Role Overview
Fireblocks is hiring a mid-level Full Stack Engineer, Blockchain. This is a full-time role in London. Part of Fireblocks's Backend hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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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.
Founded in 2018, Fireblocks is the platform of choice for major financial institutions, banks, and globally recognized companies looking to scale their digital asset operations. We combine MPC-based wallet infrastructure with a best-in-class custody and settlement network, and we're trusted to secure hundreds of billions in assets. With offices in New York, London, Tel Aviv, and Singapore, we're growing our engineering teams to support customers at a global scale.
About the Role
Join the Blockchain Backend Infrastructure team and take a position in building and maintaining Fireblocks's blockchain management platform. You'll be responsible for building cutting-edge blockchain infrastructure while implementing high-throughput, real-time scalable software solutions.
As a Blockchain Engineer, you will be instrumental in the research and integration of blockchain technologies into the Fireblocks platform. Your responsibilities will include collaborating closely with foundations and developers to gain a deep understanding of blockchain protocols and on-chain projects, then applying that knowledge to implement new features within the platform.
You will focus equally on external protocol integration patterns and internal wallet infrastructure. This role serves as a technical bridge between raw on-chain capabilities and the wallet features delivered to our customers.
What You'll Do
- Implement modern backend applications and infrastructure in a microservices architecture, using the latest technologies and development practices.
- Deep dive into the latest blockchain technology and become an expert in the fundamentals, protocols, and features of the chains we support.
- Collaborate effectively with developers, engineers, and other roles while demonstrating strong independent problem-solving abilities.
- Contribute to production reliability through on-call participation, incident response, and post-incident follow-ups.
What You'll Bring
- 5+ years of backend development experience in modern languages (Go, Python, JavaScript/TypeScript)
- 3+ years of hands-on blockchain development experience
- Experience working on high-scale distributed systems
- Understanding of microservices architecture and API design
- Knowledge of consensus mechanisms, cryptographic primitives, and distributed systems
- Strong problem-solving skills and attention to detail
- Strong verbal and written communication skills and a collaborative mindset
Preferred
- Experience building blockchain solutions for enterprise or institutional use cases
- Understanding of security best practices for smart contracts and blockchain systems
- Demonstrated ability to apply AI tools in day-to-day development
- Understanding of MPC, multi-signature wallets, or other advanced cryptographic techniques
- Bachelor's degree in Computer Science, Engineering, or a related field
- Experience with Docker, Kubernetes, and Helm
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.
Frequently Asked Questions
How do I apply for the Full Stack Engineer, Blockchain position at Fireblocks?
Use the Apply button above to submit your application directly to Fireblocks. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Full Stack Engineer, Blockchain position at Fireblocks located?
This position is based in London. Fireblocks has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Full Stack Engineer, Blockchain at Fireblocks earn?
Fireblocks has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Full Stack Engineer, Blockchain role at Fireblocks posted?
This role was posted on April 14, 2026 (67 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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