Senior Backend Engineer, Yield

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 Yield Team at Fireblocks is looking for an experienced Backend Developer who views security as a core feature, not an afterthought. In this role, you’ll drive growth in the digital asset space by architecting and integrating Digital Asset Yield protocols. We handle the world’s most valuable assets, and our work demands a security-first engineering culture. You will collaborate with industry leaders to deliver innovative, native products—ranging from decentralized lending to institutional staking—where the safety of customer funds and the integrity of protocol interactions are the highest priorities. Join us to shape the future of the digital assets space by building resilient, trustless solutions for asset optimization. What You’ll Do Architect for Resilience: Design and implement scalable backend systems hardened against the complex attack vectors inherent in Digital Asset Yield environments. Secure Protocol Research: Deep-dive into new blockchain technologies, smart contracts, and liquidity protocols, identifying potential vulnerabilities or risks before integration. Integrate AI for Enhanced Security & Optimization: Explore and deploy AI/ML-driven solutions to automate the detection of security anomalies, optimize capital efficiency, or enhance the operational resilience of core yield services. Mission-Critical Engineering: Solve hard engineering problems where precision is paramount; you’ll ensure that seamless interactions with Digital Asset Yield products never come at the cost of asset security. Lead by Example: Champion secure coding practices within the team, participating in rigorous code reviews and threat modeling for all financial logic. What You’ll Bring 7+ years of experience in backend development. Strong understanding of system design principles, distributed systems, and scalability. Proven experience designing, deploying and monitoring microservices-based architectures in production environments. Security background — Advantage Blockchain & DeFi knowledge — Advantage AI tooling experience — agents, MCPs, or tools like Claude Code and Cursor — Advantage Why Fireblocks? Fireblocks is an equal opportunity employer. We believe that diverse perspectives lead to more robust and secure systems. We embrace an inclusive workplace where we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. 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.