Blockchain Developer - Fireblocks, cryptography and key management
Job Title: Fireblocks Implementation Specialist – DeveloperLocation: Dallas or San Francisco (Onsite)Employment Type: ContractExperience Level: Mid-Senior (8–15 years)Job SummaryWe are seeking a highly skilled Fireblocks Implementation Specialist – Developer 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.You will play a critical role in building secure, scalable systems for digital asset custody, transfers, and transaction workflows.Key ResponsibilitiesDesign and implement integrations with Fireblocks APIs, SDKs, and webhooksDevelop backend services for wallet management, transaction orchestration, and automation workflowsImplement secure key management solutions leveraging MPC (Multi-Party Computation)Configure transaction policies, role-based access controls, and approval workflowsBuild monitoring, alerting, and reporting tools for digital asset operationsTroubleshoot and resolve issues related to blockchain transactions and API integrationsCollaborate with DevOps, Security, and Product teams to deploy scalable solutionsEnsure adherence to U.S. compliance and security standards (SOC 2, ISO 27001, PCI where applicable)Support audit processes and maintain proper documentationRequired Qualifications4+ years of software development experience (Java, Python, Node.js, or Go)Strong experience with REST APIs, webhooks, and microservices architectureHands-on experience with Fireblocks or similar custody platforms (e.g., Coinbase Custody, BitGo)Solid understanding of blockchain protocols (Bitcoin, Ethereum, etc.)Knowledge of cryptography and key management (MPC, wallets, digital signatures)Experience with cloud platforms (AWS preferred, Azure/GCP acceptable)Familiarity with CI/CD pipelines, Docker, KubernetesStrong debugging and system design skillsPreferred QualificationsExperience in fintech, crypto exchanges, or Web3 companiesKnowledge of smart contracts (Solidity)Experience with HSMs (Hardware Security Modules)Understanding of U.S. regulatory environment (FinCEN, SEC considerations for digital assets)Prior experience working in client-facing or implementation roles