Blockchain Jobs

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Job Position Company Posted Location Salary Tags

The Brixton Group

Boston, MA, United States

$81k - $107k

OpenZeppelin

Remote

$105k - $180k

10xvaluepartnersgmbh

Dubai, United Arab Emirates

$90k - $101k

columbiauniversity1

New York, NY, United States

$105k - $144k

CertiK

Remote

$72k - $150k

Serotonin

New York, NY, United States

$110k - $125k

Serotonin

New York, NY, United States

$75k - $110k

Serotonin

New York, NY, United States

$85k - $130k

CertiK

Remote

$120k - $220k

Wintermute

London, United Kingdom

$22k - $31k

Wintermute

London, United Kingdom

$22k - $31k

BitGo

Palo Alto, CA, United States

Ondo Finance

United States

$126k - $180k

Seedify

Lisbon, Portugal

$84k - $88k

Seedify

Amsterdam, Netherlands

$84k - $88k

The Brixton Group
$81k - $107k estimated
MA Boston US
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Duration:3+ months
Compensation:$80-110/hr
Location: 100% REMOTE

We’re seeking experienced Blockchain Engineers with Solidity expertise to design, develop, and deploy smart contracts and decentralized applications. This is a hands-on engineering role that requires strong programming skills, deep understanding of blockchain platforms, and the ability to deliver secure and scalable solutions.

Responsibilities:

  • Design, develop, test, and deploy smart contracts using Solidity.
  • Build and maintain decentralized applications (dApps) and integrate with front-end and backend services.
  • Translate business and technical requirements into secure, high-performance blockchain solutions.
  • Write clean, well-documented, and maintainable code with comprehensive test coverage.
  • Collaborate with product managers, architects, and engineers to deliver end-to-end blockchain solutions.
  • Perform code reviews, identify risks, and implement best practices for security and performance.
  • Stay current with the latest blockchain frameworks, tools, and security standards.
Requirements:
  • Strong proficiency in Solidity and hands-on experience developing smart contracts.
  • Solid understanding of blockchain fundamentals such as consensus mechanisms, gas optimization, and contract security.
  • Experience working with Ethereum or EVM-compatible platforms.
  • Familiarity with web3.js/ethers.js and blockchain integration patterns.
  • Proficiency with software development practices including Git, CI/CD, and agile delivery.
  • Strong problem-solving skills and attention to detail.
Nice to Have:
  • Experience with other blockchain languages/frameworks (e.g., Rust, Go, Move).
  • Familiarity with layer 2 solutions, rollups, or cross-chain protocols.
  • Background in financial services, DeFi, or enterprise blockchain applications.
  • Understanding of security vulnerabilities such as reentrancy, overflows, or front-running, and mitigation strategies.

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What does a blockchain developer do?

A blockchain developer is a software developer who specializes in the development of applications that make use of blockchain technology

Some of the responsibilities of a blockchain developer may include:

  • Designing and implementing smart contracts.
  • Creating and maintaining the infrastructure that supports the blockchain network, and developing user-facing applications that make use of the blockchain.
  • Additionally, a blockchain developer may also be responsible for researching and staying up-to-date with the latest developments in blockchain technology, in order to ensure that their applications are secure and efficient.