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Hire expert Blockchain Developers

Post a project and get matched with Blockchain Developers. Matched in 24 hours. No agency fees.

1
Post your project
Takes 3 minutes
2
Meet your expert
Within 24 hours
3
Launch your project
Flexible payment options
+14k more Blockchain Developers on Twine
Kazu I.
Blockchain Developer
★★★★★ 5.0
Bardia B.
Blockchain Developer
★★★★★ 5.0
Uvaise
Blockchain Developer
★★★★★ 5.0

Trusted by 10,000+ companies of all sizes

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Meet the experts behind high growth companies.

Every Blockchain Developer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.

Available
Blockchain Developer

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...

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Available
Blockchain Developer

Wrexa Technologies is a cutting-edge software development studio specializing in AI solutions, blockchain development, game and metaverse experiences, web and mobile appl...

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Available
Blockchain Developer

API, API Connector, App Design

As 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...

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Available
Blockchain Developer

3D Animation, 3D Model, Bubble

— 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...

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Available

Ho Chi Minh City, Vietnam

Blockchain Developer

C, C++, Data Science

I am a Principal Systems Engineer with about 4.5+ years of Rust and systems programming experience, specializing in low-level performance optimization, distributed networ...

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Available
Blockchain Developer

API, CSS, Email Design

I 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...

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Available
Blockchain Developer

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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Available
Blockchain Developer

.NET, 3D Animation, 3D Design

Hi, 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...

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Available
Blockchain Developer

I’m a results-driven Senior Full-Stack Software Engineer and Software Architect focused on building production-grade distributed systems, Web3 (EVM) applications, and AI ...

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Available
Blockchain Developer

AI Chatbot, AI Images, AI Video

Hi, 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...

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We have over 14,500 Blockchain Developers who've worked in many different industries and cover various styles and skillsets.

Start your search

What companies hire Blockchain Developers for

Projects that brands and startups post most often.

MVP build

End-to-end build of a v1 product: front-end, back-end, and deployment.

Build your MVP

AI feature integration

Add LLM-powered features to your product, copilots, semantic search, or summarisation.

Integrate AI

Mobile app

React Native or Flutter app for iOS and Android from your existing spec.

Build your app

Browse related Blockchain Developer roles

Development specialisms and the cross-functional roles you'll often hire alongside.

Let's get more local

See which of Twine's top rated Blockchain Developers are near you

Reviews

Trusted by companies around the world

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

5 star reviews

Clients Rate Twine Blockchain Developers 5.0 / 5.0

on average across 83 reviews

How it works

  1. 1

    Post your project

    3–5 minutes. Tell us about your project, your timeline, and how you want experts to contact you.

  2. 2

    Meet your expert

    Within 24 hours, you'll see a shortlist of vetted Blockchain Developers matched to your project.

  3. 3

    Launch your project

    Flexible payments on your terms, bill experts directly or use the Twine vault for added security.

How pricing works on Twine

Transparent rates, no hidden markup, and a payment path for every need.

The quote is the number.Nothing added on top.

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.

No hidden markup

Pay direct.0% commission.

Prefer your own payment flow? Pay your expert outside Twine, incurring no commission fees. Most useful for ongoing or trusted relationships.

0% off-platform payments

Pay via Vault.Your money is protected.

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.

10% up to $10k · 5% over $10k

Estimate your budget

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.

Your project

Mid-level (3–5 yrs)
2–4 weeks

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

How we got here

  • Mid-level day rate: ~$640–$860/day
  • 2–4 weeks = 10–20 working days
  • Range: $6,400–$17,000

Twine vs. the alternatives

Frequently asked questions

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:

  • Building and maintaining blockchain networks, including public, private, and hybrid systems.
  • Developing smart contracts and decentralized applications (dApps).
  • Ensuring the security and scalability of blockchain platforms.
  • Integrating blockchain technology with existing systems and databases.
  • Collaborating with cross-functional teams to develop innovative blockchain solutions.

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:

  • Strong understanding of blockchain protocols and cryptography.
  • Proficiency in programming languages such as Solidity, JavaScript, and Go.
  • Problem-solving abilities and analytical thinking.
  • Experience with smart contracts and dApp development.
  • Excellent communication skills to collaborate effectively with teams.

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:

  • Junior: 460 - 620 USD
  • Mid-level: 640 - 860 USD
  • Senior: 800 - 1,075 USD
  • Expert: 990 - 1,335+ USD

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:

  • Can you describe your experience with specific blockchain platforms?
  • How do you approach security and scalability in your projects?
  • What challenges have you faced while developing blockchain applications, and how did you overcome them?
  • Can you explain a project where you implemented smart contracts?
  • How do you stay updated on emerging blockchain technologies and trends?

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:

  • Project overview: A brief description of the project and its goals.
  • Technical requirements: Specific blockchain technologies, programming languages, and tools needed.
  • Responsibilities: Detailed tasks the developer will be expected to perform.
  • Experience level: Desired qualifications and years of experience in blockchain development.
  • Timeline and budget: Project deadlines and budget constraints.

Providing clear information in your project brief helps attract qualified candidates and sets expectations from the outset.

Hiring on Twine is simple.

  1. Post a job with your project details, timeline, and budget.
  2. Browse portfolios of vetted Blockchain Developers and invite those who match your needs.
  3. Receive proposals and compare experience, pricing, and reviews.
  4. Communicate expectations, set milestones, and finalize the hire.
  5. Securely pay through Twine, ensuring protection for both parties. Twine connects you with top freelance Blockchain Developers, making it easy to find the perfect creative professional for your project.

Ready to hire your next Blockchain Developer?

Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.

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