Passionate software engineer with 4+ years in blockchain & full-stack development, co-founder of Ideafy, eager to innovate and drive impact.
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Passionate software engineer with 4+ years in blockchain & full-stack development, co-founder of Ideafy, eager to innovate and drive impact.
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See MoreI am Simona Thrussell, a seasoned AI/ML Engineer, Enterprise Architect, and Software Developer with over 30 years of experience delivering cutting-edge solutions across i...
See MoreI'm Kian Porter, a full-stack, blockchain & AI developer based in New York, NY. I specialize in building decentralized apps, trading bots, and high-performance web applic...
See MoreI'm a Blockchain Developer working from New York, United States. My focus is AWS, CSS, and Docker, and I'm always keen to jump into a well-scoped brief.
See MoreI'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from o...
See More🌟 Full Stack Developer with 6 years of experience specializing in JavaScript-based development and Web3 technologies. Proficient in building responsive and scalable w...
See MoreHello, I am Pradeep Kumar, a software developer and the CEO of Softradix.com. At Softradix, we are a technology solutions provider with a wide range of services to meet t...
See MoreMy name is Eqan Ahmad, I have 3 Years of Engineering experience in blockchain, full-stack dev[Desktop and development], and cloud computing combined. Frontend: Nextjs...
See MoreHi, I’m Borys Winiewski, a full-stack developer focused on AI/LLM agent systems, Web3 infrastructure, and cybersecurity. I design autonomous agent pipelines and multi-age...
See MoreI'm Enoch an AI developer with over 3 years of experience designing and developing intelligent AI solutions that help businesses grow and innovate. I believe in buildi...
See MoreHi, I'm Ken Nnanyelugoh, a passionate Senior Software Engineer with extensive experience in full stack development, frontend and backend integrations, and ecommerce manag...
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.
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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 creating and implementing blockchain-based solutions. They work on designing protocols, crafting smart contracts, and building decentralized applications (DApps). Blockchain Developers also ensure the security and integrity of data on the blockchain, often working with various programming languages such as Solidity, JavaScript, and Python. Their expertise is essential in industries like finance, supply chain, and healthcare, where secure and transparent data management is critical.
Exceptional Blockchain Developers possess strong problem-solving skills and a deep understanding of blockchain technology. They stay updated with industry trends and have a keen eye for security vulnerabilities. Communication skills are crucial, as they often collaborate with various teams. The ability to adapt to new technologies and an innovative mindset also set them apart. Furthermore, a solid portfolio showcasing successful projects can be a significant indicator of their capabilities.
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, assess their technical proficiency and experience relevant to your project. Look for candidates with a strong portfolio that demonstrates their past work. Evaluate their problem-solving approach and ability to communicate complex concepts clearly. Conduct interviews to gauge their enthusiasm for blockchain technology and willingness to adapt. Additionally, consider their soft skills, such as teamwork and reliability, which are essential for project success.
In a Blockchain Developer interview, consider asking the following key questions:
These questions help gauge the candidate's expertise, problem-solving abilities, and commitment to continuous learning.
To hire a Blockchain Developer in New York, start by defining your project requirements clearly. Identify the specific skills and experience needed for your project. Utilize platforms like Twine to post a detailed job listing, including your budget and timeline. Review portfolios and previous work to ensure candidates have relevant experience. Conduct interviews to assess not just technical skills but also cultural fit. Finally, check references to confirm the developer's past performance and reliability.
Hiring a freelance Blockchain Developer often offers flexibility and cost-effectiveness, allowing direct communication and collaboration. Freelancers typically charge lower rates compared to agencies, as they have fewer overhead costs. However, agencies provide a broader range of services, including access to a team of experts, project management, and additional resources, ensuring a higher level of support. The choice between the two depends on your project scale, budget, and desired level of involvement.
A well-structured project brief should include:
This clarity helps attract the right candidates and sets clear expectations for the project.
Hiring on Twine is simple.
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