Crypto Asset Infra & API Implementation Lead

The Bitcoin Street Journal; San Francisco (CA); Hybrid; USD 140,000 - 180,000; Full time

Job summary

The Bitcoin Street Journal is seeking a skilled Fireblocks Implementation Specialist - Developer to lead the integration and development of secure digital asset infrastructure. This role requires strong backend engineering expertise, API integration experience, and deep knowledge of blockchain technologies and cryptographic security.

You will build secure, scalable systems for digital asset custody, transfers, and transaction workflows, collaborating with cross-functional teams to ensure robust,

Qualifications

• 4+ years of software development experience with Java, Python, Node.js, or Go
• Strong experience with REST APIs, webhooks, and microservices architecture
• Hands-on experience with Fireblocks or similar custody platforms
• 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, Kubernetes
• Strong debugging and system design skills

Responsibilities

• Design and implement integrations with Fireblocks APIs, SDKs, and webhooks
• Develop backend services for wallet management, transaction orchestration, and automation workflows
• Configure transaction policies, role-based access controls, and approval workflows
• Build monitoring, alerting, and reporting tools for digital asset operations
• Troubleshoot and resolve issues related to blockchain transactions and API integrations
• Collaborate with DevOps, Security, and Product teams to deploy scalable solutions
• Ensure adherence to U.S. compliance and security standards (SOC 2, ISO 27001, PCI where applicable)
• Support audit processes and maintain proper documentation

Skills

Backend engineering

REST APIs & webhooks

Blockchain knowledge

Cryptography & key management

Cloud platforms

CI/CD pipelines

System design & debugging

Tools

Fireblocks

Docker

Kubernetes

CI/CD tools

Job description

The Bitcoin Street Journal is seeking a skilled Fireblocks Implementation Specialist - Developer to lead the integration and development of secure digital asset infrastructure. This role requires strong backend engineering expertise, API integration experience, and deep knowledge of blockchain technologies and cryptographic security.

You will build secure, scalable systems for digital asset custody, transfers, and transaction workflows, collaborating with cross-functional teams to ensure robust,