I'm a hands-on software architect and AI integration consultant with decades of experience building mission-critical applications across healthcare, enterprise, startup, ...
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I'm a hands-on software architect and AI integration consultant with decades of experience building mission-critical applications across healthcare, enterprise, startup, ...
See MoreI'm a Blockchain Developer working from Vero Beach, United States. My focus is API, AWS, and CodeIgniter, and I'm always keen to jump into a well-scoped brief.
See MoreSenior Frontend Developer with 8+ years of experience building scalable, high-performance web applications using React.js and Next.js. Expert in TypeScript, Redux Toolki...
See MoreI'm a Fullstack Software Engineer with a focus on backend systems, distributed architectures, and APIs. I’ve built scalable financial platforms and blockchain application...
See MoreI'm a senior software engineer with a solid track record building scalable web, mobile, AI and blockchain systems. I’ve worked with startups and enterprise teams, cleaned...
See MoreHi, I’m Logan Sao, a Senior Full Stack Developer with a strong focus on blockchain-enabled applications and distributed systems. Over the last 7+ years I’ve built scalabl...
See MoreI'm a Senior Software Engineer with 10+ years of experience building backend and blockchain systems in fast-paced environments. I specialize in Solidity, TypeScript, Node...
See MoreHi, I'm Kevin Scott, an experienced React Full Stack Developer with a passion for building and launching e-commerce platforms, custom CRM systems, and scalable microservi...
See MoreI am a senior full-stack engineer with over 14 years of experience building scalable web platforms and blockchain-based applications. I have proven expertise across MERN ...
See MoreI quite find joy in helping my clients gain confidence and autonomy when it comes to launching their business. It's my favorite thing about working with clients all over!...
See More●With over 7+ years of experience as a software developer with a solid background in Microsoft.NET technologies. ●Experience in using Agile/Scrum, Waterfall and Rup soft...
See MoreI'm a developer who specializes in Blockchain Engineering from Dallas, TX, USA. Experienced Senior Blockchain Engineer with a strong background in developing and dep...
See MoreWe 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.
See which of Twine's top rated Blockchain Developers are near you
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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 is a specialized programmer focused on building and maintaining blockchain-based applications and systems. They are responsible for creating smart contracts, developing decentralized applications (DApps), and implementing blockchain protocols. Their work often involves:
Blockchain Developers play a crucial role in industries such as finance, supply chain, and healthcare, driving innovation through decentralized solutions.
Exceptional Blockchain Developers possess a unique combination of technical skills and personal attributes that distinguish them from their peers. Key qualities include:
These qualities ensure that they can meet the demands of complex projects and contribute to successful outcomes.
Typical day rates for Blockchain Developers in United States 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 for your needs, assess their portfolio and past projects relevant to your industry. Look for the following indicators:
By evaluating these aspects, you can identify a developer who aligns with your project goals and can deliver high-quality results.
When interviewing a Blockchain Developer, consider asking the following key questions:
These questions will help you gauge their technical expertise and communication skills, ensuring a good fit for your project.
To hire a Blockchain Developer in the United States, begin by defining your project requirements clearly. Consider the following steps:
Additionally, consider reaching out to your network for recommendations or exploring online communities focused on blockchain technology.
Hiring a freelance Blockchain Developer and working with an agency both have distinct advantages. Freelancers typically offer:
On the other hand, agencies provide:
Your choice depends on your project requirements, budget, and preferred level of involvement.
A comprehensive project brief or job description for a Blockchain Developer should include:
This clarity helps attract qualified candidates and ensures that both parties have aligned 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.