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Smart Contract Developer Jobs in Washington (NOW HIRING)

IntellectEU

Solidity Developer

Manassas, VA · On-site

$52.50 - $67.75/hr

Design, build, and deploy distributed ledger technology (DLT) solutions and smart contracts using ... Contribute to continuous improvement, DevOps practices, and operational support. * Work with AWS ...

IntellectEU

Solidity Developer

Manassas, VA · On-site

$52.50 - $67.75/hr

Design, build, and deploy distributed ledger technology (DLT) solutions and smart contracts using ... Contribute to continuous improvement, DevOps practices, and operational support. * Work with AWS ...

SWIFT VA

Blockchain Operations Engineer

Manassas, VA

$225K/yr

Certifications in cloud, DevOps, or blockchain technologies. * Knowledge of cybersecurity and ... Smart Contract Operations * Support deployment and maintenance of smart contracts in production.

SWIFT

Blockchain Operations Engineer

Manassas, VA · On-site

$225K/yr

Certifications in cloud, DevOps, or blockchain technologies. * Knowledge of cybersecurity and ... Smart Contract Operations * Support deployment and maintenance of smart contracts in production.

SZNS Solutions

Software Engineer

Reston, VA

Work with blockchain and smart contract technologies to create Web3 solutions. * Collaboration: Work closely with designers, project managers, and other engineers to meet project goals. * Code ...

Swift

Blockchain Developer

Manassas Park, VA

$225K/yr

Blockchain Developer We're the world's leading provider of secure financial messaging services ... Write secure, efficient smart contracts using languages like Solidity or Rust * Conduct code ...

SWIFT VA

Blockchain Developer

Manassas, VA

$225K/yr

Write secure, efficient smart contracts using languages like Solidity or Rust * Conduct code ... Mentor junior developers and contribute to technical leadership * Stay updated on emerging ...

SWIFT

Blockchain Developer

Manassas, VA · On-site

$225K/yr

Write secure, efficient smart contracts using languages like Solidity or Rust * Conduct code ... Mentor junior developers and contribute to technical leadership * Stay updated on emerging ...

Circle

Senior Counsel, Arc

Washington, DC

$230K - $297K/yr

Partner with Product, Engineering, Compliance, and Policy to shape blockchain features and smart contract structures aligned with applicable laws. * Design and implement legal policies, protocols ...

SZNS Solutions LLC

Software Engineer

Reston, VA · On-site

Work with blockchain and smart contract technologies to create Web3 solutions. * Collaboration: Work closely with designers, project managers, and other engineers to meet project goals. * Code ...

SZNS Solutions LLC

Software Engineer

Reston, VA

Work with blockchain and smart contract technologies to create Web3 solutions. * Collaboration: Work closely with designers, project managers, and other engineers to meet project goals. * Code ...

SZNS Solutions LLC

Software Engineer

Reston, VA · On-site

Work with blockchain and smart contract technologies to create Web3 solutions. * Collaboration: Work closely with designers, project managers, and other engineers to meet project goals. * Code ...

SZNS Solutions LLC

Software Engineer

Reston, VA

Work with blockchain and smart contract technologies to create Web3 solutions. * Collaboration: Work closely with designers, project managers, and other engineers to meet project goals. * Code ...

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Showing results 1-20

All JobsSmart Contract Developer JobsSmart Contract Developer Jobs in Washington

Smart Contract Developer information

See Washington salary details

$45.3K

$146.5K

$179.5K

How much do smart contract developer jobs pay per year?

As of Jun 8, 2026, the average yearly pay for smart contract developer in Washington is $146,499.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,100.00 and $177,800.00 per year, depending on experience, location, and employer.

What is the difference between Smart Contract Developer vs Blockchain Developer?

AspectSmart Contract DeveloperBlockchain Developer
CredentialsKnowledge of Solidity, Ethereum, smart contract securityKnowledge of blockchain protocols, cryptography, and development tools
Work EnvironmentFocus on writing, testing, and deploying smart contracts on blockchain platformsDevelops entire blockchain applications, including smart contracts and decentralized apps
Industry UsagePrimarily in DeFi, NFT, and blockchain-specific projectsBroader blockchain solutions, including infrastructure and application development

While both roles work within the blockchain industry, a Smart Contract Developer specializes in creating and securing smart contracts, whereas a Blockchain Developer has a broader scope, including building entire blockchain systems and applications.

What are Smart Contract Developers?

Smart Contract Developers are professionals who design, write, and deploy self-executing contracts on blockchain platforms such as Ethereum. These contracts encode rules and agreements into code, enabling automated and trustless transactions between parties. Smart Contract Developers are skilled in blockchain technologies and programming languages like Solidity, and they ensure that contracts are secure, efficient, and function as intended. They often work with decentralized applications (dApps) and participate in the broader ecosystem of blockchain development.

What are the key skills and qualifications needed to thrive as a Smart Contract Developer, and why are they important?

To thrive as a Smart Contract Developer, you need a strong grasp of blockchain fundamentals, proficiency in programming languages like Solidity or Vyper, and experience with decentralized application (dApp) development. Familiarity with tools such as Truffle, Hardhat, Remix, and knowledge of smart contract auditing and security best practices is essential. Analytical thinking, attention to detail, and strong problem-solving skills are critical soft skills for this role. These abilities ensure the creation of secure, efficient, and reliable smart contracts that underpin trustworthy decentralized systems.

What are some common challenges Smart Contract Developers face when working on blockchain projects?

Smart Contract Developers often encounter challenges such as ensuring code security, avoiding vulnerabilities like reentrancy attacks, and dealing with the immutability of deployed contracts, which makes fixing bugs post-deployment difficult. Additionally, they must stay updated on rapidly evolving blockchain frameworks and tools, and work closely with auditors and project managers to ensure compliance and correctness. Collaborating with front-end and back-end developers is also key, as smart contracts often form the backbone of decentralized applications requiring seamless integration.
What are popular job titles related to Smart Contract Developer jobs in Washington? For Smart Contract Developer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Smart Contract Developer jobs in Washington look for? The top searched job categories for Smart Contract Developer jobs in Washington are:
What cities in Washington are hiring for Smart Contract Developer jobs? Cities in Washington with the most Smart Contract Developer job openings:
Smart Contract Developer jobs near you
Infographic showing various Smart Contract Developer job openings in Washington as of May 2026, with employment types broken down into 53% Full Time, 1% Part Time, 1% Temporary, and 45% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $146,499 per year, or $70.4 per hour.

Solidity Developer

IntellectEU

Manassas, VA • On-site

$52.50 - $67.75/hr

Other

Posted 2 days ago

Job description

IntellectEUis an international technology company focused on digital finance and emerging technologies. At IntellectEU we are on a mission to become the top-of-mind fintech company. We are committed to our people and believe in building a better future with the newest technologies. We give rising talent and industry veterans the space to explore, launch ideas, and collaborate closely with our clients. With our technical hands-on experience in payments, blockchain and capital markets, there's no challenge that's left unsolved. Over the past two decades, we have earned our expertise in financial technology, executing on hundreds of complex integrations and co-creating new digital asset platforms alongside our clients.
Type of cooperation - on-site, Manassas (Virginia)
Responsibilities:

  • Design, build, and deploy distributed ledger technology (DLT) solutions and smart contracts using Solidity, Java, and REST APIs.
  • Implement secure transaction logic using cryptographic techniques to protect digital assets and prevent unauthorized access.
  • Research, develop, and implement various blockchain protocols and consensus algorithms.
  • Collaborate with Product Owners and technical teams to gather requirements and define technical solutions.
  • Integrate blockchain solutions with enterprise systems, databases, and APIs.
  • Analyze and troubleshoot system performance, network issues, and blockchain transaction problems.
  • Develop documentation and technical specifications for blockchain implementations.
  • Contribute to continuous improvement, DevOps practices, and operational support.
  • Work with AWS deployment environments and infrastructure tools.

Requirements:

Must have

  • Bachelor's or Master's degree in information technology, computer science, engineering, or equivalent experience.
  • Solid foundation in smart contracts development and relevant technologies (Solidity, Typescript, Vyper etc).
  • Knowledge of smart contract dev tools/frameworks - foundry, hardhat, openzeppelin libraries (Upgradeable contracts, proxy patterns)
  • Knowledge of smart contract security aspects (re-entrance attack, Race conditions, Integer overflow/underflow, Denial of service, etc).
  • Experience with Solidity security testing tools like Slither, Mythril, and Echidna
  • Production experience with EVM-based blockchain applications.
  • Familiarity with basic cryptography and P2P networks.
  • Experience with web3.js or ether.js, and crypto wallets like MetaMask or MEW.
  • Understanding of RESTful web services design.
  • Understanding of the modern development ecosystem: Git, CI/CD, and automated testing.


    Nice to have

    • Experience with Hyperledger Besu
    • Proficiency with databases such as MySQL, Oracle, and MongoDB.
    • Knowledge of Level 2 scaling technologies
    • Experience with implementing ERC20 and ERC721 or IERC1155 contracts.

    We guarantee:

    • International experience in a stable company: the company has offices in Antwerp, Lisbon, Krakow, Kyiv, New York and operates on the market for over 15 years.
    • A passionate team in an innovative, casual, positive, and open work environment ready to meet your new ideas.
    • Great opportunities for personal and professional development as well as the chance to change the way the business works in the financial world.


    Join us to make an impact on the entire financial world!


    By submitting your application, you acknowledge that IntellectEU processes your personal data for recruitment purposes based on pre-contractual steps and legitimate interests. Your data may be shared with authorized personnel and service providers, including BambooHR, and transferred internationally with appropriate safeguards. We retain applicant data for up to 24 months unless otherwise required by law or requested for earlier deletion. For more details, see ourPrivacy Policy.

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