Mobile Engineer (Remote)

Fireblocks
Bogotá, Buenos Aires, Mexico City, São Paulo, Toronto
Workplace: RemoteFull timeFunction: Data Analytics & Business IntelligenceEducation: bachelorsSkills: ["Ownership","Execution","Independent problem-solving","Customer focus","Knowledge sharing"]

Design and implement secure, production-grade native mobile SDKs that help developers integrate embedded wallet functionality into their applications. Own SDK features end to end—from API design and architecture to implementation, testing, release/versioning, and developer documentation. Build and maintain cryptographic and security-sensitive components for wallet operations, evolve SDK architecture for long-term maintainability, and create sample apps and demos. Partner with developer relations to resolve integration challenges and raise engineering quality through best practices.

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FursaFursa
Fireblocks
Fireblocks
6 months ago

Mobile Engineer (Remote)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Live

Job Summary

Design and implement secure, production-grade native mobile SDKs that help developers integrate embedded wallet functionality into their applications. Own SDK features end to end—from API design and architecture to implementation, testing, release/versioning, and developer documentation. Build and maintain cryptographic and security-sensitive components for wallet operations, evolve SDK architecture for long-term maintainability, and create sample apps and demos. Partner with developer relations to resolve integration challenges and raise engineering quality through best practices.
Location: Bogotá, Buenos Aires, Mexico City, São Paulo, Toronto
Workplace: Remote
Employment Type: Full time
Job Function: Data Analytics & Business Intelligence
Seniority: Mid level

Key Responsibilities

  • •Design and implement high-quality native mobile SDKs for embedded wallet integration, focusing on API ergonomics, performance, and reliability.
  • •Own SDK features end-to-end, covering API design/architecture, implementation and testing, release, versioning, and developer documentation.
  • •Build and maintain secure, reliable SDK components for wallet operations, including cryptographic operations and security-sensitive flows.
  • •Define and evolve SDK architecture to support maintainability, backward compatibility, and adoption across customer applications.
  • •Create sample applications and demos, and improve integration success by collaborating with developer relations and support teams.

Key Requirements

  • •5+ years of software engineering experience focused on mobile development and shipping production-grade SDKs.
  • •Hands-on experience with iOS (Swift) and/or Android (Kotlin), plus React Native or other cross-platform experience.
  • •Experience building mobile SDKs or shared libraries, including API design, versioning, packaging, and long-term maintenance.
  • •Experience building blockchain-enabled mobile systems, including wallet flows, signing, and on-chain interactions.
  • •Strong mobile engineering practices (CI/CD, automated testing, release management, observability) and security-sensitive mobile development (key management, secure storage, cryptography, financial products).
Experience:BlockchainCryptocurrencyFintechMobile SDKsEmbedded wallets
Education:Bachelor's in Computer Science / Engineering
Skills:OwnershipExecutionIndependent problem-solvingCustomer focusKnowledge sharing
Languages:English
Tech Stack:IOSSwiftAndroidKotlinReact NativeCross-platform frameworksAPI designVersioningPackagingBlockchain interactionsCryptographyWallet flowsSigningCI/CDAutomated testingRelease managementObservabilityBlockchain-enabled mobile systemsRustWebAssembly

Company Brief

Fireblocks
Provides institutional-grade digital asset custody, transfer, and settlement infrastructure enabling banks, exchanges, and enterprises to securely issue, store, and move cryptocurrencies and tokenized assets.
Industry: Fintech Infrastructure
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series E+
Headquarters: New York, United States
Founded: 2018
WebsiteLinkedIn