
Join Fireblocks' Blockchain Backend Infrastructure team to build and maintain the blockchain management platform trusted by BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands of other financial institutions and Web3 companies. As a Blockchain Engineer, you'll take a central role in researching and integrating blockchain technologies into the Fireblocks platform, serving as the technical bridge between raw on-chain capabilities and wallet features delivered to 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 blockchain technology and become an expert in the fundamentals, protocols, and features of the chains supported by Fireblocks
- Collaborate 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 bring
- 5+ years of backend development experience in modern languages such as Go, Python, or 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
Nice to have
- 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
What we offer
- Base salary range of 305,000 – 400,000 PLN annually (for employees hired to work from Poland)
- Target bonus and competitive equity grant as part of the total compensation package
- Generous benefits
About Fireblocks
Fireblocks provides the simplest and most secure way for companies to work with digital assets. The platform and network are trusted by leading financial institutions, banks, globally-recognized brands, and Web3 companies worldwide to manage blockchain technology and digital asset operations.