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Hire expert blockchain developers in Washington, US

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We have over 14,500 blockchain developers who've worked in many different industries and cover various styles and skillsets.
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Trusted by companies around the world

"Vladislav was responsible for all development from A to Z and based on his great expertise and knowledge about Blockchain development, he completed the project very perfectly and delivered on time. I believe his blockchain development skills and with him, we could complete our presale successfully with large Market..."
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Lukasz @ Charlie Unicorn AI
Nov 27, 2025
"I had the pleasure of working with Lok Lee during his time as a Software Engineer at OpenPhron.ai, and I can say with confidence that he was one of the driving forces behind the progress we made in the early stages of the product. Lok demonstrated exceptional skill in full-stack development — particularly in React,..."
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Guillermo @ OpenPhron.ai
Nov 26, 2025
"Awesome Engineer and love to work with him more and more. Excellent his leading skillset is also attractive."
Sven @ Sky Talent Management
Nov 25, 2025
"Working with Bharath Vishnu was an absolute pleasure. He was incredibly responsive, understood our needs perfectly, and delivered exactly what we were looking for. He communicated clearly throughout the project, making the entire process straightforward and positive. Apart from this, he transformed and delivered my vision..."
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Sanwar @ Crocklytech
Nov 20, 2025
"This is really innovation platform. No need to find other farming pool It can support all of chain. If you wanna make profit, use this. This is easy to use and manage."
martin @ phron.ai
Nov 15, 2025
"Pretty Good Developer I felt happy all time that work with you."
Riora @ Personal Work
Nov 11, 2025
"Working with Twine enabled us to scale projects quicker than before and the Twine Business makes it so easy to manage and pay contractors over the world."
-Josh Bolland
CEO, J B Cole
"I found an amazing designer and she's fast. I now send her my ideas and she transforms them into great design. The collaboration is fast, professional and easy. It feels like she is already part of our team."
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-Achim Kohli
CEO, Legal-i
5 star reviews

Clients Rate Twine Blockchain Developers

5

/ 5.0

on average across

82
82

reviews as of December 5, 2025

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From the blog

Frequently Asked Questions

What does a Blockchain Developer do?

A Blockchain Developer is responsible for designing, implementing, and maintaining blockchain systems and applications. They specialize in creating decentralized applications (dApps) and smart contracts, ensuring security and scalability. Key tasks include:

  • Developing blockchain architecture and protocols.
  • Writing and testing smart contracts.
  • Integrating blockchain applications with existing systems.
  • Ensuring the security of blockchain networks.
  • Collaborating with other developers and stakeholders to refine project requirements.

How to Hire a Blockchain Developer in Washington, US?

To hire a Blockchain Developer in Washington, US, start by defining your project requirements clearly. Create a comprehensive job description that outlines necessary skills, experience, and project goals. Utilize platforms like Twine to post your job and browse through portfolios of qualified candidates. Consider reaching out to your network for referrals. Conduct interviews to assess technical skills and cultural fit, ensuring the developer aligns with your project vision.

How much does it cost to hire a Blockchain Developer in Washington, US?

The cost to hire a Blockchain Developer in Washington, US varies based on experience levels:

  • Beginner: $25 - $50 per hour
  • Junior: $50 - $100 per hour
  • Mid-level (industry average): $100 - $150 per hour
  • Senior: $150 - $200 per hour
  • Expert: $200+ per hour

What qualities set exceptional Blockchain Developers apart from the rest?

Exceptional Blockchain Developers possess a combination of technical expertise and soft skills. Key qualities include:

  • Strong proficiency in blockchain technologies and programming languages such as Solidity and JavaScript.
  • Problem-solving abilities to tackle complex challenges.
  • Attention to detail to ensure security and efficiency.
  • Excellent communication skills for collaboration with teams and stakeholders.
  • A commitment to staying updated with emerging trends and technologies in the blockchain space.

How do you recognize the perfect Blockchain Developer in Washington, US for your needs?

To find the perfect Blockchain Developer in Washington, US, evaluate candidates based on their relevant experience and portfolio. Look for developers who have successfully completed projects similar to yours. Conduct thorough interviews to gauge their problem-solving abilities and communication skills. Additionally, check references and reviews from previous clients to assess their reliability and professionalism in delivering quality work.

What are the key questions to ask in a Blockchain Developer interview?

When interviewing a Blockchain Developer, consider these key questions:

  • What blockchain platforms are you most experienced with?
  • Can you describe a challenging project you've worked on and how you overcame obstacles?
  • How do you ensure the security of the applications you develop?
  • What is your approach to staying updated with blockchain trends?
  • How do you handle tight deadlines and project changes?

What’s the difference between hiring a freelance Blockchain Developer and working with an agency in Washington, US?

Hiring a freelance Blockchain Developer offers flexibility and potentially lower costs, as freelancers typically have lower overhead compared to agencies. Freelancers can provide personalized attention to your project. On the other hand, working with an agency often ensures a team of experts with diverse skills, which can be beneficial for larger projects requiring multiple competencies. Agencies can offer more structured processes and project management support, but may come at a higher price.

What should be in a Blockchain Developer project brief/job description?

Your Blockchain Developer project brief should include:

  • A clear project overview and objectives.
  • Specific skills and technologies required.
  • Project timelines and milestones.
  • Budget constraints and payment terms.
  • Any necessary qualifications or certifications.
  • Details on how you will measure success and deliverables.

How do I hire a Blockchain Developer in Washington, US on Twine?

Hiring on Twine is simple.

  1. Post a job with your project details, timeline, and budget.
  2. Browse portfolios of vetted Blockchain Developers and invite those who match your needs.
  3. Receive proposals and compare experience, pricing, and reviews.
  4. Communicate expectations, set milestones, and finalize the hire.
  5. Securely pay through Twine, ensuring protection for both parties. Twine connects you with top freelance Blockchain Developers, making it easy to find the perfect creative professional for your project.

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