London, UK
Design, Illustration
Award-winning creative with a decade of experience across brands and startups.
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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 Bristol, 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 is a specialized software engineer who focuses on creating and implementing blockchain technology and solutions. Their primary responsibilities include:
They play a crucial role in the development of decentralized applications (dApps) and contribute to various industries, including finance, supply chain, and healthcare.
Exceptional Blockchain Developers possess a unique blend of technical skills and soft skills that set them apart. Key qualities include:
Additionally, a passion for continuous learning and adaptability to new technologies are critical traits for success in this rapidly evolving field.
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 recognize the perfect Blockchain Developer in Bristol, assess their technical expertise and relevant experience. Review their portfolio for past projects and successful implementations. Look for candidates who can demonstrate their understanding of blockchain principles and showcase their problem-solving abilities. Conduct thorough interviews to evaluate their soft skills, such as communication and teamwork. Furthermore, checking references and client testimonials can provide insight into their reliability and work ethic. Finally, ensure that their vision aligns with your project goals for a successful partnership.
During a Blockchain Developer interview, consider asking the following key questions:
These questions will help you gauge their technical knowledge, problem-solving abilities, and commitment to continuous learning.
Hiring a Blockchain Developer in Bristol involves several key steps. First, define your project requirements clearly, including the specific skills and technologies needed. Next, utilize platforms like Twine to post your job, ensuring you reach a vast pool of talent. When browsing candidates, review their portfolios and past work to gauge their expertise. It’s essential to conduct interviews to assess their technical skills and cultural fit. Additionally, consider their communication abilities and responsiveness, as these are critical for effective collaboration. Finally, ensure to discuss payment terms and project timelines before making a final decision.
Hiring a freelance Blockchain Developer offers flexibility and cost-effectiveness, allowing you to select talent based on specific project needs. Freelancers often have a diverse skill set and can provide personalized attention to your project. In contrast, working with an agency may provide a broader range of services and a team of experts, ensuring a more comprehensive approach to project management. Agencies typically have established processes, which can lead to faster delivery but may come at a higher cost. Choosing between the two depends on your project's complexity, budget, and timeline.
A well-crafted Blockchain Developer project brief should include the following elements:
Including these elements will help attract the right candidates and ensure they have a clear understanding of your expectations.
Hiring on Twine is simple.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.