and push until complete. You're excited to work at the frontier. We continue to learn the newest AI tools and implement the best practices into our workflow on the daily You want to surround yourself with passionate, hard workers who work every day of the week to build beautiful products and user experiences Lunch & Dinner in the office Snacks and drinks M4 Macbook Pro Claude Code, Cursor, Windsurf, Gemini, Grok. You name it, we'll make sure you have it to use. Apply now or message us to learn more Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at Fig by 2x Get notified about new Mobile Engineer jobs in San Francisco Bay Area . 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