This is an opportunity to lead the core technology that is onboarding millions to the future of finance. As part of Fireblocks, the leading platform for securing digital assets, dynamic.xyz is positioned at the intersection of enterprise security and consumer accessibility. Our combined entity is setting the new standard for best-in-class custodial and non-custodial solutions globally. Fireblocks and Dynamic provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world, including Stripe, Circle, Zerohash,  BNY Mellon, BNP Paribas, ANZ Bank, Revolut, Magic Eden, and thousands more. 

The Director of Engineering for Platform will own the complex, highly-distributed systems required to deliver this vision at massive scale.

About The Team

Founded in 2021, Dynamic's vision is that every app and website will integrate a wallet component, viewing wallets as foundational infrastructure for use cases like payroll, remittances, and global payments.

The product centers on developer-first SDKs enabling seamless embedded wallet functionality. These wallets allow end users to create, manage, and use wallets without leaving the application.

Dynamic has onboarded over 50 million wallets. Within the joint entity, Dynamic focuses on the application-layer wallet experience and developer tooling, complementing Fireblocks’ core custody, security, and transaction infrastructure. The team emphasizes a strong product mindset, secure-by-default systems, and exceptional developer experience.

The Platform team is the core engine of dynamic.xyz's backend, building and maintaining highly reliable, scalable, and secure foundational services. This includes the mission-critical Wallet-as-a-Service (WAAS), the core Authentication Platform, and essential services like Balances, Events, and many integrations. This high-growth area directly impacts the goal of onboarding millions more people.

What You'll Do

As the Director of Engineering for Platform, you will be a visionary hands-on leader. You will:

• Strategic & Technical Leadership: Define the long-term technical roadmap, architecture, and standards for the Platform team, ensuring unparalleled scale, security, and resiliency.
• Hands-On Ownership & Technical Activity: Maintain a high level of technical engagement and remain actively hands-on, contributing to critical design reviews, setting coding standards, and demonstrating a genuine passion for writing and shipping code.
• System Scaling & Delivery: Oversee the design and implementation of highly complex distributed systems capable of handling massive transactional volume and user growth, demonstrating a great track record of delivering software at high velocity.
• Team Management & Growth: Lead, mentor, and expand a high-performing engineering organization.
• Customer & Developer Focus: Work closely with our customers, understanding their technical needs, gathering feedback, and ensuring the platform meets their requirements for integration and performance.
• Innovation & Technology: Drive the adoption of modern engineering practices, including leveraging latest AI models and technology to enhance platform efficiency, security, and feature development.

What You'll Bring

• 5+ years of engineering management experience, leading multiple teams and consistently delivering complex initiatives on schedule in time-sensitive environments.
• 10+ years of hands-on experience in backend development, architecting and operating large-scale, complex, and highly-secure distributed systems.
• Exceptional focus on Security: Experience architecting or building platforms where the design required thinking deeply about security and attack vectors (e.g., in finance, payments, crypto, or authentication).
• Deep expertise in one or more of the following sectors: Crypto/Web, Financial Services, or High-Security/Authentication Platforms.
• Demonstrated experience in scaling platforms to support millions of users and high throughput transaction volumes.
• Proven ability to attract, hire, and develop top-tier engineering talent, with a focus on growing senior and principal-level engineers.
• Strong technical foundation and the ability to influence architecture, including familiarity with modern development paradigms and cloud technologies.
• Proficiency in TypeScript and AWS infrastructure (experience with TEE big plus)

As part of Fireblocks, Dynamic represents the next evolution of non-custodial wallet infrastructure. Dynamic is Fireblocks’ embedded wallet platform, purpose-built for developers who want to bring crypto and stablecoin experiences into modern applications without complexity. Together, Fireblocks and Dynamic are building the most complete, secure, and developer-friendly wallet infrastructure in the industry by combining institutional-grade security with consumer-grade experiences.

About the Team

Dynamic was founded in 2021 with a simple vision: every app and website will have a wallet component. That vision is rapidly becoming reality. Wallets are no longer limited to crypto-native products, they are becoming foundational infrastructure for payroll, remittances, and global payments. Dynamic powers wallet-based experiences for leading crypto and fintech teams including Kraken, zerohash, Magic Eden, and more.

Dynamic builds and maintains developer-first SDKs that enable teams to seamlessly integrate embedded wallet functionality directly into their applications. These embedded wallets allow end users to create, manage, and use wallets without leaving the product experience, making wallets feel like a native part of modern fintech and crypto apps.

As part of Fireblocks, the Dynamic team continues to build and scale the infrastructure and developer tooling that has onboarded 50M+ wallets across crypto and fintech applications. In this context, Dynamic powers the application-layer wallet experience and developer tooling, complementing Fireblocks’ core custody, security, and transaction infrastructure. The team operates with a strong product mindset and deep focus on security, reliability, scalability, and exceptional developer experience. Engineers at Dynamic build secure-by-default systems and approach their work with a strong customer focus, balancing technical excellence with real-world user needs. You will be joining a passionate group that moves fast, works with the biggest names in payments and fintech, and is defining how the next generation of financial applications are built.

What You’ll Do

• Design and implement high-quality native mobile SDKs that enable developers to integrate embedded wallet functionality into their applications, with a strong focus on API ergonomics, performance, and reliability.
• Own SDK features end-to-end: from API design and architecture, through implementation and testing, to 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 the SDK architecture to support long-term maintainability, backward compatibility, and adoption across diverse customer applications.
• Build sample applications and demos that showcase SDK capabilities and serve as integration references for customers.
• Create clear, comprehensive SDK documentation and integration guides.
• Work with developer relations and support teams to address customer integration challenges.
• Raise the bar for quality and operational excellence by establishing best practices around testing, observability, releases, and code health.
• Contribute to a culture of ownership and execution, leading by example through hands-on work, code reviews, documentation, and knowledge sharing

What You’ll Bring

• 5+ years of software engineering experience, with deep focus on mobile development and shipping production-grade SDKs
• Demonstrated track record of building and shipping high-quality code, with work you can point to and discuss in depth
• Strong hands-on experience with iOS (Swift) and/or Android (Kotlin); experience with React Native or other cross-platform frameworks, and familiarity with all.
• Experience building mobile SDKs or 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 working on security-sensitive mobile software, such as key management, secure storage, cryptography, or financial products.
• Strong grasp of mobile engineering best practices, including CI/CD, automated testing, release management, and observability.
• A get-things-done mindset with the ability to independently own problems and deliver end-to-end solutions.
• Comfortable making long-term architectural decisions while remaining pragmatic and adaptable.
• B.Sc. in Computer Science / Engineering or equivalent practical experience.
• Remote role in a distributed team; preference for candidates in the Americas time zone

Big Advantages

• Rust and/or WebAssembly (Wasm) experience, particularly building cross-platform SDKs consumed by mobile apps.
• Experience designing shared core logic used across iOS and Android.
• Experience with advanced mobile security primitives (secure hardware, MPC, low-level crypto).
• Prior experience owning or founding a mobile platform or SDK from scratch.

For employees hired to work from our NYC HQ, Fireblocks is required by law to include a reasonable estimate of the compensation range for this role. This range is specific to New York City, and takes into consideration a wide range of factors that are reviewed when making a hiring decision, such as years of experience, skills, and other business needs.

It is not typical for a candidate to be hired at or near the top of the pay range and each compensation decision is dependent on each individual case. A reasonable base salary range estimate for this position is $177,000 to $230,000. The base salary is one component of the total compensation package, which for some roles may include a target bonus, a very competitive equity grant, and very generous benefits. While we believe competitive compensation is a critical aspect of you deciding to join us, we do hope you also spend time considering why our mission and culture are right for you. We are creating something transformational here, and we hope you are as excited about the future as we are.