Cloudflare
Software Engineer, Mobile SDK
Hybrid +1 · Full-time · Posted Oct 2, 2026
- Location
- Hybrid
Austin, TX, United States - Visa sponsorship
- An offer may be conditioned on authorization to receive technology controlled under U.S. export laws without sponsorship for an export license.
About the job
Build and lead the architecture, APIs, and release quality of Cloudflare’s native iOS and Android mobile security SDKs, making them reliable and straightforward for customer teams to integrate.
What you'll do
- Define client architecture and public APIs for native iOS and Android SDKs, establishing testable, documented, lightweight foundations.
- Set standards for compatibility, diagnostics, performance, and release quality; partner across teams to develop a dependable developer product.
- Mentor mobile engineers and help resolve complex customer integration issues across application, SDK, network, and service boundaries.
What they ask for
- Deep production software experience in either iOS with Swift or Android with Kotlin, plus familiarity with the other ecosystem.
- Experience designing or owning customer-distributed SDKs, libraries, or similarly constrained developer-facing products.
- Mobile security knowledge, including app and device integrity, secure key storage, application signing, authentication, and secure communications.
- Ability to diagnose production issues across system boundaries and work within strict mobile performance budgets.
Nice to have
- Familiarity with React Native and Flutter.
- Familiarity with C++ or Rust for high-performance, cross-platform security modules.
Tools
Swift, Kotlin, React Native, Flutter, C++, Rust
AI focus
The posting describes an AI-forward company culture and encourages using AI tools to solve problems and ship faster; it does not specify AI-focused duties for this role.
Model-written summary · the original posting is authoritative