Remote Mobile SDK Engineer – Embedded Wallet

Dynamic; United States; On-site; USD 177,000 - 230,000; Full time

Benefits offered by this job

Equity

Generous benefits

Remote-friendly

Job summary

Dynamic, part of Fireblocks, is building the most complete embedded wallet SDKs for developers to integrate crypto wallets into modern apps. You’ll design, ship, and maintain secure mobile SDKs with a strong emphasis on API design, performance, and reliability.

The role requires 5+ years in mobile development, expertise in iOS/Android, and experience with SDKs or shared libraries. A remote position within the Americas is offered with focus on security and developer experience.

Qualifications

• 5+ years of software engineering experience, with deep focus on mobile development and shipping production-grade SDKs.
• 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.

Responsibilities

• Design and implement high-quality native mobile SDKs enabling embedded wallet functionality with focus on API ergonomics, performance, and reliability.
• Own SDK features end-to-end: API design, architecture, implementation, testing, release, and documentation.
• Build and maintain secure, reliable SDK components for wallet operations, including cryptographic operations and blockchain interactions.
• Define and evolve SDK architecture for long-term maintainability and cross-customer adoption.
• Create sample apps and demos that showcase SDK capabilities and serve as integration references.
• Develop clear SDK documentation and integration guides.
• Collaborate with developer relations and support to address integration challenges.
• Raise quality and operational excellence with testing, observability, and code health.

Skills

Mobile development

iOS (Swift)

Android (Kotlin)

Cross-platform

Security in mobile apps

CI/CD

Code reviews

Documentation

Ownership mindset

Remote collaboration

Education

B.Sc. in Computer Science / Engineering

Tools

React Native

Mobile SDK development

Secure key management

Cryptography basics

Job description

Dynamic, part of Fireblocks, is building the most complete embedded wallet SDKs for developers to integrate crypto wallets into modern apps. You’ll design, ship, and maintain secure mobile SDKs with a strong emphasis on API design, performance, and reliability.

The role requires 5+ years in mobile development, expertise in iOS/Android, and experience with SDKs or shared libraries. A remote position within the Americas is offered with focus on security and developer experience.