Available
Alex Morgan
London, UK
Blockchain Developer
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 Brussels, Belgium
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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
€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 specializes in creating and optimizing blockchain protocols, crafting smart contracts, and developing decentralized applications (dApps). They are responsible for designing the architecture of blockchain systems, ensuring security measures are in place, and maintaining the integrity of data. Their work includes collaborating with other IT professionals to integrate blockchain technology into existing systems, conducting research on new blockchain trends, and troubleshooting issues as they arise. Blockchain Developers often work on various projects across industries, from finance to supply chain management, emphasizing the importance of innovation and efficiency in their solutions.
Exceptional Blockchain Developers possess a unique combination of technical skills and soft skills. They have a deep understanding of blockchain technology and programming languages like Solidity, JavaScript, and Python. In addition to technical expertise, they demonstrate problem-solving abilities and creativity to tackle complex challenges. Strong communication skills are crucial, enabling them to explain intricate concepts to non-technical stakeholders. Furthermore, adaptability and a proactive mindset are essential, as the blockchain landscape is continually evolving. Lastly, exemplary time management skills ensure they meet project deadlines without compromising quality.
Typical day rates for Blockchain Developers in Belgium 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.
Identifying the perfect Blockchain Developer involves assessing their technical skills, experience, and cultural fit. Review their portfolio to evaluate previous projects and their relevance to your needs. Check for certifications or relevant educational backgrounds that demonstrate their expertise. Conduct interviews to gauge their problem-solving approach and communication abilities. Look for developers who can articulate their thought process and demonstrate a genuine interest in your project. Additionally, consider their availability and willingness to collaborate closely with your team. The right fit will not only possess the necessary skills but also align with your project goals and company culture.
When interviewing a Blockchain Developer, consider asking the following questions:
These questions will help you assess their technical knowledge, problem-solving skills, and ability to communicate effectively.
Hiring a Blockchain Developer in Brussels involves several key steps. Start by defining your project requirements and the specific skills you need, such as experience with Ethereum, Hyperledger, or other blockchain platforms. Next, utilize platforms like Twine to post your job details, including timelines and budget. Once your job is live, browse through the portfolios of vetted Blockchain Developers, reviewing their past work and expertise. Don't hesitate to reach out to potential candidates to discuss your project in detail and gauge their interest and capabilities. Finally, ensure you conduct interviews to select the best match for your project needs.
Hiring a freelance Blockchain Developer offers flexibility, personalized attention, and potentially lower costs compared to an agency. Freelancers tend to have a diverse range of skills and can adapt quickly to project changes. However, they may lack the extensive resources and support of an agency. Agencies often provide a team of experts, which can result in a more comprehensive approach to complex projects. They usually have established processes and can manage multiple aspects of a project simultaneously. Ultimately, the choice depends on your project’s scope, budget, and desired level of expertise.
A well-structured project brief for a Blockchain Developer should include the following elements:
This clarity will help attract the right candidates and ensure alignment with your project goals.
Hiring on Twine is simple.
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