Available
Alex Morgan
London, UK
Blockchain Developer
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 Lyon, France. Matched in 24 hours. No agency fees.
Trusted by 10,000+ companies of all sizes
Available now
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 Lyon, France
or widen your search to Blockchain Developers in France
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 83 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
€5,000 – €13,500
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 the development and implementation of blockchain technology. Their responsibilities include designing blockchain protocols, crafting smart contracts, and building decentralized applications (DApps). They also ensure the security and scalability of blockchain systems while collaborating with teams to integrate blockchain solutions into existing infrastructure. Additionally, Blockchain Developers stay updated with emerging technologies and trends in the cryptocurrency and blockchain space to enhance their skills and project outcomes.
Exceptional Blockchain Developers possess a unique combination of technical and soft skills that distinguish them in the industry. Key qualities include:
Developers who continuously learn and stay updated on industry trends tend to excel in their roles.
Typical day rates for Blockchain Developers in France 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 involves assessing their technical skills, experience, and cultural fit. Start by reviewing their portfolio for relevant projects and success stories. Conduct thorough interviews to gauge their problem-solving skills and ability to communicate complex concepts clearly. Additionally, consider their understanding of your industry and specific project requirements. Checking references and reading reviews can further validate their expertise and work ethic. Ultimately, look for a developer who aligns with your vision and demonstrates a genuine interest in your project.
When interviewing a Blockchain Developer, consider asking the following questions:
These questions will help you gauge their expertise and approach to problem-solving.
To hire a Blockchain Developer in Lyon, France, begin by identifying your project requirements and desired skill sets. Leverage online platforms such as Twine to post your job listing, specifying the project scope, timeline, and budget. Next, browse through profiles of potential candidates, assess their portfolios, and initiate communication to gauge their understanding of your needs. It’s essential to conduct interviews to evaluate their technical expertise and soft skills. Finally, ensure you discuss payment terms and project milestones to establish a clear working relationship.
Hiring a freelance Blockchain Developer and working with an agency both have distinct advantages. Freelancers often offer lower rates, greater flexibility, and personalized attention to your project. They are typically quick to adapt to changes and can bring unique perspectives. On the other hand, agencies provide a broader range of services, including access to a team of experts with diverse skills, structured processes, and project management resources. They often handle larger projects with multiple components more efficiently. Your choice should depend on your project's complexity, budget, and timeline.
A comprehensive project brief or job description for a Blockchain Developer should include:
Clearly outlining these elements will attract suitable candidates who understand 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.
