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. Founded in 2018 and already valued at over $8 billion, Fireblocks is a SaaS platform that helps companies to create innovative products on the blockchain and manage day-to-day crypto operations. Fireblocks is 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, to securely scale digital asset operations through the Fireblocks Network and MPC-based wallet infrastructure. We have offices in New York, London, Tel Aviv, and Singapore, and we are continuing to expand our teams to reach new customers globally. What You’ll Do We’re looking for a Senior Software Engineer to join our Core Infrastructure team. In this role, you will be responsible for designing and implementing core components crucial to the product's scalability.As part of your role, you will be expected to find creative solutions to various architectural and implementation challenges, designing and executing solutions for a unique set of problems we encounter as a state-of-the-art technical product. you will be expected to take full ownership of your work — from initial design and implementation through to deployment and production support. You drive features end-to-end, see them through to completion, and take responsibility for their success. What You’ll Bring Strong coding skills in C++/Rust (5+ years). Proven experience designing and operating large-scale distributed services in production, on hyperscale cloud infrastructure (AWS preferred). Hands-on experience with AWS managed services (EC2, EKS, S3, KMS) - strong advantage. Active daily use of AI tools in your engineering workflow (Copilot, Cursor, Claude, etc.). Proven ability to own a problem end-to-end: design, implementation, deployment, and production support. Python - advantage. Experience with blockchain, cryptography, or MPC - strong advantage. If you are an innovative developer with self-learning skills, who likes to research new technologies, and you're passionate about engineering and solving hard problems – come and join us! 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.