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Hire expert Blockchain Developers in Bucharest, Romania

Post a project and get matched with Blockchain Developers in Bucharest, Romania. 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
fedotov
Blockchain Developer
★★★★★ 5.0
GYORGY T.
Blockchain Developer
★★★★★ 5.0
Ciprian C.
Blockchain Developer
★★★★★ 5.0

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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 Gyorgy Tibor, a self-taught full-stack developer from Bucharest (Bucuresti), Romania. I specialize in building scalable web applications with Next.js and React, using...

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Blockchain Developer

I'm Cristina Lare, a self-taught full-stack developer who landed my first role six months after starting to code—and now have four years building and shipping production ...

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Available
Blockchain Developer

From breaking toys with a screwdriver at 7 to building janky consoles, websites, ISPs, and game servers as a teen, I've always learned by taking tech apart. After 18 y...

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Available
Blockchain Developer

I am a Senior Full Stack Engineer with 8+ years of experience, specializing in React, Node.js, Web3, and AI. I design scalable, high-performance applications and lead cro...

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Blockchain Developer

Hi, I’m Andrei Stoica, a senior front-end developer with over a decade of experience delivering premium, conversion-focused web interfaces for enterprise and digital prod...

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Blockchain Developer

Strategic Web3 Business Developer passionate about building partnerships, ecosystems, and user growth in the crypto space. Since 2021, I’ve been deeply involved in DeFi, ...

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Blockchain Developer

As an ex-semi-professional esports player with a deep passion for technology dating back to my teenage years, I am on the lookout for opportunities that will enable me to...

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Blockchain Developer

Hi, I'm Muhammad Nasir, a passionate Flutter and app developer with over 4 years of hands-on experience in building mobile applications across various platforms. I thrive...

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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 in Bucharest, Romania

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

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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 only. Actual budget is set by you and agreed with your expert before any work begins.

ESTIMATED RANGE

lei14,500 lei39,000

How we got here

  • Mid-level day rate: ~lei1,460–lei1,960/day
  • 2–4 weeks = 10–20 working days
  • Range: lei14,500–lei39,000

Twine vs. the alternatives

Frequently asked questions

Common questions answered before you post a project.

A Blockchain Developer is a specialized software engineer who focuses on designing, implementing, and maintaining blockchain technology. Their primary responsibilities include:

  • Developing blockchain applications and smart contracts.
  • Creating protocols and consensus algorithms.
  • Maintaining and optimizing blockchain networks.
  • Ensuring security and integrity of blockchain systems.
  • Collaborating with other developers and stakeholders to integrate blockchain solutions.

Blockchain Developers play a crucial role in industries like finance, supply chain, and healthcare by enabling secure, transparent, and decentralized solutions.

Exceptional Blockchain Developers possess a unique combination of skills and traits that enhance their performance, including:

  • Strong programming knowledge in languages like Solidity, Java, or Python.
  • In-depth understanding of blockchain architecture and consensus mechanisms.
  • Problem-solving skills and the ability to think critically.
  • Attention to detail, ensuring code quality and security.
  • Effective communication skills for collaboration with team members.

These qualities not only improve the overall project outcome but also foster innovation within the blockchain space.

Typical day rates for Blockchain Developers in Romania vary by experience level:

  • Junior: 1,050 - 1,410 RON
  • Mid-level: 1,460 - 1,960 RON
  • Senior: 1,825 - 2,450 RON
  • Expert: 2,260 - 3,040+ RON

These are indicative ranges based on Twine project data. Final budgets depend on project scope and are agreed directly with your freelancer.

To identify the right Blockchain Developer for your needs, consider these factors:

  • Relevant experience in similar projects or industries.
  • A strong portfolio showcasing previous work and successful implementations.
  • Positive client testimonials and reviews that highlight their reliability.
  • Technical skills that align with your project requirements.
  • Strong communication abilities to ensure clear understanding of your goals.

By evaluating these aspects, you can find a Blockchain Developer who meets your expectations and can deliver high-quality results.

When interviewing a Blockchain Developer, consider asking the following key questions:

  • Can you explain your experience with blockchain technology and specific projects you've worked on?
  • What programming languages and tools do you prefer for blockchain development?
  • How do you ensure the security of the applications you develop?
  • Can you discuss a challenging problem you've faced and how you resolved it?
  • What are your thoughts on the future of blockchain technology?

These questions will help gauge their expertise and compatibility with your project needs.

Hiring a Blockchain Developer in Bucharest involves a few key steps:

  • Define your project requirements clearly, including the technology stack and expected outcomes.
  • Utilize platforms like Twine to find skilled Blockchain Developers with relevant experience.
  • Review portfolios and past projects to assess their expertise.
  • Conduct interviews to evaluate their technical skills and cultural fit.
  • Discuss terms, including timeline and budget, before finalizing the hire.

Following these steps will help ensure you find the right talent for your blockchain project.

There are several differences between hiring a freelance Blockchain Developer and working with an agency:

  • Cost: Freelancers often have lower overhead costs, resulting in more competitive pricing compared to agencies.
  • Flexibility: Freelancers typically offer more flexible terms and availability than agencies, which may have set processes.
  • Specialization: Freelancers may specialize in specific areas of blockchain, while agencies provide a broader range of services and expertise.
  • Project Management: Agencies often have dedicated project managers, while freelancers may require more direct oversight and communication.

Your choice will depend on the complexity of your project and the level of support you require.

A comprehensive project brief or job description for a Blockchain Developer should include:

  • Project objectives and expected outcomes.
  • Technical requirements, including preferred programming languages and frameworks.
  • Scope of work, detailing specific tasks and deliverables.
  • Timeline for project completion and key milestones.
  • Budget or payment terms to attract suitable candidates.

Providing this information will help attract qualified Blockchain Developers who understand your project's needs and expectations.

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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