Senior Software Engineer, Mobile (React Native)
About the role
Hi! We're Forerunner. We believe that climate adaptation is a necessity, not a luxury, and communities deserve access to powerful software that helps them plan for the future. The challenge of climate change is complex – it implicates how municipalities plan, manage capital, and communicate to both residents and higher levels of government. Forerunner helps local communities do these things better by empowering them to access, understand, and mobilize local-level flood risk data at scale.
The Role We’re hiring a Senior Software Engineer, Mobile to lead the evolution of our mobile experience. You’ll play a key role in building and scaling our React Native application , which is critical to how governments collect, act on, and communicate real-world data in the field. This is a high-impact role at the intersection of geospatial data, field operations, and climate resilience —where performance, reliability, and usability directly affect outcomes for communities. What You’ll Do 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 What We’re Looking For 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