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Senior Blockchain Developer Jobs in Washington, DC

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127.40K - $168K/yr

... components. * DevOps: Ensure operational efficiency when developing and delivering completed ... Drive the development of decentralized applications and smart contracts in the blockchain space.

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127.40K - $168K/yr

... components. * DevOps: Ensure operational efficiency when developing and delivering completed ... Drive the development of decentralized applications and smart contracts in the blockchain space.

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127.40K - $168K/yr

... components. * DevOps: Ensure operational efficiency when developing and delivering completed ... Drive the development of decentralized applications and smart contracts in the blockchain space.

SZNS Solutions LLC

Senior Software Engineer

Reston, VA · On-site

$127.40K - $168K/yr

... components. * DevOps: Ensure operational efficiency when developing and delivering completed ... Drive the development of decentralized applications and smart contracts in the blockchain space.

Circle

Senior Counsel, Arc

Washington, DC · On-site

$230K - $297.50K/yr

As Senior Counsel on the Product Legal team, you will provide strategic legal support for the ... Partner with Product, Engineering, Compliance, and Policy to shape blockchain features and smart ...

Circle

Senior Software Engineer

Washington, DC · Remote

$152.50K - $205K/yr

The Senior Software Engineer is responsible for extending Circle's in-house blockchain systems infrastructure to support the tokenization of the world; analyzing requirements, procedures, and ...

VivSoft Technologies LLC

Senior Software Developer

Herndon, VA · On-site +1

$56 - $74/hr

These factories deliver AI/ML Applications, Data Science Platforms, Blockchain and Microservices for DoD, Healthcare and Civilian Agencies Job Summary: The Senior Software Developer serves as a key ...

VivSoft Technologies

Senior Software Developer

Herndon, VA · Remote

$55.75 - $73.75/hr

These factories deliver AI/ML Applications, Data Science Platforms, Blockchain and Microservices for DoD, Healthcare and Civilian Agencies Job Summary: The Senior Software Developer serves as a key ...

VIA

Senior DevOps Specialist

Washington, DC

$147.20K - $189.10K/yr

As a Senior DevOps Specialist, you will join VIA's DevOps team to help drive the deployment ... Deployment of blockchain nodes (e.g., experience with configuration of Ethereum miners)

Via

Senior DevOps Specialist

Washington, DC · On-site

$147.20K - $189.10K/yr

As a Senior DevOps Specialist, you will join VIA's DevOps team to help drive the deployment ... Deployment of blockchain nodes (e.g., experience with configuration of Ethereum miners)

via.com

Senior DevOps Specialist

Washington, DC · On-site

$147.20K - $189.10K/yr

As a Senior DevOps Specialist, you will join VIA's DevOps team to help drive the deployment ... Deployment of blockchain nodes (e.g., experience with configuration of Ethereum miners)

Circle

Senior AML Analyst, Sanctions

Washington, DC · Remote

$97.50K - $127.50K/yr

... and programmable blockchain infrastructure. Circle's platform includes the world's largest ... What you'll be responsible for As a Senior AML Analyst, Sanctions, you will play a critical role in ...

Circle

Principal Creative, Copy

Washington, DC

$172.50K - $222.50K/yr

... and programmable blockchain infrastructure. Circle's platform includes the world's largest ... What you'll bring to Circle: * 10+ years' experience as a senior writer or Creative Director (Copy)

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How much do senior blockchain developer jobs pay per hour?

As of May 28, 2026, the average hourly pay for senior blockchain developer in Washington, DC is $69.92, according to ZipRecruiter salary data. Most workers in this role earn between $59.38 and $78.41 per hour, depending on experience, location, and employer.

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

To thrive as a Senior Blockchain Developer, you need advanced programming skills (especially in languages like Solidity, Go, or Rust), deep understanding of blockchain protocols, and a track record in designing and deploying decentralized applications. Proficiency with tools such as Ethereum, Hyperledger, smart contract development frameworks, and familiarity with security best practices are typically required. Strong problem-solving abilities, collaboration, and clear communication are essential soft skills for leading projects and mentoring teams. These skills ensure the secure, efficient, and innovative development of blockchain solutions in a rapidly evolving technology landscape.

What are some common challenges Senior Blockchain Developers face when integrating blockchain solutions with existing enterprise systems?

Senior Blockchain Developers often encounter challenges when integrating blockchain technology with legacy enterprise systems, such as ensuring seamless data interoperability, maintaining security standards, and managing scalability. These integrations may require custom middleware, careful mapping of data flows, and alignment with existing compliance frameworks. Collaborating closely with DevOps, security teams, and business analysts is essential to address these hurdles effectively and to create robust, scalable blockchain solutions that deliver real business value.

What is a Senior Blockchain Developer?

A Senior Blockchain Developer is an experienced software engineer who specializes in designing, developing, and maintaining blockchain-based applications and systems. They work with distributed ledger technologies, smart contracts, and various blockchain protocols such as Ethereum, Hyperledger, or Solana. Senior Blockchain Developers are responsible for architecting secure and scalable solutions, leading development teams, and staying up-to-date with industry advancements. Their role often involves collaborating with stakeholders, ensuring code quality, and mentoring junior developers.

What is the difference between Senior Blockchain Developer vs Blockchain Engineer?

AspectSenior Blockchain DeveloperBlockchain Engineer
Required CredentialsBS/MS in Computer Science, certifications like Certified Blockchain DeveloperSimilar credentials, often with additional focus on infrastructure
Work EnvironmentDevelops blockchain applications, smart contracts, and protocolsBuilds and maintains blockchain infrastructure and networks
Employer & Industry UsageTech companies, startups, financial institutionsBlockchain firms, fintech, enterprise solutions
Search & Comparison IntentUnderstanding roles in blockchain developmentFocus on blockchain infrastructure and network engineering

While both roles involve blockchain technology, Senior Blockchain Developers primarily focus on creating applications and smart contracts, whereas Blockchain Engineers concentrate on building and maintaining blockchain infrastructure. Both roles require similar skills and credentials, but their day-to-day tasks and focus areas differ within the blockchain ecosystem.

What are the most commonly searched types of Blockchain Developer jobs in Washington, DC? The most popular types of Blockchain Developer jobs in Washington, DC are:
What are popular job titles related to Senior Blockchain Developer jobs in Washington, DC? For Senior Blockchain Developer jobs in Washington, DC, the most frequently searched job titles are:
What job categories do people searching Senior Blockchain Developer jobs in Washington, DC look for? The top searched job categories for Senior Blockchain Developer jobs in Washington, DC are:
Senior Blockchain Developer jobs near you
Infographic showing various Senior Blockchain Developer job openings in Washington, DC as of May 2026, with employment types broken down into 1% Internship, 21% Full Time, 77% Part Time, and 1% Contract. Highlights an 60% Physical, 23% Hybrid, and 17% Remote job distribution, with an average salary of $145,425 per year, or $69.9 per hour.

Senior Software Engineer

SZNS Solutions LLC

Reston, VA • On-site

$127.40K - $168K/yr

Full-time

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 seeking a talented Senior Software Engineer to join our growing team. As a Senior Engineer, you will lead the development of cutting-edge solutions in cloud computing, web3, and decentralized technologies, while mentoring junior engineers. You will play a critical role in shaping our client-facing and internal projects, helping us build scalable, innovative products in a dynamic and fast-paced environment.
Responsibilities
  • End-to-End Development: Lead the design, development, and deployment of full-stack solutions for cloud-native and decentralized applications.
  • Frontend Leadership: Architect and develop highly responsive, user-friendly interfaces using modern frameworks such as React, Vue, or NextJS.
  • Backend Architecture: Implement robust server-side logic with technologies like Node.js, Python, Java, or Go.
  • Database Design: Lead the design and management of both relational (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.
  • Cloud Infrastructure: Architect, deploy, and manage scalable cloud infrastructure primarily within Google Cloud Platform (GCP).
  • API Development: Design and implement efficient RESTful and GraphQL APIs for seamless integration between various components.
  • DevOps: Ensure operational efficiency when developing and delivering completed systems.
  • Web3 Technologies: Drive the development of decentralized applications and smart contracts in the blockchain space.
  • Team Leadership & Collaboration: Mentor junior engineers, conduct code reviews, and collaborate closely with designers, project managers, and other stakeholders.
  • Code Quality & Best Practices: Ensure that the team follows best practices for testing, code quality, and documentation.
  • Innovation: Stay ahead of industry trends, introducing new technologies and tools that can improve our development processes.

Requirements
  • Experience: 5+ years of professional experience in full-stack software development.
  • Technical Expertise: Advanced knowledge of JavaScript and modern frontend frameworks (React, Vue, NextJS).
  • Backend Proficiency: Strong experience developing backend technologies using modern programming languages such as Node.js, Python, Java, or Go.
  • Database Expertise: Proficient in designing and managing relational and NoSQL databases.
  • Cloud Platform Expertise: Deep understanding of cloud platforms, particularly Google Cloud Platform (GCP).
  • DevOps Expertise: Strong experience in DevOps including deploying cloud native services, designing and implementing automated testing, and setting up monitoring for highly available systems.
  • Problem-Solving: Excellent problem-solving skills with a focus on scalable, high-performance solutions.
  • Leadership: Strong leadership skills, with the ability to mentor and guide junior engineers.
  • Collaboration: Ability to communicate effectively and work cross-functionally with various teams.
  • 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
  • Experience working in a startup or fast-paced environment.
  • Familiarity with Figma or similar design tools for translating UI/UX into code.
  • Knowledge of security best practices in cloud development, web development, and blockchain integration.
  • Passion for decentralized technologies and innovative web solutions.

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.

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