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: 5 hours agoStatus: Live

Job Summary

Design and implement developer-first native mobile SDKs for embedded wallet experiences, enabling iOS and Android apps to integrate secure blockchain wallet functionality. Own SDK features end-to-end—API design, architecture, implementation, testing, release/versioning, and documentation—while building cryptography and wallet-ops components. Partner with developer relations and support to solve integration issues and drive quality through testing, observability, and release best practices.

Location: Miami, New York, San Francisco

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 developers integrating embedded wallet functionality, focusing on API ergonomics, performance, and reliability.
•Own SDK features end-to-end from API design and architecture through implementation, testing, 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 SDK architecture for long-term maintainability, backward compatibility, and broad adoption across customer applications.
•Build sample applications and demos and create SDK documentation and integration guides, working with developer relations and support to address integration challenges.

Pay and Benefits

Salary: USD 177,000 - 230,000 annually

Equity and Bonus:Equity

Key Requirements

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

Experience:5+ yearsBlockchainFintechMobile developmentDeveloper toolsSDKs

Education:Bachelor's in Computer Science / Engineering

Skills:OwnershipCustomer focusGet-things-done mindsetCode reviewsKnowledge sharing

Languages:English

Tech Stack:SwiftIOSKotlinAndroidReact NativeCross-platformRustWebAssemblyWasmAPI designCI/CDTestingRelease managementObservabilityCryptographyBlockchainWallet flowsKey managementSecure storageMPC

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

Loading job details...

Preparing the role view and application actions.

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: 5 hours agoStatus: Live

Job Summary

Location: Miami, New York, San Francisco

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 developers integrating embedded wallet functionality, focusing on API ergonomics, performance, and reliability.
•Own SDK features end-to-end from API design and architecture through implementation, testing, 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 SDK architecture for long-term maintainability, backward compatibility, and broad adoption across customer applications.
•Build sample applications and demos and create SDK documentation and integration guides, working with developer relations and support to address integration challenges.

Pay and Benefits

Salary: USD 177,000 - 230,000 annually

Equity and Bonus:Equity

Key Requirements

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

Experience:5+ yearsBlockchainFintechMobile developmentDeveloper toolsSDKs

Education:Bachelor's in Computer Science / Engineering

Skills:OwnershipCustomer focusGet-things-done mindsetCode reviewsKnowledge sharing

Languages:English

Tech Stack:SwiftIOSKotlinAndroidReact NativeCross-platformRustWebAssemblyWasmAPI designCI/CDTestingRelease managementObservabilityCryptographyBlockchainWallet flowsKey managementSecure storageMPC

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