Senior Software Engineer, Mobile (React Native)

ForerunnerSan Francisco, CA

About The Position

Forerunner believes that climate adaptation is a necessity and that communities deserve access to powerful software for future planning. Climate change presents complex challenges for municipalities in planning, capital management, and communication. Forerunner assists local communities by enabling them to access, understand, and mobilize local-level flood risk data at scale. This Senior Software Engineer, Mobile role is crucial for leading the evolution of the company's mobile experience, focusing on building and scaling a React Native application. This application is vital for governments to collect, act on, and communicate real-world data in the field. It is a high-impact position at the intersection of geospatial data, field operations, and climate resilience, where performance, reliability, and usability directly influence outcomes for communities.

Requirements

  • 5+ years of software engineering experience, with a strong focus on mobile development
  • 3+ years building production applications with React Native
  • Deep proficiency in JavaScript/TypeScript and React
  • Experience building and maintaining cross-platform mobile applications (iOS + Android)
  • Strong understanding of mobile performance, UI/UX, and responsiveness
  • Experience integrating RESTful APIs and handling complex data flows
  • Familiarity with native mobile development (Swift/Kotlin or Objective-C/Java) and when to use it
  • Strong product sense and ability to operate in ambiguous, fast-moving environments
  • Excellent communication and collaboration skills

Nice To Haves

  • Experience with offline-first or field-based mobile applications
  • Background in geospatial data, mapping, or GIS systems
  • Experience with state management (Redux, Context API) and modern mobile architecture patterns
  • Familiarity with CI/CD pipelines for mobile apps and app store deployments
  • Experience working in GovTech, climate tech, or other regulated/complex domains

Responsibilities

  • Build and scale mobile applications using React Native, delivering high-quality, performant experiences across iOS and Android
  • Own features end-to-end, from early design and architecture through production and iteration
  • Develop intuitive, responsive mobile interfaces that work seamlessly in real-world field conditions (low connectivity, high urgency)
  • Collaborate closely with product, design, and backend teams to ship impactful features
  • Integrate and optimize APIs, geospatial data, and real-time workflows within mobile applications
  • Identify and solve performance bottlenecks to ensure native-like speed and reliability
  • Contribute to mobile architecture decisions, including when to leverage native modules (iOS/Android) for performance or platform-specific needs
  • Improve developer experience through tooling, testing, and best practices
  • Mentor engineers and help raise the bar for mobile engineering across the team

Benefits

  • competitive compensation
  • health/vision/dental coverage
  • a 401k plan
  • one expensed lunch per week
  • a quarterly wellness reimbursement
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