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 Cuba. 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 Cuba
Or widen your search to global Blockchain Developers
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
$6,400 – $17,000
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 the development and implementation of blockchain technology. Their responsibilities typically include:
These professionals leverage their technical expertise to develop decentralized applications (dApps) and ensure the efficient operation of blockchain systems.
To hire a Blockchain Developer in Cuba, start by defining your project requirements. Consider the specific skills you need, such as experience with Ethereum, Hyperledger, or smart contracts. Next, utilize platforms like Twine to find qualified freelancers. Ensure to review their portfolios, check their previous work, and read client testimonials. Conduct interviews to assess their technical skills and cultural fit. Discuss your project scope, timelines, and budget clearly to align expectations.
The cost to hire a Blockchain Developer in Cuba varies based on experience levels:
These rates can fluctuate based on the complexity of the project and the developer's expertise.
Exceptional Blockchain Developers possess a unique combination of technical skills and personal attributes. Key qualities include:
These qualities not only enhance their performance but also contribute to successful project outcomes.
Recognizing the perfect Blockchain Developer involves evaluating their technical skills, previous work, and interpersonal abilities. Start by reviewing their portfolio to see relevant projects. Look for developers who have experience with the specific blockchain technology you need. During interviews, assess their problem-solving skills and ability to communicate complex concepts. Also, consider their responsiveness and collaboration during initial interactions, as these traits often reflect their work ethic. Feedback from previous clients can also provide valuable insights into their reliability and professionalism.
When interviewing a Blockchain Developer, consider asking the following questions:
These questions will help gauge their expertise and fit for your project.
Hiring a freelance Blockchain Developer offers flexibility, cost-effectiveness, and direct communication. Freelancers often have specialized skills and can adapt quickly to project needs. In contrast, working with an agency typically provides a broader range of services, including access to a team of specialists. Agencies may also offer more structured project management and support. However, they often come with higher costs. The choice depends on your project’s scope, budget, and the level of expertise required.
A comprehensive project brief for a Blockchain Developer should include:
A well-defined brief ensures potential candidates understand your needs and can respond effectively.
Hiring on Twine is simple.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.
