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◆ 6/10
cryptodevweb3fintech
About this role
Join Fireblocks as a Mobile Engineer to design and implement high-quality native mobile SDKs for embedded wallet functionality, focusing on performance and reliability.
Description
Fireblocks is bringing global finance onchain, backed by over $1 billion in capital, with an enterprise-grade platform that has powered over $14 trillion in digital-asset transfers. Dynamic, part of Fireblocks, is the embedded wallet platform that has onboarded 50M+ wallets across crypto and fintech applications.
Responsibilities
- Design and implement high-quality native mobile SDKs that enable developers to integrate embedded wallet functionality into their applications, with a strong focus on API ergonomics, performance, and reliability
- Own SDK features end-to-end: from API design and architecture, through implementation and testing, to release, versioning, and developer documentation
- Build and maintain secure, reliable SDK components for wallet operations, including cryptographic operations, blockchain interactions, and security-sensitive flows
- Define and evolve the SDK architecture to support long-term maintainability, backward compatibility, and adoption across diverse customer applications
- Build sample applications and demos that showcase SDK capabilities and serve as integration references for customers
- Create clear, comprehensive SDK documentation and integration guides
- Work with developer relations and support teams to address customer integration challenges
- Raise the bar for quality and operational excellence by establishing best practices around testing, observability, releases, and code health
Requirements
- 5+ years of software engineering experience, with deep focus on mobile development and shipping production-grade SDKs
- Demonstrated track record of building and shipping high-quality code, with work you can point to and discuss in depth
- Strong hands-on experience with iOS (Swift) and/or Android (Kotlin); experience with React Native or other cross-platform frameworks
- Experience building mobile SDKs or shared libraries, including API design, versioning, packaging, and long-term maintenance across platforms
- 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, cryptography, or financial products
- Strong grasp of mobile engineering best practices, including CI/CD, automated testing, release management, and observability
- Remote role in a distributed team; preference for candidates in the Americas time zone
Job Details
Market range (est.)$120k–$245k
LocationRemote
AI Score★★★★★★☆☆☆☆ 6/10
PostedSep 26, 2026 (16d ago)
Tags & Skills
cryptodevweb3fintechrwadefiMobile Developerremote
Tech Stack
mobile developmentSDKsiOSSwiftAndroidKotlinReact Nativeblockchaincryptography