London, UK
Design, Illustration
Award-winning creative with a decade of experience across brands and startups.
See MorePost a project and get matched with Blockchain Developers in Newcastle Upon Tyne, United Kingdom. Matched in 24 hours. No agency fees.
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Every Blockchain Developer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.
We 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.
We've got more than Blockchain Developers in Newcastle Upon Tyne, United Kingdom
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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
£4,100 – £11,000
Full possible range for a mid-level Blockchain Developer over 2–4 weeks
Common questions answered before you post a project.
A Blockchain Developer specializes in designing, implementing, and maintaining blockchain systems and applications. Their responsibilities include:
Ultimately, Blockchain Developers play a critical role in leveraging blockchain technology to improve transparency, security, and efficiency in various sectors.
Exceptional Blockchain Developers possess a unique combination of technical and soft skills. Key qualities include:
These qualities enable them to deliver innovative solutions that meet complex project needs.
Typical day rates for Blockchain Developers in United Kingdom 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.
To find the perfect Blockchain Developer, assess candidates based on their technical skills, experience, and cultural fit. Review their portfolios for relevant projects and ask for references from previous clients. Conduct technical interviews to gauge their problem-solving abilities and familiarity with blockchain technologies. Additionally, ensure they have good communication skills to align with your project's vision and collaborate effectively. Trust your instincts and choose someone who resonates with your project goals and values.
During an interview with a Blockchain Developer, consider asking the following questions:
These questions can help assess their technical expertise and problem-solving capabilities.
To hire a Blockchain Developer in Newcastle Upon Tyne, start by clearly defining your project requirements. Identify the specific skills and experience needed, such as proficiency in Solidity, Ethereum, or Hyperledger. Then, utilize platforms like Twine to access a broad pool of freelance talent. Create a compelling job listing that outlines your project scope, timeline, and budget. Finally, reach out to potential candidates, review their portfolios, and conduct interviews to ensure they align with your project goals.
Hiring a freelance Blockchain Developer offers flexibility, cost-effectiveness, and personalized attention to your project. Freelancers often have specialized skills and can adapt quickly to project changes. On the other hand, working with an agency provides a broader skill set, access to a team of professionals, and more robust support. Agencies may be better suited for larger projects requiring diverse expertise and resources. Ultimately, your choice should depend on project size, budget, and specific needs.
Your project brief for a Blockchain Developer should include:
A well-structured brief sets clear expectations, ensuring you attract suitable candidates.
Hiring on Twine is simple.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.