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Job Position Company Posted Location Salary Tags

PURVIEW

San Francisco, CA, United States

$90k - $112k

ICE

Chicago, IL, United States

$72k - $75k

Henderson Scott

New York, NY, United States

$100k - $140k

KPG99 INC

New York, NY, United States

$63k - $100k

PURVIEW

San Francisco, CA, United States

$98k - $100k

ether.fi

New York, NY, United States

$180k - $260k

Bank of America

Charlotte, NC, United States

$86k - $90k

Swift

United States

$101k - $188k

iCapital

Salt Lake City, UT, United States

$120k - $145k

Partnerverse

United States

$39k - $75k

USEReady

Atlanta, GA, United States

$87k - $112k

Uniswap

New York, NY, United States

$226k - $282k

RQD* Clearing

New York, NY, United States

$150k - $200k

Genesis NGN

New York, NY, United States

$114k - $127k

Largeton Group

New York, NY, United States

$0k

PURVIEW
$90k - $112k estimated
San Francisco Bay Area US

Hiring Now Fireblocks Implementation Specialist – Blockchain Infrastructure Engineer

Dallas, TX / San Francisco, CA(Remote/Hybrid)

Contract Opportunity | Multiple Openings


We 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.

What does a solidity developer do?

A Solidity developer is a programmer who specializes in writing smart contracts using the Solidity programming language

Solidity is a contract-oriented, high-level language for implementing smart contracts on various blockchain platforms, such as Ethereum

The responsibilities of a Solidity developer can vary depending on the specific project they are working on, but some common tasks they might be responsible for include:

  • Writing and testing Solidity code for smart contracts, Debugging and troubleshooting issues with existing smart contracts
  • Collaborating with other members of the development team to ensure that the contracts are implemented according to the project's specifications
  • Keeping up-to-date with the latest developments in the Solidity and blockchain communities, and incorporating new best practices and techniques into their work
  • Participating in code reviews and contributing to the development of coding standards and guidelines for the project.