Cryptography Jobs in Web3

141 jobs found

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Job Position Company Posted Location Salary Tags

PURVIEW

San Francisco, CA, United States

$98k - $100k

Paypal

Austin, TX, United States

$178k - $265k

Hatch IT

Washington, United States

$150k - $200k

visa

Highlands Ranch, CO

$143k - $230k

Synonym

Remote

Byzantine Finance

Remote

syncreonconsulting

United States

$85k - $95k

devoteam

Lisboa, Portugal

$63k - $75k

Ethereum Foundation

Remote

$96k

Anza

United States

$90k - $150k

CertiK

Remote

$120k - $220k

inetum2

Lisbon, Portugal

$94k - $149k

Fireblocks

Remote

$88k - $110k

PURVIEW
$98k - $100k estimated
CA San Francisco US

Job Title: Fireblocks Implementation Specialist – Developer

Location: Dallas or San Francisco (Onsite)

Employment Type: Contract

Experience Level: Mid-Senior (8–15 years)


Job Summary

We 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 Responsibilities

  • Design and implement integrations with Fireblocks APIs, SDKs, and webhooks
  • Develop backend services for wallet management, transaction orchestration, and automation workflows
  • Implement secure key management solutions leveraging MPC (Multi-Party Computation)
  • 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

Required Qualifications

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

Preferred Qualifications

  • Experience in fintech, crypto exchanges, or Web3 companies
  • Knowledge 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

Is cryptography a good career?

Cryptography can be a very rewarding and fulfilling career for those who are interested in mathematics, computer science, and security

Cryptography is the science of protecting information from unauthorized access or modification, and it plays a critical role in information security

With the increasing need for secure communication and transactions in our digital world, there is a growing demand for professionals with expertise in cryptography

Cryptography professionals can work in a variety of fields, including government agencies, financial institutions, technology companies, and more

Cryptography requires strong analytical and problem-solving skills, as well as an understanding of algorithms and programming

In addition, communication skills are important, as cryptography professionals often work in teams and must be able to explain complex concepts to non-technical stakeholders

If you have a strong interest in mathematics, computer science, and security, and enjoy solving complex problems, cryptography can be an excellent career choice with many opportunities for growth and advancement.