Fullstack Engineer, Embedded Wallet

Fireblocks
United States
Workplace: RemoteFull timeUSD 177,000 - 230,000 annuallyFunction: Software EngineeringExperience: 5+ yearsEducation: bachelorsSkills: ["Ownership","Get-things-done mindset","Customer focus","Code reviews","Knowledge sharing","Pragmatic","Adaptable"]

Design and implement native iOS/Android SDKs that enable developers to integrate embedded wallet functionality into their applications. Own SDK features end-to-end—from API design and architecture through implementation, testing, release, versioning, and developer documentation. Build secure, reliable components for wallet operations, cryptographic and blockchain interactions, and integration demos, while driving quality via best practices in testing, observability, and code health.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Fireblocks
Fireblocks
4 days ago

Fullstack Engineer, Embedded Wallet

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 7 hours agoStatus: Live

Job Summary

Design and implement native iOS/Android SDKs that enable developers to integrate embedded wallet functionality into their applications. Own SDK features end-to-end—from API design and architecture through implementation, testing, release, versioning, and developer documentation. Build secure, reliable components for wallet operations, cryptographic and blockchain interactions, and integration demos, while driving quality via best practices in testing, observability, and code health.
Location: United States
Workplace: Remote
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design and implement high-quality native mobile SDKs focused on API ergonomics, performance, and reliability.
  • •Own SDK features end-to-end, including 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 blockchain interactions.
  • •Define and evolve SDK architecture for maintainability, backward compatibility, and adoption across customer applications.
  • •Create SDK documentation, integration guides, sample apps/demos, and partner with developer relations/support to resolve 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 deep focus on mobile development and shipping production-grade SDKs.
  • •Hands-on experience with iOS (Swift) and/or Android (Kotlin), and familiarity with React Native or other cross-platform frameworks.
  • •Experience building mobile SDKs/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 with security-sensitive mobile software (key management, secure storage, cryptography, or financial products).
Experience:5+ yearsBlockchainCryptoFintechDeveloper tools
Education:Bachelor's in Computer Science / Engineering
Skills:OwnershipGet-things-done mindsetCustomer focusCode reviewsKnowledge sharingPragmaticAdaptable
Tech Stack:IOSSwiftAndroidKotlinReact NativeCross-platform frameworksSDKsAPI designCI/CDAutomated testingRelease managementObservabilityCryptographyKey managementSecure storageBlockchainWallet flowsSigningOn-chain interactionsRust

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