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 Iraq
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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
$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 specializes in the creation and implementation of blockchain technology solutions. Their responsibilities include designing blockchain protocols, developing smart contracts, and building decentralized applications (dApps). They also ensure the security of blockchain networks by implementing best practices in cryptography and data integrity. Furthermore, Blockchain Developers work closely with clients to understand their needs and to develop tailored solutions that improve business processes, enhance transparency, and increase efficiency. Their expertise is crucial in industries like finance, healthcare, and supply chain management, where blockchain technology can drive significant innovations.
Exceptional Blockchain Developers possess a unique combination of technical expertise and soft skills. They have a deep understanding of blockchain technology, programming languages, and cryptographic principles. Their problem-solving abilities enable them to tackle complex challenges creatively. Moreover, outstanding developers communicate effectively, collaborating with stakeholders to translate technical concepts into understandable terms. They are also proactive in staying updated with industry trends and best practices. A passion for innovation and a strong ethical foundation further distinguish top-tier Blockchain Developers, ensuring they create secure and reliable solutions for their clients.
The cost to hire a Blockchain Developer in Iraq varies based on experience level:
These figures can fluctuate based on the complexity of the project and the developer's specific skill set.
Recognizing the perfect Blockchain Developer for your needs involves evaluating both technical skills and cultural fit. Start by reviewing their portfolio to assess previous projects and relevant experience. Look for developers who have worked on similar projects or technologies. Conduct thorough interviews to gauge their problem-solving capabilities and communication skills. Ask for references or testimonials from past clients to validate their expertise and reliability. Additionally, consider their enthusiasm for blockchain technology and willingness to collaborate closely with your team. A good fit will not only have the right skills but also align with your project vision and values.
In a Blockchain Developer interview, consider asking the following key questions:
These questions will help you assess the candidate's technical expertise and problem-solving abilities.
To hire a Blockchain Developer in Iraq, start by clearly defining your project requirements, including the specific skills and technologies needed. Utilize online platforms like Twine to access a pool of vetted freelancers. Post a detailed job listing outlining your project's scope, timeline, and budget. Network within local tech communities, attend blockchain events, or connect with professionals via social media platforms. Conduct interviews to assess candidates’ technical abilities and cultural fit. Finally, be sure to check references and previous work to ensure you select the best fit for your project.
Hiring a freelance Blockchain Developer offers flexibility and a cost-effective solution for specific projects. Freelancers typically provide personalized attention and can adapt to your unique needs. They may have niche skills that align closely with your project requirements. On the other hand, working with an agency provides access to a team of professionals with diverse expertise, ensuring a broader skill set and continuity in project delivery. Agencies often have structured processes and resources to manage larger projects efficiently. Ultimately, the choice between a freelancer and an agency depends on the scope of your project, budget, and desired level of involvement.
A comprehensive Blockchain Developer project brief should include the following elements:
Including these elements will help attract qualified candidates and ensure clarity in expectations.
Hiring on Twine is simple.
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