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Hire expert blockchain developers in Philadelphia, 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

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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 a specialized software engineer responsible for designing, implementing, and maintaining blockchain systems and applications. They create the architecture for blockchain technology, ensuring security and efficiency. Key tasks include:

  • Developing smart contracts and decentralized applications (dApps)
  • Integrating blockchain with existing systems
  • Conducting thorough testing and debugging
  • Collaborating with other developers and stakeholders

In addition, they stay updated on blockchain trends and regulations to ensure compliance and innovation in their projects.

How to Hire a Blockchain Developer in Philadelphia, US?

Hiring a Blockchain Developer in Philadelphia involves several steps to ensure you find the right fit for your project. Start by defining your project requirements clearly, including the specific skills and technologies needed. Next, utilize platforms like Twine to post your job description.

Additionally, consider reaching out through professional networks or local tech meetups to find potential candidates. Review their portfolios and past work to evaluate their expertise. Finally, conduct interviews to assess their problem-solving skills and cultural fit within your organization.

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

The cost of hiring a Blockchain Developer in Philadelphia varies based on experience levels:

  • Beginner: $25 - $50 per hour
  • Junior: $50 - $80 per hour
  • Mid-level: $80 - $120 per hour
  • Senior: $120 - $180 per hour
  • Expert: $180 - $250+ per hour

These rates can fluctuate based on the complexity of your project and the specific skills required.

What qualities set exceptional Blockchain Developers apart from the rest?

Exceptional Blockchain Developers possess a unique blend of technical skills and personal attributes. Key qualities include:

  • Strong programming skills in languages like Solidity, JavaScript, and Go
  • Deep understanding of blockchain technology and its applications
  • Problem-solving abilities and critical thinking
  • Excellent communication skills for teamwork and client interactions
  • Passion for continuous learning and staying updated with trends

These attributes help them create innovative solutions and adapt to the rapidly changing blockchain landscape.

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

Recognizing the perfect Blockchain Developer for your needs involves evaluating their technical skills and cultural fit. Start by reviewing their portfolio and previous projects to gauge their expertise. Look for developers who demonstrate a clear understanding of the specific blockchain technologies relevant to your project.

During interviews, assess their problem-solving skills through practical scenarios. Additionally, consider references and feedback from previous clients to ensure reliability and professionalism. The right developer should align with your project goals and values, ensuring a successful collaboration.

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

When interviewing a Blockchain Developer, consider asking the following key questions:

  • Can you explain a recent blockchain project you worked on and your role in it?
  • What programming languages and frameworks are you most comfortable with?
  • How do you ensure the security and scalability of your blockchain applications?
  • Can you describe your experience with smart contracts?
  • How do you stay updated on blockchain trends and technologies?

These questions will help you assess their expertise, problem-solving abilities, and commitment to professional growth.

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

Hiring a freelance Blockchain Developer offers flexibility and often lower costs, as freelancers typically have fewer overhead expenses. They can work on specific tasks or projects, allowing you to scale your team as needed. Freelancers may provide personalized attention and direct communication.

On the other hand, working with an agency provides access to a diverse team of experts with various skills. Agencies can handle larger projects and provide ongoing support, but may come at a higher cost. Ultimately, your choice should depend on the project's scope, budget, and your specific needs.

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

A well-crafted project brief or job description for a Blockchain Developer should include:

  • Project overview and objectives
  • Required technical skills and experience level
  • Specific blockchain technologies and programming languages needed
  • Timeline and deliverables
  • Budget and payment structure
  • Collaboration expectations and communication preferences

Being clear and detailed in your brief will help attract the right candidates and streamline the hiring process.

How do I hire a Blockchain Developer in Philadelphia, 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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