Senior C++ Engineer, Blockchain



Tel Aviv-Yafo, Israel
Posted on Wednesday, October 4, 2023

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.

The key management team in Fireblocks is responsible for the software components that govern the creation, management and usage of cryptographic keys, in the context of making on-chain and off-chain operations for our clients, directly handling the most sensitive and secret bits of information within the Fireblocks platform, while operating in an extremely adversarial environment. You'll take part in building and maintaining Fireblock's key-management system, it's backup-and-recovery infrastructure and it's cold & hot wallet offerings. As part of your role you'll implement cryptographic algorithms and protocols, explore possible integrations (for example, with hardware security modules, to securely store and manage cryptographic keys), design and implement backup and recovery procedures, improve the performance of cryptographic operations such as reducing the time it takes to generate keys or sign data, all while ensuring that all cryptographic operations are performed in the most secure manner and while taking into consideration scalability aspects.


  • At least 3-5 years of experience in C++ development.
  • Experience with cryptography - advantage.
  • Experience working on a high-scale distributed system - advantage.
  • A security-oriented approach and mindset. Experience with secure coding practices.
  • Strong problem-solving and analytical skills, capable to independently explore, propose and implement well thought out solutions.
  • Ability to learn quickly and adapt to changing requirements and priorities.

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.

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