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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

"Daniel Koh was a pleasure to work with. As a senior engineer in Solana, he demonstrated deep expertise and professionalism. I highly recommend him and would gladly collaborate again."
Louis @ Elm Tech
Feb 1, 2026
"Kazunari delivered everything faster than expected. Very skilled React developer who understands modern frontend patterns for Chatbot and Dashboard KPI’s. Flexible with feedback and easy to collaborate with"
James @ Self Employeed
Jan 21, 2026
"Tomoya Nakano was great to work with. He understood my requirements exactly and all work was delivered on time."
Bajram @ Useni Co Ltd
Jan 20, 2026
"victor is a very great person to work with and i will work with him again and again if you will permit me i will give me 5 shining star"
victor @ shopify
Dec 22, 2025
"Working with Pandi was a game-changer. The Galaxy Quest Game exceeded our expectations with smooth gameplay and stunning graphics. Highly recommend for any gaming project."
Samuel @ PixelWorks Ltd
Dec 20, 2025
"Steven delivered exceptional work on our AWS Connection project involving extensive Node.js integration. From the start, he demonstrated strong technical expertise, quickly understanding the system architecture and identifying the best approaches to implement and optimize our cloud workflows. His communication was clear..."
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Dec 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 designs, develops, and implements blockchain technology and applications. Their primary responsibilities include creating smart contracts, developing decentralized applications (dApps), and ensuring the security and integrity of blockchain networks. They also collaborate with cross-functional teams to analyze business requirements and create solutions that leverage blockchain capabilities. Additionally, Blockchain Developers must stay updated with the latest technological advancements and trends in the blockchain ecosystem to enhance their projects effectively.

How to Hire a Blockchain Developer in Sweden?

To hire a Blockchain Developer in Sweden, start by defining your project requirements clearly, including the scope of work, timelines, and budget. Utilize platforms like Twine to post your job listing, ensuring you specify the skills and experience level needed. Evaluate potential candidates by reviewing their portfolios and previous work. Consider reaching out to developers for initial discussions to gauge their understanding of your project. Finally, conduct interviews to assess their technical skills, problem-solving abilities, and cultural fit within your team.

How much does it cost to hire a Blockchain Developer in Sweden?

The cost to hire a Blockchain Developer in Sweden varies based on experience level:

  • Beginner: 500 - 1,000 SEK per hour
  • Junior: 1,000 - 1,500 SEK per hour
  • Mid-level: 1,500 - 2,500 SEK per hour
  • Senior: 2,500 - 3,500 SEK per hour
  • Expert: 3,500 - 6,000 SEK per hour

These rates can fluctuate depending on the complexity of the project and the developer's specific skill set.

What qualities set exceptional Blockchain Developers apart from the rest?

Exceptional Blockchain Developers possess a combination of technical and soft skills that set them apart. Key qualities include:

  • Strong programming skills in languages like Solidity, JavaScript, and Python.
  • Experience with blockchain platforms such as Ethereum and Hyperledger.
  • In-depth understanding of cryptography and data security.
  • Problem-solving and analytical thinking abilities.
  • Excellent communication skills for collaborating with teams and stakeholders.

These attributes equip them to tackle complex challenges in blockchain projects effectively.

How do you recognize the perfect Blockchain Developer in Sweden for your needs?

To recognize the perfect Blockchain Developer for your needs, start by evaluating their technical expertise and relevant experience in your project domain. Review their portfolio to assess the quality and range of their past work. Look for endorsements or testimonials from previous clients to gauge their reliability and professionalism. Additionally, ensure they demonstrate a strong understanding of the latest blockchain technologies and trends. Finally, consider their ability to communicate effectively and fit into your team’s culture.

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

During a Blockchain Developer interview, consider asking the following questions:

  • Can you explain your experience with blockchain technologies and platforms?
  • What challenges have you faced in past blockchain projects, and how did you overcome them?
  • How do you ensure the security of a blockchain application?
  • Can you describe your approach to developing smart contracts?
  • How do you stay updated on industry trends and advancements?

These questions will help you assess their technical knowledge, problem-solving skills, and commitment to continuous learning.

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

Hiring a freelance Blockchain Developer offers flexibility, cost-effectiveness, and direct communication with the developer. Freelancers can be more adaptable to project changes and often have lower overhead costs. Conversely, working with an agency provides access to a broader range of expertise, resources, and support. Agencies may have a more structured approach and can handle larger projects with multiple developers. However, this often comes at a higher price. Ultimately, the choice depends on the specific needs, budget, and scale of your project.

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

A well-structured Blockchain Developer project brief or job description should include the following elements:

  • Project overview and objectives
  • Specific skills and technologies required (e.g., programming languages, platforms)
  • Scope of work and deliverables
  • Timeline and milestones
  • Budget or payment structure
  • Company background and culture

Providing detailed information helps attract the right candidates who align with your project needs.

How do I hire a Blockchain Developer in Sweden 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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