Senior Software Engineer, Transaction Security
Fireblocks
Posted: April 19, 2026
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Quick Summary
Fireblocks is a pioneer in the digital assets space, offering a secure platform for companies to work with digital assets and trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world.
Required Skills
Job Description
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.
Fireblocks is one of the most well-funded and fastest-growing start-ups in the crypto and blockchain space. We’re on a mission to enable every business in the world to securely and easily support digital assets and cryptocurrencies - helping thousands of organizations securely mint, transfer, and store crypto.
About the Team
In the Security Engineering Unit at Fireblocks, you will be responsible for designing and implementing core components that are crucial to the security of the platform and clients.
We work in small, elite, fast-moving teams and we build intuitive, fun, and easy-to-use applications while keeping a world-class security architecture.
What You'll Do
As part of your role, you will be expected to find creative solutions to a variety of logical and visual challenges, working closely with our Product and Design teams.
You will be able to demonstrate a profound understanding of cybersecurity, demonstrating this by your ability to lead brainstorming, ideation, research, and the development of groundbreaking security features and products.
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!
What You'll Bring
• 5+ years of experience in Fullstack development, with a strong background in architecting and building complex & large web applications.
• Experience working with React & NodeJS and Typescript.
• A deep understanding of the cybersecurity world (Attack & Defense) - big advantage
• Experience with blockchain or cryptography - big advantage
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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