This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Mobile Application Lead Developer based in the United States. This is a senior engineering opportunity focused on building mission-critical mobile applications for emergency response organizations. You will lead the architecture and development of native iOS experiences designed to perform reliably in demanding, low-connectivity environments. The role combines hands-on development with technical leadership, engineering standards, and mentorship. You’ll work closely with product and engineering teams across the US and India to translate customer needs into dependable mobile solutions. A key focus will be creating offline-first architectures, robust data synchronization, and secure integrations. You’ll also help shape mobile development practices, CI/CD capabilities, quality processes, and the broader technology roadmap. This fully remote role offers the opportunity to build technology with a direct impact on the safety and effectiveness of first responders.