Fireblocks

6 months ago

Mobile Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 4 hours agoStatus: Live

Job Summary

Build and maintain developer-first native mobile SDKs for embedded wallet functionality, enabling integrations across customer applications. Own SDK features end-to-end—from API design and architecture to implementation, testing, releases, and documentation. Develop secure, reliable wallet operations with cryptography and blockchain interactions, and evolve the SDK architecture for maintainability and backward compatibility. Create demos and work with developer relations to resolve integration challenges.

Location: United States

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 functionality with focus on API ergonomics, performance, and reliability.
•Own SDK features end-to-end, including API design and architecture, implementation and testing, release, versioning, and developer documentation.
•Build and maintain secure SDK components for wallet operations, including cryptographic operations and blockchain interactions.
•Define and evolve SDK architecture for long-term maintainability, backward compatibility, and customer adoption.
•Create sample applications and demos, and partner with developer relations/support to address customer integration challenges.

Pay and Benefits

Salary: USD 177,000 - 230,000 annually

Key Requirements

•5+ years of software engineering experience focused on mobile development and shipping production-grade SDKs.
•Strong hands-on experience with iOS (Swift) and/or Android (Kotlin), and familiarity with React Native or other cross-platform frameworks.
•Experience building mobile SDKs or shared libraries, including API design, versioning, packaging, and long-term maintenance.
•Experience with blockchain-enabled mobile systems such as wallet flows, signing, and on-chain interactions.
•Experience developing security-sensitive mobile software, including key management, secure storage, cryptography, or financial products.

Experience:5+ yearsBlockchainCryptographyFintechMobile SDKs

Education:Bachelor's in Computer Science / Engineering

Skills:OwnershipExecutionCustomer focusCode reviewProblem-solving

Languages:English

Tech Stack:SwiftIOSKotlinAndroidReact NativeRustWebAssemblyWasmCI/CDAutomated testingObservabilityCryptographyBlockchain

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

Website LinkedIn

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Fireblocks

6 months ago

Mobile Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 4 hours agoStatus: Live

Job Summary

Location: United States

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 functionality with focus on API ergonomics, performance, and reliability.
•Own SDK features end-to-end, including API design and architecture, implementation and testing, release, versioning, and developer documentation.
•Build and maintain secure SDK components for wallet operations, including cryptographic operations and blockchain interactions.
•Define and evolve SDK architecture for long-term maintainability, backward compatibility, and customer adoption.
•Create sample applications and demos, and partner with developer relations/support to address customer integration challenges.

Pay and Benefits

Salary: USD 177,000 - 230,000 annually

Key Requirements

•5+ years of software engineering experience focused on mobile development and shipping production-grade SDKs.
•Strong hands-on experience with iOS (Swift) and/or Android (Kotlin), and familiarity with React Native or other cross-platform frameworks.
•Experience building mobile SDKs or shared libraries, including API design, versioning, packaging, and long-term maintenance.
•Experience with blockchain-enabled mobile systems such as wallet flows, signing, and on-chain interactions.
•Experience developing security-sensitive mobile software, including key management, secure storage, cryptography, or financial products.

Experience:5+ yearsBlockchainCryptographyFintechMobile SDKs

Education:Bachelor's in Computer Science / Engineering

Skills:OwnershipExecutionCustomer focusCode reviewProblem-solving

Languages:English

Tech Stack:SwiftIOSKotlinAndroidReact NativeRustWebAssemblyWasmCI/CDAutomated testingObservabilityCryptographyBlockchain

Company Brief

Fireblocks

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

Website LinkedIn