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Junior Smart Contract Developer Jobs in Washington

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 ...

SWIFT VA

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 ...

ManTech

Junior Developer

Annapolis Junction, MD · On-site

$76K - $128K/yr

The Junior Developer is part of a dynamic development team, focusing on writing efficient and ... Contract Wage Determination, relevant work experience, skills and competencies that align to the ...

ManTech International

Junior Developer

Annapolis, MD · On-site

$76K - $128K/yr

The Junior Developer is part of a dynamic development team, focusing on writing efficient and ... Contract Wage Determination, relevant work experience, skills and competencies that align to the ...

Inadev

Junior Developer

Reston, VA · On-site

$80K - $90K/yr

The Junior Developer contributes to platform feature development on native AWS. You will implement ... S. federal government contracts, applicants may be subject to background investigations and ...

CGI Inc.

Jr. SW Developer

Fairfax, VA · On-site

$68K - $88K/yr

Jr. SW Developer Category: Software Development/ Engineering Main location: United States, Virginia ... JIRA, Confluence • Consulting experience is a plus Due to the nature of government contracts, US ...

Cornerstone Defense

Junior .NET Developer

Reston, VA · On-site

$69K - $90K/yr

Contract * Job #3560 Title: .NET Developer Location: Chantilly, VA *Clearance: *Active TS/SCI w ... The Junior Software Developer will plan, design, develop, and test new software by applying ...

GliaCell Technologies

Junior DevOps Engineer

Annapolis, MD · On-site

$50K - $120K/yr

Are you a Junior DevOps Engineer who is ready for a new challenge that will launch your career to ... Tired of promised adventures during the hiring phase, then being dropped off on a remote contract ...

Inadev

Junior Developer

Reston, VA

$80K - $95K/yr

The Junior Developer builds platform features and services on native AWS. You will implement user ... S. federal government contracts, applicants may be subject to background investigations and ...

Inadev

Junior Developer

Reston, VA · On-site

$80K - $95K/yr

The Junior Developer builds platform features and services on native AWS. You will implement user ... S. federal government contracts, applicants may be subject to background investigations and ...

System One Holdings, LLC

Junior Network Engineer

MD · On-site

$40 - $45/hr

Junior Network Engineer 100% remote US Citizenship is required per government contract Must be able ... smart hands, remote access tools, and vendor agreements. • Create and update technical and ...

Inadev

Junior Developer

Reston, VA · On-site

$80K - $95K/yr

The Junior Developer builds platform features and services on native AWS. You will implement user ... S. federal government contracts, applicants may be subject to background investigations and ...

System One

Junior Network Engineer

Bethesda, MD · Remote

$40 - $45/hr

Junior Network Engineer 100% remote US Citizenship is required per government contract Must be able ... Identify and perform corrective actions on network devices using smart hands, remote access tools ...

System One

Junior Network Engineer

Bethesda, MD · Remote

$40 - $45/hr

Junior Network Engineer 100% remote US Citizenship is required per government contract Must be able ... Identify and perform corrective actions on network devices using smart hands, remote access tools ...

System One

Junior Network Engineer

Bethesda, MD · Remote

$40 - $45/hr

Junior Network Engineer 100% remote US Citizenship is required per government contract Must be able ... Identify and perform corrective actions on network devices using smart hands, remote access tools ...

System One

Junior Network Engineer

Bethesda, MD · Remote

$40 - $45/hr

Junior Network Engineer 100% remote US Citizenship is required per government contract Must be able ... Identify and perform corrective actions on network devices using smart hands, remote access tools ...

Circle

Senior Counsel, Arc

Washington, DC · On-site

$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 ...

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All JobsSmart Contract Developer JobsJunior Smart Contract Developer JobsJunior Smart Contract Developer Jobs in Washington

Junior Smart Contract Developer information

See Washington salary details

$24.9K

$83.7K

$133.8K

How much do junior smart contract developer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for junior smart contract developer in Washington is $83,716.00, according to ZipRecruiter salary data. Most workers in this role earn between $63,600.00 and $97,300.00 per year, depending on experience, location, and employer.

What types of projects and responsibilities can a junior smart contract developer expect in their first year?

As a Junior Smart Contract Developer, you can expect to work on writing, testing, and deploying smart contracts—typically under the guidance of more senior developers. Early responsibilities often include auditing existing code for security vulnerabilities, updating documentation, and contributing to open-source projects or internal tooling. You’ll also collaborate closely with blockchain engineers, product managers, and sometimes front-end teams to ensure seamless integration of smart contracts with decentralized applications. This role offers excellent opportunities to learn from code reviews, participate in team sprints, and gradually take on more complex tasks as you build expertise.

What is a junior smart contract developer?

Junior Smart Contract Developers are entry-level professionals who specialize in writing, testing, and deploying smart contracts—self-executing programs that run on blockchain platforms like Ethereum. They typically work under the supervision of senior developers, helping to build decentralized applications (dApps), audit code, and ensure the security and efficiency of smart contracts. Junior developers often use programming languages such as Solidity and gain hands-on experience with blockchain development tools. Their role is crucial in supporting projects that rely on secure and reliable automated transactions.

What are the key skills and qualifications needed to thrive as a junior smart contract developer, and why are they important?

To thrive as a Junior Smart Contract Developer, you need a solid understanding of blockchain fundamentals, programming skills in languages like Solidity, and a relevant degree or coding bootcamp experience. Familiarity with development tools such as Truffle, Hardhat, and version control systems like Git, as well as basic knowledge of Ethereum and Web3.js, is typically required. Attention to detail, problem-solving abilities, and effective communication help you excel in collaborative and rapidly evolving tech environments. These skills are crucial to ensuring secure, efficient, and reliable smart contract development within blockchain projects.

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

AspectJunior Smart Contract DeveloperBlockchain Developer
CredentialsBasic understanding of blockchain, smart contract languages (Solidity), coding skillsAdvanced blockchain knowledge, programming skills, sometimes certifications
Work EnvironmentEntry-level, focused on smart contract coding and testingBroader blockchain projects, including infrastructure and application development
Industry UsageCommon in blockchain startups, DeFi, and dApp projectsUsed across various blockchain sectors, including enterprise solutions

The main difference is that a Junior Smart Contract Developer specializes in coding and deploying smart contracts, while a Blockchain Developer has a broader role that includes developing entire blockchain applications and infrastructure. The Junior Smart Contract Developer role is more focused and entry-level, whereas Blockchain Developers work on comprehensive blockchain solutions.

What are popular job titles related to Junior Smart Contract Developer jobs in Washington? For Junior Smart Contract Developer jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Junior Smart Contract Developer jobs in Washington look for? The top searched job categories for Junior Smart Contract Developer jobs in Washington are:
What cities in Washington are hiring for Junior Smart Contract Developer jobs? Cities in Washington with the most Junior Smart Contract Developer job openings:
Junior Smart Contract Developer jobs near you
Infographic showing various Junior Smart Contract Developer job openings in Washington as of August 2026, with employment types broken down into 100% Full Time. Highlights an 75% In-person, and 25% Remote job distribution, with an average salary of $83,716 per year, or $40.2 per hour.

Blockchain Developer

SWIFT

Manassas, VA • On-site

$225K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 27 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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