I’m a software engineer with 19 years in game development, cross‑platform work, and live service architecture across PC and mobile. I’ve shipped titles on PC, Android, an...
See MorePost a project and get matched with Blockchain Developers. 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.
I’m a software engineer with 19 years in game development, cross‑platform work, and live service architecture across PC and mobile. I’ve shipped titles on PC, Android, an...
See MoreWrexa Technologies is a cutting-edge software development studio specializing in AI solutions, blockchain development, game and metaverse experiences, web and mobile appl...
See MoreAs the CEO of Dgtalify GmbH, a Swiss-based AI software provider, I lead the company's strategic direction, innovation, and growth. Our mission is to empower businesses th...
See MoreI am a Senior Full Stack Developer with over 12 years of experience in designing, developing, and deploying scalable web and software solutions, primarily in the retail a...
See More— TOBEF TEAM — I am Tobef, a passionate and results-driven UI/UX Designer, Mobile App Developer, Game Developer, and Web Developer dedicated to building high-quality d...
See MoreI am a Principal Systems Engineer with about 4.5+ years of Rust and systems programming experience, specializing in low-level performance optimization, distributed networ...
See MoreI am systems inventor, technologist, Music Producer and Song Writer, and spent over two decades weaving together my diverse skills in softwares, IoT, systems, design, sma...
See MoreI'm a hands-on software architect and AI integration consultant with decades of experience building mission-critical applications across healthcare, enterprise, startup, ...
See MoreHi, I'm Sam Ad Qamar, a Senior Unity game developer and designer with 8+ years of experience building multiplayer games, AR/VR experiences, 3D modeling, and ML integratio...
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 MoreI’m a results-driven Senior Full-Stack Software Engineer and Software Architect focused on building production-grade distributed systems, Web3 (EVM) applications, and AI ...
See MoreHi, I’m Omais Ali, a full-stack developer and trading bot architect with 10+ years of experience delivering advanced fintech and automation solutions. I specialize in bui...
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
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 83 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 based on research on US and European freelancers. 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 designs and implements blockchain-based solutions. Their primary responsibilities include:
In short, Blockchain Developers possess a deep understanding of cryptography, distributed systems, and peer-to-peer networking, enabling them to create robust applications that leverage the unique capabilities of blockchain technology.
Exceptional Blockchain Developers possess a unique combination of technical and soft skills that set them apart. Key qualities include:
These attributes enable top Blockchain Developers to create innovative solutions and adapt to the ever-evolving landscape of blockchain technology.
Typical day rates for Blockchain Developers 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.
Recognizing the perfect Blockchain Developer involves assessing their technical expertise and cultural fit for your project. Begin by reviewing their portfolio for relevant projects that demonstrate their skills in blockchain technology. Look for developers who have experience with the specific blockchain platforms you plan to use. During interviews, ask about their problem-solving approach and how they've tackled challenges in previous projects. Additionally, gauge their ability to communicate complex concepts clearly, as this is critical for collaboration. Finally, check references and client testimonials to ensure they have a track record of delivering quality work.
When interviewing a Blockchain Developer, consider asking the following key questions:
These questions will help you assess the candidate's technical knowledge and problem-solving abilities, ensuring they align with your project requirements.
Hiring a Blockchain Developer involves several steps to ensure you find the right fit for your project. Start by defining your project needs, including the technical skills required and the specific blockchain technology you want to use (e.g., Ethereum, Hyperledger). Next, create a detailed job description outlining the responsibilities, qualifications, and expected outcomes. Post your job on relevant platforms, like Twine, where you can find a pool of vetted candidates. Evaluate applicants based on their portfolios, experience, and reviews. Finally, conduct interviews to assess their technical skills and cultural fit. Ensure you communicate your project goals clearly to attract the best talent.
Hiring a freelance Blockchain Developer typically offers more flexibility and potentially lower costs than working with an agency. Freelancers often have a specific area of expertise and can provide personalized attention to your project. However, they may lack the resources of an agency, such as a team for larger projects. On the other hand, agencies usually have a diverse team of professionals, allowing them to handle more complex projects and provide a broader range of services. They also offer reliability and support but at a higher cost. Ultimately, your choice depends on your project requirements, budget, and the level of expertise you need.
A comprehensive project brief or job description for a Blockchain Developer should include the following elements:
Providing clear information in your project brief helps attract qualified candidates and sets expectations from the outset.
Hiring on Twine is simple.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.