Fireblocks Implementation Specialist - Blockchain Infrastructure Engineer

About the role

p> strong>Hiring Now Fireblocks Implementation Specialist - Blockchain Infrastructure Engineer /strong> /p> p>Dallas, TX / San Francisco, CA(Remote/Hybrid) /p> p>Contract Opportunity | Multiple Openings /p> p> br> /p> p>We are looking for senior engineers with strong experience in strong>Fireblocks, HSM/MPC-based signing infrastructure, and large-scale blockchain application design /strong> to support enterprise-grade digital asset custody and transaction platforms. /p> p>This is a highly technical backend/infrastructure-focused role - ideal for candidates with experience building secure blockchain systems in production environments. /p> p> br> /p> p> strong>Core Requirements /strong> /p> ul> li>Hands-on experience with strong>Fireblocks APIs, SDKs, and webhooks /strong> /li> li>Strong understanding of strong>HSM-based signing /strong> and secure key management /li> li>Experience implementing strong>MPC (Multi-Party Computation) /strong> workflows /li> li>Proven ability to design and support strong>large-scale blockchain applications /strong> /li> li>Strong backend engineering skills in strong>Java, Python, Node.js, or Go /strong> /li> li>Experience with REST APIs, microservices, and distributed systems /li> li>Deep understanding of blockchain transaction lifecycle (Bitcoin / Ethereum) /li> li>Experience with AWS, Docker, Kubernetes, CI/CD pipelines /li> /ul> p> br> /p> p> strong>Key Responsibilities /strong> /p> ul> li>Build and support secure digital asset custody infrastructure /li> li>Develop wallet management and transaction orchestration services /li> li>Implement secure signing workflows and approval policies /li> li>Design scalable blockchain transaction systems with high availability /li> li>Troubleshoot production blockchain transaction and API integration issues /li> li>Collaborate with DevOps, Security, and Product teams on enterprise deployments /li> li>Support compliance and audit processes (SOC 2, ISO 27001, PCI) /li> /ul> p> br> /p> p> strong>Preferred Background /strong> /p> ul> li>Crypto exchanges / fintech / digital asset custody platforms /li> li>Fireblocks, BitGo, Coinbase Custody, MPC infrastructure /li> li>Blockchain infrastructure engineering /li> li>High-throughput transaction systems /li> li>Smart contracts / Solidity exposure /li> /ul> p> br> /p> p> strong>Important: /strong> /p> p> This role requires deep backend and blockchain infrastructure experience. Candidates with only frontend Web3 or basic dApp development experience may not be the right fit. /p> p> /p>