**About Fireblocks** Fireblocks is a digital asset infrastructure platform trusted by major financial institutions including BNY Mellon, BNP Paribas, ANZ Bank, and Revolut. Dynamic, a Fireblocks subsidiary, provides embedded wallet infrastructure for developers building crypto and fintech applications. **About the Team** Dynamic was founded in 2021 to make wallet components foundational to applications. The team builds developer-first SDKs enabling seamless embedded wallet integration. Dynamic powers wallet experiences for companies like Kraken, Magic Eden, and zerohash, having onboarded 50M+ wallets across crypto and fintech applications. **What You'll Do** * Design and implement high-quality native mobile SDKs focused on API ergonomics, performance, and reliability * Own SDK features end-to-end: from API design and architecture through implementation, testing, release, and documentation * Build secure, reliable SDK components for wallet operations including cryptographic operations and blockchain interactions * Define and evolve SDK architecture supporting maintainability, backward compatibility, and adoption * Build sample applications and demos showcasing SDK capabilities * Create comprehensive SDK documentation and integration guides * Work with developer relations and support teams addressing customer integration challenges * Establish best practices around testing, observability, releases, and code health * Contribute to a culture of ownership through hands-on work, code reviews, and knowledge sharing **What You'll Bring** * 5+ years software engineering experience with deep focus on mobile development and production-grade SDKs * Demonstrated track record shipping high-quality code with concrete examples * Strong hands-on experience with iOS (Swift) and/or Android (Kotlin); familiarity with React Native and cross-platform frameworks * Experience building mobile SDKs including API design, versioning, packaging, and maintenance * Experience with blockchain-enabled mobile systems including wallet flows, signing, and on-chain interactions * Experience working on security-sensitive mobile software such as key management, secure storage, or financial products * Strong grasp of mobile engineering best practices including CI/CD, automated testing, release management, and observability * Get-things-done mindset with ability to independently own problems and deliver end-to-end solutions * Comfortable making long-term architectural decisions while remaining pragmatic * B.Sc. in Computer Science/Engineering or equivalent practical experience * Remote role with preference for Americas time zone candidates **Big Advantages** * Rust and/or WebAssembly (Wasm) experience building cross-platform SDKs for mobile * Experience designing shared core logic across iOS and Android * Experience with advanced mobile security primitives including secure hardware, MPC, and low-level crypto * Prior experience owning or founding a mobile platform or SDK from scratch

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Fireblocks

Mobile Engineer (Remote)

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