I am a seasoned software engineer with over 10 years of experience specializing in back-end development, cloud solutions, and full stack engineering using technologies li...
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I am a seasoned software engineer with over 10 years of experience specializing in back-end development, cloud solutions, and full stack engineering using technologies li...
See MoreHi, I'm Nikita Pletnev, a senior frontend engineer with over 6 years of experience turning ideas into high-performing, user-centric digital solutions. I specialize in web...
See MoreBased in Helsinki, Finland, I'm a Blockchain Developer expert. I take a clear, collaborative approach to every brief.
See MoreWe have over 14,500 Blockchain Developers who've worked in many different industries and cover various styles and skillsets.
Start your searchProjects that brands and startups post most often.
End-to-end build of a v1 product: front-end, back-end, and deployment.
Build your MVPShort engagement to clear a backlog of bugs and stabilise a release.
Stabilise your releaseAdd LLM-powered features to your product, copilots, semantic search, or summarisation.
Integrate AIReact Native or Flutter app for iOS and Android from your existing spec.
Build your appDevelopment specialisms and the cross-functional roles you'll often hire alongside.
Reviews
“Omais is a highly skilled and reliable freelancer who did a fantastic job on my Web App project. I trusted him with complex technical tasks, including working directly within a Windows Server VPS environment, and he handled everything seamlessly. He is professional, efficient, and delivers great results. I highly recommend...”
Julio @ Two Brothers Flooring, LLC
Jul 13, 2026
“Crystal‑INC was a transformative force in my creative and professional journey. The company brought clarity, structure, and artistic excellence to every project we touched. Their ability to merge luxury editorial aesthetics with precise engineering, corporate discipline, and emotional storytelling is unmatched.Crystal‑INC...”
H.E.R1 @ Crystal -INC
Jul 6, 2026
“Adam did a phenomenal job building DIMCPrep. He expertly managed the entire development process to deliver a flawless product. We now have a robust platform housing over 1,400 questions that allows candidates to track their progress effectively. His skill and attention to detail turned our vision into a reality, and we are...”
Sabrina @ DIMCPrep
Jun 24, 2026
“I worked with Daniel as one of our lead engineers on a military FPV drone training simulator built in Unreal Engine 5, a high-stakes project that needed to go from rough prototype to demo-ready in seven weeks for a live demonstration at IITSec 2025. The biggest technical win on the project was the drone flight dynamics...”
Robert @ Good Game Devs
Jun 1, 2026
“Great experience working with him. I explained what I wanted for my app and he not only got it but exceeded my expectation. The final result was better than what I had in mind. Super easy to work with.”
Michael @ MH LLC
May 24, 2026
“I had the pleasure of working with Zhenchang and was consistently impressed by his technical expertise, professionalism, and strong sense of ownership. He delivers high-quality, scalable solutions, communicates effectively, and collaborates exceptionally well across teams. Zhenchang is proactive, reliable, and quick to...”
Joseph @ Cody Solutions
May 22, 2026

Clients Rate Twine Blockchain Developers 5.0 / 5.0
on average across 8383 reviews
3–5 minutes. Tell us about your project, your timeline, and how you want experts to contact you.
Within 24 hours, you'll see a shortlist of vetted Blockchain Developers matched to your project.
Flexible payments on your terms, bill experts directly or use the Twine vault for added security.
Transparent rates, no hidden markup, and a payment path for every need.
Agencies bury a 20–40% markup inside the retainer, you never see it. On Twine, you set the price and you see the platform fee as a separate, explicit line. No surprises at checkout.
Prefer your own payment flow? Pay your expert outside Twine, incurring no commission fees. Most useful for ongoing or trusted relationships.
Funds are held in escrow and only released when you approve the deliverables. If the work isn't right, your money doesn't move. 10% commission on payments up to $10,000, just 5% on anything above.
Pick the role, the experience level and how long you need. We’ll show you what similar projects have cost on Twine. It’s a guide, not a quote.
Estimates only. Actual budget is set by you and agreed with your expert before any work begins.
ESTIMATED RANGE
€5,300 – €14,000
Full possible range for a mid-level Blockchain Developer over 2–4 weeks
Common questions answered before you post a project.
A Blockchain Developer is a specialized software engineer who focuses on building and implementing blockchain-based solutions. They design and develop smart contracts, decentralized applications (dApps), and blockchain protocols. Their work involves:
Overall, Blockchain Developers play a crucial role in leveraging blockchain technology to create secure, transparent, and efficient systems across various industries.
Exceptional Blockchain Developers possess a unique combination of technical and interpersonal skills that set them apart. Key qualities include:
These qualities enable top Blockchain Developers to deliver innovative solutions that meet and exceed project expectations.
Typical day rates for Blockchain Developers in Finland vary by experience level:
These are indicative ranges based on Twine project data. Final budgets depend on project scope and are agreed directly with your freelancer.
Recognizing the perfect Blockchain Developer for your needs involves a thorough evaluation of their technical expertise, experience, and fit for your project. Start by reviewing their portfolio to assess the quality and relevance of their work. Look for candidates who have experience with similar projects or technologies.
During interviews, ask targeted questions that gauge their problem-solving abilities and familiarity with specific blockchain platforms. Additionally, consider their communication skills, as effective collaboration is crucial in development projects. Lastly, seek references or testimonials from previous clients to validate their performance and reliability.
When interviewing a Blockchain Developer, consider asking the following key questions:
These questions will help you gauge their expertise and approach to development, ensuring they align with your project requirements.
Hiring a Blockchain Developer in Finland involves several key steps. Start by defining your project requirements clearly, including the specific skills you need, such as experience with Ethereum, Hyperledger, or other blockchain platforms. Next, consider where to find potential candidates:
After gathering candidates, review their portfolios and previous work to ensure their expertise aligns with your needs. Conduct interviews to assess their problem-solving abilities and cultural fit, and finally, make an informed decision based on your evaluations.
Hiring a freelance Blockchain Developer offers flexibility and cost-efficiency, as you can negotiate rates and work directly with the individual. Freelancers often provide personalized attention and can adapt quickly to project changes. However, they may lack the resources of a larger team.
On the other hand, working with an agency provides access to a broader range of skills and expertise. Agencies typically have a team of developers, which allows for quicker project turnaround and diverse solutions. However, this may come at a higher cost and less direct communication with the developer. Consider your project needs and budget when deciding between the two options.
A well-crafted project brief or job description for a Blockchain Developer should include:
Providing this information ensures that candidates understand your requirements and can determine whether they are a good fit for your project.
Hiring on Twine is simple.
Twine connects you with top freelance Blockchain Developers, making it easy to find the perfect creative professional for your project.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.