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Blockchain Or Web3 Solidity Defi Developer Engineer Jobs

... Web3 payments infrastructure. Responsibilities : • Design, develop, and deploy secure smart ... DeFi protocols or DEX infrastructure • Contributions to blockchain open source projects or ...

$128K - $168K/yr

Develop and deploy secure smart contracts using Solidity. * Collaborate with cross-functional teams ... Knowledge of decentralized finance (DeFi) and blockchain protocols. * Excellent problem-solving and ...

... De-Fi Developer & Engineer - someone who has a true passion for innovation using blockchain ... Comfortable or native in web3 technology and cryptocurrency markets * Proven experience of an ...

... De-Fi Developer & Engineer - someone who has a true passion for innovation using blockchain ... Comfortable or native in web3 technology and cryptocurrency markets * Proven experience of an ...

Three or more years of experience building and launching production web3 backend systems * Strong ... Solidity DeFi protocols development * JavScript BE with NodeJS Additional Information The Company ...

Required Skills & Qualifications

Dallas, TX · On-site

$52.25 - $67.25/hr

... Solidity. * Implement blockchain solutions that meet business and technical requirements ... Familiarity with decentralized finance (DeFi), NFTs, or Web3 technologies is a plus. Experience * 6 ...

Required Skills & Qualifications

Jersey City, NJ · On-site

$54.75 - $70.75/hr

... Solidity. * Implement blockchain solutions that meet business and technical requirements ... Familiarity with decentralized finance (DeFi), NFTs, or Web3 technologies is a plus. Experience * 6 ...

... BAAS or AWS. Qualifications : Required : • Blockchain developer with experience with Ethereum platform. • Writing Smart Contracts in Solidity. • web3.js framework and api development. • ...

Blockchain Engineer

Manhattan, NY · On-site

$88K - $119K/yr

Proficiency in Solidity smart contract development, including testing frameworks (Hardhat, Foundry ... Hands-on experience with Web3 libraries such as Web3J, Web3JS, Ethers.js, or Viem * Solid ...

Write secure, efficient smart contracts using languages like Solidity or Rust * Conduct code ... Familiarity with DeFi, NFTs, wallets, and token standards (ERC-20, ERC-721) * Knowledge of security ...

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Blockchain Or Web3 Solidity Defi Developer Engineer information

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$59.5K

$111.6K

$203K

How much do blockchain or web3 solidity defi developer engineer jobs pay per year?

As of Sep 1, 2026, the average yearly pay for blockchain or web3 solidity defi developer engineer in the United States is $111,632.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,500.00 and $132,500.00 per year, depending on experience, location, and employer.

What is the difference between Blockchain Or Web3 Solidity Defi Developer Engineer vs Blockchain Or Web3 Solidity Defi Developer Engineer?

AspectBlockchain Or Web3 Solidity Defi Developer Engineer

Since both titles are identical, there is no difference in roles, skills, or industry usage. They typically require knowledge of blockchain development, smart contracts, Solidity, and DeFi protocols, working in blockchain or crypto companies. Both roles focus on developing decentralized applications and smart contracts on blockchain platforms.

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Infographic showing various Blockchain Or Web3 Solidity Defi Developer Engineer job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 33% In-person, and 67% Remote job distribution, with an average salary of $111,632 per year, or $53.7 per hour.

Full-time

Re-posted yesterday


Job description

Job Summary:
Fun.xyz is a company focused on creating a tokenized future that enables financial emancipation through blockchain technology. They are seeking a Protocol Engineer to join their core blockchain team, where the role involves designing and implementing smart contract systems and blockchain integrations for Web3 payments infrastructure.
Responsibilities:
• Design, develop, and deploy secure smart contracts and protocol implementations across multiple blockchain platforms
• Collaborate with backend and product teams to architect blockchain solutions that meet business requirements
• Write highly efficient, well-tested code and participate in security audits to ensure protocol safety
• Research and evaluate new blockchain technologies, protocols, and DeFi primitives for integration opportunities
• Contribute to incident response and debugging on-chain issues to ensure protocol reliability
Qualifications:
Required:
• Strong experience building and deploying production smart contracts on major blockchain platforms
• Deep understanding of blockchain architecture, consensus mechanisms, and cryptographic principles
• Hands-on experience with smart contract development languages (Solidity, Rust, Move, etc.)
• Solid grasp of DeFi protocols, token standards, and cross-chain communication patterns
• Strong security mindset with knowledge of common smart contract vulnerabilities and best practices
• Clear communicator who can explain complex blockchain concepts to cross-functional teams
Preferred:
• Production experience with multiple blockchain ecosystems (Ethereum, Solana, L2s, etc.)
• Previously worked at crypto startup or Web3 infrastructure company
• Experience with cross-chain bridges, oracles, or interoperability protocols
• Background with high-volume DeFi protocols or DEX infrastructure
• Contributions to blockchain open source projects or protocol research
• Experience with formal verification or advanced smart contract testing frameworks
Company:
Fun develops payment infrastructure designed for web3 and digital asset transactions. Founded in 2022, the company is headquartered in San Francisco, USA, with a team of 11-50 employees. The company is currently Early Stage.