Fireblocks Implementation Specialist – Blockchain Infrastructure Engineer

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 Requirements Hands-on experience with Fireblocks APIs, SDKs, and webhooks Strong understanding of HSM-based signing and secure key management Experience implementing MPC (Multi-Party Computation) workflows Proven ability to design and support large-scale blockchain applications Strong backend engineering skills in Java, Python, Node.js, or Go Experience with REST APIs, microservices, and distributed systems Deep understanding of blockchain transaction lifecycle (Bitcoin / Ethereum) Experience with AWS, Docker, Kubernetes, CI/CD pipelines Key Responsibilities Build and support secure digital asset custody infrastructure Develop wallet management and transaction orchestration services Implement secure signing workflows and approval policies Design scalable blockchain transaction systems with high availability Troubleshoot production blockchain transaction and API integration issues Collaborate with DevOps, Security, and Product teams on enterprise deployments Support compliance and audit processes (SOC 2, ISO 27001, PCI) Preferred Background Crypto exchanges / fintech / digital asset custody platforms Fireblocks, BitGo, Coinbase Custody, MPC infrastructure Blockchain infrastructure engineering High-throughput transaction systems Smart contracts / Solidity exposure Important: 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.