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Smart Contract Engineer Jobs in Reston, VA (NOW HIRING)

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

Drive the development of decentralized applications and smart contracts in the blockchain space. * Team Leadership & Collaboration: Mentor junior engineers, conduct code reviews, and collaborate ...

SZNS Solutions LLC

Senior Software Engineer

Reston, VA

$127K - $168K/yr

Drive the development of decentralized applications and smart contracts in the blockchain space. * Team Leadership & Collaboration: Mentor junior engineers, conduct code reviews, and collaborate ...

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

Drive the development of decentralized applications and smart contracts in the blockchain space. * Team Leadership & Collaboration: Mentor junior engineers, conduct code reviews, and collaborate ...

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

Drive the development of decentralized applications and smart contracts in the blockchain space. * Team Leadership & Collaboration: Mentor junior engineers, conduct code reviews, and collaborate ...

M.C. Dean, Inc

Contracts Manager 4

Tysons, VA · On-site

$90K - $120K/yr

... engineering expertise and smart systems integration. Why Join Us? Our people are passionate about ... Responsibilities In this role as Contract Manager 4 , you will be responsible for end-end contract ...

M.C. Dean, Inc

Contracts Specialist 5

Tysons, VA · On-site

... engineering expertise and smart systems integration. Why Join Us? Our people are passionate about ... Take prime responsibility for the contract management function for the division working with the ...

ICF

Contracts Manager (Remote)

Reston, VA · Remote

$92K - $123K/yr

Our CET division helps clients achieve smart, resilient, and low-carbon-growth by leveraging our ... Lead the contract review and negotiation process for new proposals, RFP awards, amendments to ...

ICF International, Inc.

Contracts Manager (Remote)

Reston, VA · On-site +1

$92K - $123K/yr

Our CET division helps clients achieve smart, resilient, and low-carbon-growth by leveraging our ... Lead the contract review and negotiation process for new proposals, RFP awards, amendments to ...

Stream Realty

Lead Building Engineer

Washington, DC · On-site

$116K - $152K/yr

... firm's core values: smart, honest, nice, and passionate. For more information, visit www ... service contracts; provides technical assistance to the Chief Building Engineer and performs ...

New

Navstar

Software Engineer

Mclean, VA

... smart, and articulate technologist Development experience with the following stack Backend: Java ... S. Citizenship essential to comply with government contract/agency or department of Federal ...

PURIS Corporation, LLC

Field Engineer

Hyattsville, MD · On-site

... with smart, sustainable resource management. The PURIS Family of Companies provides trenchless ... with contract specifications. * Help communicate and enforce project budgets and productions.

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All JobsSmart Contract Engineer JobsSmart Contract Engineer Jobs in Reston, VA

Smart Contract Engineer information

See Reston, VA salary details

$39.5K

$120.5K

$199.2K

How much do smart contract engineer jobs pay per year?

As of Jun 10, 2026, the average yearly pay for smart contract engineer in Reston, VA is $120,540.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,300.00 and $157,600.00 per year, depending on experience, location, and employer.

What are some common challenges Smart Contract Engineers face when ensuring contract security?

Smart Contract Engineers often encounter challenges related to identifying and mitigating vulnerabilities such as reentrancy attacks, integer overflows, and unauthorized access. Since smart contracts are immutable once deployed, engineers must rigorously test and audit their code to prevent costly errors or exploits. Collaborating with auditors, using established security frameworks, and staying updated on the latest security threats are essential practices to maintain robust and secure smart contracts.

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

AspectSmart Contract EngineerBlockchain Developer
CredentialsKnowledge of blockchain platforms, Solidity, cryptographyBroader programming skills, blockchain fundamentals
Work EnvironmentFocus on smart contract coding, testing, deploymentDeveloping blockchain applications, protocols
Industry UsagePrimarily in DeFi, NFT, and dApp projectsWide range including wallets, exchanges, dApps
Search IntentComparing smart contract roles, coding specificsBroader blockchain development roles

While both roles work within the blockchain industry, a Smart Contract Engineer specializes in designing, coding, and deploying smart contracts on blockchain platforms. A Blockchain Developer has a broader scope, including developing entire blockchain applications and protocols. The Smart Contract Engineer's focus is more technical and contract-specific, whereas the Blockchain Developer's role encompasses a wider range of blockchain solutions.

What is a Smart Contract Engineer?

A Smart Contract Engineer is a software developer who specializes in designing, developing, testing, and deploying smart contracts on blockchain platforms such as Ethereum. These professionals write code—often in languages like Solidity or Vyper—that runs autonomously on the blockchain and governs transactions or agreements without the need for intermediaries. They also focus on security, auditing, and optimizing smart contract performance to prevent vulnerabilities. Smart Contract Engineers typically collaborate with blockchain architects, front-end developers, and project managers to build decentralized applications (dApps).

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

To thrive as a Smart Contract Engineer, you need strong proficiency in blockchain fundamentals, programming languages like Solidity or Vyper, and a solid understanding of cryptographic principles, usually backed by a degree in computer science or related experience. Familiarity with blockchain development frameworks (e.g., Truffle, Hardhat), version control (Git), and security auditing tools is essential. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills for this role. These skills ensure the development of secure, efficient, and reliable smart contracts that underpin decentralized applications and financial systems.
What job categories do people searching Smart Contract Engineer jobs in Reston, VA look for? The top searched job categories for Smart Contract Engineer jobs in Reston, VA are:
What cities near Reston, VA are hiring for Smart Contract Engineer jobs? Cities near Reston, VA with the most Smart Contract Engineer job openings:
Smart Contract Engineer jobs near you
Infographic showing various Smart Contract Engineer job openings in Reston, VA as of June 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 83% Physical, 2% Hybrid, and 15% Remote job distribution, with an average salary of $120,540 per year, or $58 per hour.

Blockchain Developer

S.W.I.F.T. Pan-Americas

Manassas, VA

$225K/yr

Other

Medical, Dental, Vision, Life, Retirement

Posted 28 days ago

Job description

ABOUT US

We're the world's leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value - across borders, through cities and overseas. No other organisation can address the scale, precision, pace and trust that this demands, and we're proud to support the global economy.

We're unique too. We were established to find a better way for the global financial community to move value - a reliable, safe and secure approach that the community can trust, completely. We're always striving to be better and are constantly evolving in an ever-changing landscape, without undermining that trust. Five decades on, our vibrant community reflects the complexity and diversity of the financial ecosystem. We innovate diligently, test exhaustively, then implement fast. In a connected and exciting era, our mission has never been more relevant. Swift now has a presence in 200+ countries and legal territories to serve a community of more than 12,000 banks and financial institutions.

Education

University degree in computer science or related field. Or equivalent work experience.

Experience

10 to 12 years' experience in systems development.

Key Responsibilities

  • Design and develop blockchain-based applications and smart contracts

  • Build and maintain decentralized systems using platforms such as Ethereum, Solana, or Hyperledger Besu

  • Write secure, efficient smart contracts using languages like Solidity or Rust

  • Conduct code reviews, testing, debugging, and security audits

  • Optimize blockchain performance, scalability, and transaction efficiency

  • Integrate blockchain solutions with APIs, databases, and cloud services

  • Mentor junior developers and contribute to technical leadership

  • Stay updated on emerging blockchain technologies, protocols, and best practices

Required Skills & Qualifications

  • Strong experience in blockchain development and distributed systems

  • Proficiency in Solidity, Rust, JavaScript/TypeScript, Go, or Python

  • Deep understanding of smart contracts, cryptography, consensus mechanisms, and Web3 technologies

  • Experience with frameworks/tools such as Hardhat, Truffle, and Foundry

  • Familiarity with DeFi, NFTs, wallets, and token standards (ERC-20, ERC-721)

  • Knowledge of security best practices and vulnerability mitigation

  • Experience with CI/CD pipelines, cloud platforms, and agile development

Preferred Qualifications

  • Bachelor's or Master's degree in Computer Science or related field

  • Contributions to open-source blockchain projects

  • Relevant blockchain certifications or published projects

Typical Outcomes

  • Deliver secure and scalable blockchain products

  • Improve transaction efficiency and platform reliability

  • Support innovation in decentralized finance, digital assets, and enterprise blockchain solutions

The estimated salary range for a new hire into this position in Virginia is $121,564 USD Annual to $225,762 Annual USD. Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. Our compensation packages include a competitive base salary and bonus opportunity for all employees contingent on personal and company performance. Our generous benefits program includes medical, dental, vision and life insurance with no premium costs for our employees and their families, and retirement plan plus matching 401k.

What we offer

We give you the freedom to be yourself. We are creating an environment of unique individuals - like you - with different perspectives on the financial industry and the world. A diverse and inclusive environment in which everyone's voice counts and where you can reach your full potential.

We are committed to an inclusive and accessible recruitment process. If you require a reasonable accommodation related to accessibility during your application or interview, please contact accessibility-Sysgroup@swift.com or indicate this in your application.

Please note that this mailbox is not monitored for general recruitment enquiries and should only be used for accessibility or accommodation-related requests (for example related to vision, hearing or neurodiversity).

All requests are confidential and will not affect your candidacy.

Don't meet every single requirement? At Swift, we are dedicated to building a workplace where people can bring their full selves and ideas to the team, so if you are excited about this role, we encourage you to apply even if you do not meet every single qualification.

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