Fireblocks Implementation Specialist – Blockchain Infrastructure Engineer (Santa Rosa)
Hiring Now Fireblocks Implementation Specialist – Blockchain Infrastructure EngineerDallas, TX / San Francisco, CA(Remote/Hybrid)Contract Opportunity | Multiple OpeningsWe are looking for senior engineers with strong experience in Fireblocks, HSM/MPC-based signing infrastructure, and large-scale blockchain application design to support enterprise-grade digital asset custody and transaction platforms.This is a highly technical backend/infrastructure-focused role — ideal for candidates with experience building secure blockchain systems in production environments.Core RequirementsHands-on experience with Fireblocks APIs, SDKs, and webhooksStrong understanding of HSM-based signing and secure key managementExperience implementing MPC (Multi-Party Computation) workflowsProven ability to design and support large-scale blockchain applicationsStrong backend engineering skills in Java, Python, Node.js, or GoExperience with REST APIs, microservices, and distributed systemsDeep understanding of blockchain transaction lifecycle (Bitcoin / Ethereum)Experience with AWS, Docker, Kubernetes, CI/CD pipelinesKey ResponsibilitiesBuild and support secure digital asset custody infrastructureDevelop wallet management and transaction orchestration servicesImplement secure signing workflows and approval policiesDesign scalable blockchain transaction systems with high availabilityTroubleshoot production blockchain transaction and API integration issuesCollaborate with DevOps, Security, and Product teams on enterprise deploymentsSupport compliance and audit processes (SOC 2, ISO 27001, PCI)Preferred BackgroundCrypto exchanges / fintech / digital asset custody platformsFireblocks, BitGo, Coinbase Custody, MPC infrastructureBlockchain infrastructure engineeringHigh-throughput transaction systemsSmart contracts / Solidity exposureImportant: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.