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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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/ 5.0

on average across

82
82

reviews as of December 6, 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 who focuses on designing, implementing, and maintaining blockchain technology. Their primary responsibilities include:

  • Developing blockchain applications and smart contracts.
  • Creating protocols and consensus algorithms.
  • Maintaining and optimizing blockchain networks.
  • Ensuring security and integrity of blockchain systems.
  • Collaborating with other developers and stakeholders to integrate blockchain solutions.

Blockchain Developers play a crucial role in industries like finance, supply chain, and healthcare by enabling secure, transparent, and decentralized solutions.

How to Hire a Blockchain Developer in Bucharest, RO?

Hiring a Blockchain Developer in Bucharest involves a few key steps:

  • Define your project requirements clearly, including the technology stack and expected outcomes.
  • Utilize platforms like Twine to find skilled Blockchain Developers with relevant experience.
  • Review portfolios and past projects to assess their expertise.
  • Conduct interviews to evaluate their technical skills and cultural fit.
  • Discuss terms, including timeline and budget, before finalizing the hire.

Following these steps will help ensure you find the right talent for your blockchain project.

How much does it cost to hire a Blockchain Developer in Bucharest, RO?

The cost to hire a Blockchain Developer in Bucharest varies by experience level:

  • Beginner: €20 - €40 per hour
  • Junior: €40 - €70 per hour
  • Mid-level: €70 - €100 per hour
  • Senior: €100 - €150 per hour
  • Expert: €150+ per hour

These rates can fluctuate based on the complexity of your project and the developer's skill set. It's advisable to budget accordingly to attract the right talent.

What qualities set exceptional Blockchain Developers apart from the rest?

Exceptional Blockchain Developers possess a unique combination of skills and traits that enhance their performance, including:

  • Strong programming knowledge in languages like Solidity, Java, or Python.
  • In-depth understanding of blockchain architecture and consensus mechanisms.
  • Problem-solving skills and the ability to think critically.
  • Attention to detail, ensuring code quality and security.
  • Effective communication skills for collaboration with team members.

These qualities not only improve the overall project outcome but also foster innovation within the blockchain space.

How do you recognize the perfect Blockchain Developer in Bucharest, RO for your needs?

To identify the right Blockchain Developer for your needs, consider these factors:

  • Relevant experience in similar projects or industries.
  • A strong portfolio showcasing previous work and successful implementations.
  • Positive client testimonials and reviews that highlight their reliability.
  • Technical skills that align with your project requirements.
  • Strong communication abilities to ensure clear understanding of your goals.

By evaluating these aspects, you can find a Blockchain Developer who meets your expectations and can deliver high-quality results.

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 your experience with blockchain technology and specific projects you've worked on?
  • What programming languages and tools do you prefer for blockchain development?
  • How do you ensure the security of the applications you develop?
  • Can you discuss a challenging problem you've faced and how you resolved it?
  • What are your thoughts on the future of blockchain technology?

These questions will help gauge their expertise and compatibility with your project needs.

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

There are several differences between hiring a freelance Blockchain Developer and working with an agency:

  • Cost: Freelancers often have lower overhead costs, resulting in more competitive pricing compared to agencies.
  • Flexibility: Freelancers typically offer more flexible terms and availability than agencies, which may have set processes.
  • Specialization: Freelancers may specialize in specific areas of blockchain, while agencies provide a broader range of services and expertise.
  • Project Management: Agencies often have dedicated project managers, while freelancers may require more direct oversight and communication.

Your choice will depend on the complexity of your project and the level of support you require.

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

A comprehensive project brief or job description for a Blockchain Developer should include:

  • Project objectives and expected outcomes.
  • Technical requirements, including preferred programming languages and frameworks.
  • Scope of work, detailing specific tasks and deliverables.
  • Timeline for project completion and key milestones.
  • Budget or payment terms to attract suitable candidates.

Providing this information will help attract qualified Blockchain Developers who understand your project's needs and expectations.

How do I hire a Blockchain Developer in Bucharest, RO 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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