Senior Backend Engineer (Web3)

Senior Backend Engineer

Company

Fireblocks

Conditions

5 days ago Senior Tel Aviv, Israel Onsite Backend Jobs by Fireblocks

Fireblocks Fireblocks is an enterprise-grade platform delivering a secure infrastructure for moving, storing, and issuing digital assets. It enables exchanges, custodians, banks, trading desks, and hedge funds to securely scale digital asset operations through its patent-pending SGX & MPC technology. Distributed Funding Series E ($550M) Series D ($310M) Series C ($133M) Investors SVB Capital BNY Mellon Stripes Coatue Spark Capital About Fireblocks Fireblocks is an enterprise-grade platform that provides a secure infrastructure for moving, storing, and issuing digital assets. It enables financial institutions like exchanges, custodians, banks, trading desks, and hedge funds to securely scale their digital asset operations. The company was founded by Michael Shaulov, Idan Ofrat, and Pavel Berengoltz after they investigated a major cyber breach. Fireblocks utilizes breakthrough Multi-Party Computation (MPC) and patent-pending chip isolation technology to secure private keys and API credentials. The platform supports various use cases including treasury management, wallet as a service, tokenization, payments, and DeFi, and provides a complete development platform with APIs, SDKs, and tutorials for building on the blockchain. View jobs by Fireblocks

Skills

Microservices Protocols Smartcontracts Architecture Security Defi Backend Blockchain Ai

About the Role

You will architect and implement scalable backend solutions for Digital Asset Yield at Fireblocks. You will research security for blockchain technologies smart contracts and liquidity protocols to identify vulnerabilities before integration. You will leverage AI and ML driven solutions to detect security anomalies optimize capital efficiency and enhance the resilience of core yield services. You will solve hard engineering problems where precision matters and ensure seamless interactions with yield products while maintaining asset security. You will lead by example by championing secure coding practices and contributing to threat modeling and code reviews for financial logic.

Requirements

• 7+ years of backend development experience.
• Strong understanding of system design principles distributed systems and scalability.
• Proven experience designing deploying and monitoring microservices based architectures in production environments.
• Security background.
• Blockchain and DeFi knowledge.
• AI tooling experience with agents MCPs or tools like Claude Code and Cursor.

Responsibilities

• Architect scalable backend systems hardened against complex attack vectors in Digital Asset Yield environments.
• Research security for blockchain technologies smart contracts and liquidity protocols to identify vulnerabilities before integration.
• Integrate AI for enhanced security and optimization by deploying AI ML driven solutions to detect security anomalies and improve asset yield efficiency.
• Solve mission critical engineering problems with precision to ensure seamless interactions with Digital Asset Yield products while maintaining asset security.
• Lead by example by championing secure coding practices and participating in code reviews and threat modeling for all financial logic.

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