Full Stack Blockchain Engineer

The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks’ platform and network 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 BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands more.The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks' platform and network 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 BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands more.About The TeamThe Wallet Flows team is leading a strategic transformation of Fireblocks' core infrastructure. We're methodically redesigning and rewriting major system components to create next-generation architecture that enhances security, scalability, and performance.Our team blends industry veterans and rising talent, united by excellence and a results-driven mindset. We value seasoned expertise alongside fresh perspectives, fostering an environment where pragmatic solutions and innovation thrive together.About The RoleWe are looking for a Full Stack Engineer with a strong blockchain foundation. In this role, you will work across the entire stack from user-facing interfaces to backend services and on-chain integrations to build and evolve the systems that power institutional digital asset operations.You will serve as a technical bridge between raw blockchain capabilities and the polished wallet experiences delivered to customers. This means diving into protocol-level details one day and refining a transaction workflow UI the next. Your blockchain expertise will directly inform how we design, build, and ship features that handle billions in transaction volume.What You'll DoDesign and build end-to-end features across frontend, backend, and blockchain layers that power Fireblocks' wallet infrastructureArchitect and deliver mission-critical components while maintaining 24/7 operations with zero disruption to live transaction volumeResearch and integrate blockchain technologies including Layer 2 solutions, cross-chain bridges, staking protocols, and DeFi integrations into the Fireblocks platformDevelop intuitive, responsive interfaces that surface complex blockchain operations in a clear and actionable way for institutional usersCollaborate with blockchain foundations, vendors, builders, and customers to understand protocol design, tooling, and integration requirementsBalance pragmatism with vision - make smart trade-offs to deliver incremental value while steadily advancing toward next-generation architecture goalsCollaborate with product, engineering, and security teams to define technical requirements and deliver cohesive solutionsMentor and guide other engineers on blockchain technologies, full stack patterns, and best practicesWhat You'll Bring5+ years of full stack development experience with modern frontend frameworks (TypeScript) and backend services ( Go, or Python)3+ years of hands-on experience in the blockchain ecosystem — working with protocols, on-chain data, smart contracts, or wallet infrastructureKnowledge of consensus mechanisms, cryptographic primitives, and distributed systemsStrong understanding of microservices architecture, API design, and modern frontend patternsDemonstrated ability to apply AI tools for programming with experience in vibe codingStrong verbal and written communication skills and a collaborative mindsetExperience working in cross-functional teams and fast-paced environmentsA curious mind, willing to learn, including new coding languages and tech stacks. PreferredExperience building blockchain solutions for enterprise or institutional use casesUnderstanding of security best practices for smart contracts and blockchain systemsExperience with MPC, multi-signature wallets, or other advanced cryptographic techniquesExperience with institutional DeFi, staking protocols, or custody solutionsExperience modernizing and transforming mission-critical production systems with minimal disruptionBachelor's degree in Computer Science, Engineering, or related field; Master's degree preferredSuccess Criteria & ImpactYou deliver features end-to-end — from UI to on-chain integration — with high quality and minimal iterationYour blockchain expertise is consistently leveraged as a foundation for architectural and product decisionsYou are considered a subject matter expert by internal engineering teams across both application and protocol layersConsistent contribution to the Fireblocks platform by pushing impactful design and code to productionFor 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.Fireblocks' mission is to enable every business to easily and securely access digital assets and cryptocurrencies. In order to do that, we strongly believe our workforce should be as diverse as our clients, and this is why we embrace diversity and inclusion in all its forms. Please see our candidate privacy policy here.