Mobile Engineer – Native SDK Development

About the role

We are looking for a Mobile Engineer based in Mexico to build the mobile infrastructure behind the next generation of digital asset and financial applications. You will design and ship native mobile SDKs that make embedded wallet functionality secure, reliable, and easy for developers to integrate.

Key responsibilities

• Design and implement high‑quality native mobile SDKs with focus on API ergonomics, performance, security and reliability.
• Own SDK capabilities end‑to‑end: API design, architecture, implementation, testing, release management, versioning and documentation.
• Build and maintain secure components for wallet operations, cryptographic functions, blockchain interactions and signing workflows.
• Define and evolve SDK architecture to ensure maintainability, backward compatibility and scalability across diverse customer applications.
• Create sample apps, demos and integration references to help developers adopt the SDK.
• Partner with developer relations and support teams to resolve integration challenges.
• Promote best practices around automated testing, CI/CD, observability and overall code health.

Required profile

• 5+ years of professional software engineering experience with a strong focus on mobile development.
• Hands‑on experience building production‑grade SDKs or shared libraries.
• Experience working on security‑sensitive functionality such as wallets, cryptography and blockchain.

Required skills

• iOS development with Swift
• Android development with Kotlin
• Cross‑platform frameworks (e.g., React Native)
• Cryptography and blockchain integration
• SDK design, versioning and release management
• CI/CD pipelines and automated testing
• Observability and monitoring tools