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Hire experts in Ethereum

Post a project and get matched with Ethereum experts. 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 Ethereum experts on Twine
Sam Q.
Blockchain Developer
★★★★★ 5.0
IBRAHIM A.
Blockchain Developer
★★★★★ 5.0
Rob P.
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.

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Blockchain Developer

Senior Frontend Developer with 8+ years of experience building scalable, high-performance web applications using React.js and Next.js. Expert in TypeScript, Redux Toolki...

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Available
Blockchain Developer

Based in Warsaw, I build production-grade web apps, intelligent AI systems, and decentralized blockchain protocols. I bring European precision to full-stack engineering a...

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Blockchain Developer

.NET, AI Collection (Audio), AI Collection (Video)

I am an executive-level Solution Architect with over 14 years of experience designing high-performance technology ecosystems for fintech, compliance, and healthcare. I le...

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Blockchain Developer

Hi, I’m Arista Indrajaya, a software developer focusing on Web3, API design, and secure cloud-based tooling. I enjoy turning complex requirements into scalable solutions ...

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Vientiane, Laos

Blockchain Developer

Dynamic Senior Backend Engineer with over 8 years of expertise in blockchain integrations and wallet infrastructure. Proven track record in designing and deploying scalab...

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Blockchain Developer

Anchor, Docker, Ethereum

Hello, I'm Neo Pholushe, a blockchain engineer specializing in high-performance Solana arbitrage bots using Rust and Go. I design and optimize cross-protocol trading stra...

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Blockchain Developer

I am a Senior Blockchain Developer with 5 years of specialized experience in blockchain technology and over 10 years of full-stack development, including expertise in Gol...

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Blockchain Developer

AI Chatbot, Anchor, AWS

Hi, I'm Nabeel Javed, a full stack engineer with 5 years of experience building cloud-native, high-throughput, mission-critical systems. I enjoy crafting scalable backend...

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Available
Blockchain Developer

Hi, I'm Muhammad Usama Saleem, a software engineer with over 4 years of experience building scalable, high-performance web applications. I'm proficient in Next.js, React....

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Blockchain Developer

3D Animation, 3D Design, Adobe After Effects

Hi, Im Anastasiia, I’m a Game & Gambling Software Developer with strong experience in online casino games, blockchain projects, and custom iGaming solutions. I work as pa...

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Blockchain Developer

App Design, Data Science, Ethereum

I am an experienced software engineer with a passion for building high-performance applications. My journey in software development spans over seven years, primarily focu...

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

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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

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 Ethereum 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.

An Ethereum Blockchain Developer specializes in creating and implementing smart contracts and decentralized applications (dApps) on the Ethereum blockchain. They work with programming languages like Solidity to build and maintain blockchain-based applications, ensuring security and efficiency. Their responsibilities often include:

  • Designing scalable blockchain solutions.
  • Integrating APIs and developing user interfaces.
  • Conducting code reviews and audits to enhance security.
  • Collaborating with other developers and stakeholders.

Ultimately, they contribute significantly to the growing ecosystem of Ethereum, driving innovation and functionality within the blockchain space.

Exceptional Ethereum Blockchain Developers possess a unique blend of technical skills and personal attributes that distinguish them in the marketplace. Key qualities include:

  • In-depth knowledge of blockchain technology and Ethereum's ecosystem.
  • Strong problem-solving abilities and analytical thinking.
  • Excellent communication skills to collaborate effectively with teams.
  • Passion for continuous learning to keep up with industry advancements.

These qualities enable them to deliver high-quality solutions and adapt to evolving project requirements.

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.

Estimate your cost using our calculator →

To recognize the perfect Ethereum Blockchain Developer, consider the following criteria:

  • Technical expertise in Ethereum and blockchain technologies.
  • Proven experience with relevant projects and a strong portfolio.
  • Positive client feedback and reviews from previous engagements.
  • Ability to communicate complex concepts clearly.

By evaluating these aspects, you can identify a developer who is well-suited to meet your project demands.

During an interview with an Ethereum Blockchain Developer, consider asking the following key questions:

  • Can you explain your experience with Ethereum and smart contracts?
  • What challenges have you faced in previous blockchain projects, and how did you overcome them?
  • How do you ensure the security of a smart contract?
  • Can you provide examples of your previous work or projects?

These questions will help you assess their technical knowledge, problem-solving skills, and project experience.

To hire an Ethereum Blockchain Developer, start by identifying your project requirements and desired skills. Consider the following steps:

  • Define the scope of your project and the specific skills you need.
  • Use reputable platforms like Twine to find qualified candidates.
  • Review portfolios and assess prior work related to Ethereum.
  • Conduct interviews to evaluate technical knowledge and problem-solving abilities.

By following these steps, you can ensure you select a developer who aligns with your project’s goals.

Hiring a freelance Ethereum Blockchain Developer offers flexibility and often lower costs, allowing direct communication with the developer. In contrast, working with an agency provides a team of experts, ensuring diverse skills and resources. Key differences include:

  • Cost: Freelancers typically charge less than agencies.
  • Control: Freelancers allow for more direct oversight and communication.
  • Resources: Agencies provide a wider range of skills and support.

Choosing between the two depends on your project’s complexity and your budget.

An effective project brief for an Ethereum Blockchain Developer should include:

  • A clear project overview and objectives.
  • Specific technical requirements and desired skills.
  • Project timeline and deadlines.
  • Budget and payment terms.
  • Any relevant background information about your company or industry.

A well-defined brief helps attract qualified candidates and sets clear expectations from the start.

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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