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Web3 Software Engineer Jobs in Fairfax, VA (NOW HIRING)

SZNS Solutions LLC

Software Engineer

Reston, VA · On-site

... AI, data engineering, blockchain, and cloud-native software application development." We are ... Work with blockchain and smart contract technologies to create Web3 solutions. * Collaboration:

SZNS Solutions LLC

Software Engineer

Reston, VA · On-site

... AI, data engineering, blockchain, and cloud-native software application development." We are ... Work with blockchain and smart contract technologies to create Web3 solutions. * Collaboration:

SZNS Solutions LLC

Software Engineer

Reston, VA · On-site

... AI, data engineering, blockchain, and cloud-native software application development." We are ... Work with blockchain and smart contract technologies to create Web3 solutions. * Collaboration:

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

... Senior Software Engineer to join our growing team. As a Senior Engineer, you will lead the ... Web3 Technologies: Drive the development of decentralized applications and smart contracts in the ...

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

... Senior Software Engineer to join our growing team. As a Senior Engineer, you will lead the ... Web3 Technologies: Drive the development of decentralized applications and smart contracts in the ...

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

... Senior Software Engineer to join our growing team. As a Senior Engineer, you will lead the ... Web3 Technologies: Drive the development of decentralized applications and smart contracts in the ...

Circle

Staff Software Engineer

Washington, DC · On-site +1

$195K - $257K/yr

The Staff Software Engineer is responsible for extending Circle's in-house blockchain systems ... Web3, blockchain, smart Contract business logic * RESTful API design and development principles

SZNS Solutions LLC

Engineering Manager

Reston, VA · On-site

... software application development." Role Summary Our mission is to build a different kind of ... Background in managing teams working on AI/ML pipelines, LLM tooling, or Web3/blockchain ...

SZNS Solutions LLC

Engineering Manager

Reston, VA · On-site

... software application development." Role Summary Our mission is to build a different kind of ... Background in managing teams working on AI/ML pipelines, LLM tooling, or Web3/blockchain ...

SZNS Solutions LLC

Engineering Manager

Reston, VA

... software application development." Role Summary Our mission is to build a different kind of ... Background in managing teams working on AI/ML pipelines, LLM tooling, or Web3/blockchain ...

SWIFT

Blockchain Developer

Manassas, VA · On-site

$225K/yr

Mentor junior developers and contribute to technical leadership * Stay updated on emerging ... Deep understanding of smart contracts, cryptography, consensus mechanisms, and Web3 technologies

SWIFT VA

Blockchain Developer

Manassas, VA

$225K/yr

Mentor junior developers and contribute to technical leadership * Stay updated on emerging ... Deep understanding of smart contracts, cryptography, consensus mechanisms, and Web3 technologies

All JobsWeb3 Software Engineer JobsWeb3 Software Engineer Jobs in Fairfax, VA

Web3 Software Engineer information

See Fairfax, VA salary details

$65K

$151K

$210.4K

How much do web3 software engineer jobs pay per year?

As of Aug 27, 2026, the average yearly pay for web3 software engineer in Fairfax, VA is $151,016.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,800.00 and $177,100.00 per year, depending on experience, location, and employer.

What is a Web3 software engineer?

A Web3 Software Engineer is a developer who specializes in building decentralized applications (dApps) using blockchain technologies. They work with smart contracts, distributed ledgers, and protocols like Ethereum to create secure and transparent applications that run without central authority. Web3 engineers often use languages such as Solidity or Rust and are skilled in integrating front-end interfaces with blockchain backends. Their work is crucial for projects in decentralized finance (DeFi), NFTs, and other blockchain-based ecosystems.

What are the key skills and qualifications needed to thrive as a Web3 software engineer?

To thrive as a Web3 Software Engineer, you need strong programming skills (especially in JavaScript, Solidity, and smart contract development), a solid understanding of blockchain fundamentals, and experience with decentralized applications (dApps). Familiarity with tools and frameworks like Ethereum, Truffle, Hardhat, and relevant security certifications is typically expected. Problem-solving, attention to detail, and effective communication are essential soft skills for collaborating in rapidly evolving, decentralized environments. These skills ensure secure, efficient, and innovative blockchain solutions that meet the demands of the Web3 ecosystem.

What are some common challenges Web3 software engineers face when developing decentralized applications?

Web3 Software Engineers often encounter challenges related to the rapidly evolving ecosystem, such as keeping up with frequent updates to blockchain protocols and development tools. Ensuring security in smart contracts and managing gas fees effectively are also significant concerns. Additionally, integrating decentralized systems with traditional web infrastructure can require creative problem-solving and collaboration with backend and DevOps teams. Adaptability and a proactive approach to learning are key to navigating these challenges successfully.

What is the difference between Web3 Software Engineer vs Blockchain Developer?

AspectWeb3 Software EngineerBlockchain Developer
CredentialsProficiency in blockchain protocols, smart contract languages (Solidity, Rust), and web developmentStrong understanding of blockchain architecture, cryptography, and smart contract development
Work EnvironmentCollaborates with front-end and back-end teams on decentralized applicationsFocuses on designing, coding, and testing blockchain protocols and smart contracts
Industry UsageUsed across DeFi, NFT platforms, and decentralized appsPrimarily in blockchain protocol development and core smart contract creation

While both roles involve blockchain technology, a Web3 Software Engineer develops decentralized applications integrating blockchain with web interfaces, whereas a Blockchain Developer focuses on building and optimizing blockchain protocols and smart contracts. The roles often overlap but differ mainly in scope and focus within the blockchain ecosystem.

What are popular job titles related to Web3 Software Engineer jobs in Fairfax, VA?

For Web3 Software Engineer jobs in Fairfax, VA, the most frequently searched job titles are:

What job categories do people searching Web3 Software Engineer jobs in Fairfax, VA look for?

The top searched job categories for Web3 Software Engineer jobs in Fairfax, VA are:

What cities near Fairfax, VA are hiring for Web3 Software Engineer jobs?

Cities near Fairfax, VA with the most Web3 Software Engineer job openings:

Web3 Software Engineer jobs near you

Software Engineer

SZNS Solutions LLC

Reston, VA • On-site

Full-time

Re-posted yesterday

Job description

"SZNS Solutions (pronounced "seasons") is a technology consulting company and Google Cloud Partner based in Reston VA. We specialize in delivering agentic AI and cloud computing solutions. Founded by ex-Googlers with engineers from Google, Amazon, and Capital One, SZNS differentiates itself particularly in AI, data engineering, blockchain, and cloud-native software application development.”

We are looking for an Entry-Level Software Engineer to join our growing team! As a member of our dynamic and fast-paced environment, you’ll have the opportunity to contribute to exciting projects in cloud computing, web3, and decentralized technologies. You will work alongside talented engineers, learning from experienced professionals while helping to build innovative solutions for our clients and internal initiatives.

Responsibilities
  • End-to-End Development: Design, develop, and deploy full-stack solutions for web-based, decentralized, and cloud-native platforms.
  • Frontend Excellence: Build intuitive and responsive user interfaces using modern JavaScript frameworks like React, Vue, or NextJS.
  • Backend Development: Implement server-side logic using Node.js, Python, or a similar backend framework.
  • Database Management: Design and manage relational (e.g., PostgreSQL, MySQL) and/or NoSQL (e.g., MongoDB) databases.
  • Cloud Development: Design and deploy infrastructure on cloud services, mainly Google Cloud Platform.
  • API Integration: Develop and consume RESTful or GraphQL APIs to connect different components of the ecosystem.
  • Decentralized Technologies: 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 Quality: Ensure the quality of code through testing, peer reviews, and maintaining clear documentation.

Requirements

  • Experience: 1+ years of professional experience in full-stack development, or a recently earned degree in Computer Science, Engineering, or a related field.
  • Frontend Expertise: Familiarity with JavaScript and modern frameworks (React, Vue, NextJS, etc.).
  • Backend Proficiency: Exposure to backend languages like Node.js, Python, Java, or Go.
  • Database Skills: Understanding of relational and/or NoSQL databases.
  • Cloud Platform Knowledge: Basic understanding of cloud technology, preferably the GCP ecosystem.
  • Problem Solver: Strong analytical and problem-solving skills with a focus on delivering scalable solutions.
  • Team Player: Excellent communication skills and the ability to collaborate in a team-oriented environment.
  • GCP Certification: GCP certified or willing to complete at least 1 certification within 1 month after joining.
  • Engineering Excellence: Willingness to grow and continue learning.
Preferred Qualifications
  • Familiarity with decentralized technologies and blockchain concepts.
  • Experience with version control tools like Git.
  • Internship or personal projects showcasing your development skills.

Benefits

  • Competitive salary and benefits package.
  • Hybrid work environment (MWF in-person in our Reston office).
  • A collaborative and innovative work environment.
  • Continuous learning and development opportunities.