Blockchain Developer - Fireblocks, cryptography and key management

p> strong>Job Title: Fireblocks Implementation Specialist – Developer /strong> /p> p> strong>Location: /strong> Dallas or San Francisco (Onsite) /p> p> strong>Employment Type: /strong> Contract /p> p> strong>Experience Level: /strong> Mid-Senior (8–15 years) /p> p> br> /p> p> strong>Job Summary /strong> /p> p>We are seeking a highly skilled strong>Fireblocks Implementation Specialist – Developer /strong> to lead the integration and development of secure digital asset infrastructure using Fireblocks. This role requires strong backend engineering expertise, API integration experience, and deep knowledge of blockchain technologies and cryptographic security. /p> p>You will play a critical role in building secure, scalable systems for digital asset custody, transfers, and transaction workflows. /p> p> br> /p> p> strong>Key Responsibilities /strong> /p> ul> li>Design and implement integrations with Fireblocks APIs, SDKs, and webhooks /li> li>Develop backend services for strong>wallet management, transaction orchestration, and automation workflows /strong> /li> li>Implement strong>secure key management solutions /strong> leveraging MPC (Multi-Party Computation) /li> li>Configure transaction policies, role-based access controls, and approval workflows /li> li>Build monitoring, alerting, and reporting tools for digital asset operations /li> li>Troubleshoot and resolve issues related to blockchain transactions and API integrations /li> li>Collaborate with DevOps, Security, and Product teams to deploy scalable solutions /li> li>Ensure adherence to strong>U.S. compliance and security standards /strong> (SOC 2, ISO 27001, PCI where applicable) /li> li>Support audit processes and maintain proper documentation /li> /ul> p> br> /p> p> strong>Required Qualifications /strong> /p> ul> li>4+ years of software development experience (Java, Python, Node.js, or Go) /li> li>Strong experience with strong>REST APIs, webhooks, and microservices architecture /strong> /li> li>Hands-on experience with Fireblocks or similar custody platforms (e.g., Coinbase Custody, BitGo) /li> li>Solid understanding of strong>blockchain protocols /strong> (Bitcoin, Ethereum, etc.) /li> li>Knowledge of strong>cryptography and key management /strong> (MPC, wallets, digital signatures) /li> li>Experience with strong>cloud platforms /strong> (AWS preferred, Azure/GCP acceptable) /li> li>Familiarity with strong>CI/CD pipelines, Docker, Kubernetes /strong> /li> li>Strong debugging and system design skills /li> /ul> p> br> /p> p> strong>Preferred Qualifications /strong> /p> ul> li>Experience in strong>fintech, crypto exchanges, or Web3 companies /strong> /li> li>Knowledge of strong>smart contracts (Solidity) /strong> /li> li>Experience with strong>HSMs (Hardware Security Modules) /strong> /li> li>Understanding of strong>U.S. regulatory environment /strong> (FinCEN, SEC considerations for digital assets) /li> /ul> p>Prior experience working in strong>client-facing or implementation roles /strong> /p>

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