I am a highly versatile full-stack software engineer. I have helped numerous companies take an idea and turn it into a product that serves thousands to millions of users....
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I am a highly versatile full-stack software engineer. I have helped numerous companies take an idea and turn it into a product that serves thousands to millions of users....
See MoreFull stack engineer with a Master’s in Computing from Griffith College Dublin, delivering web and mobile applications with Agile teams in Ireland. Experienced in REST API...
See MoreSoftware Engineer with hands-on full-stack experience building secure, scalable applications using .NET, Angular/React, SQL, and MongoDB. Strong foundation in secure prog...
See MoreFull-Stack Developer with 3 years of professional experience building production-grade web and mobile applications using React, Next.js, and Node.js. I also bring a stron...
See MoreSoftware developer with hands-on programming experience in Python, JavaScript, and Java, along with applied project work in Ethereum smart contracts, ERC-20 token systems...
See MoreFull Stack Developer with nearly 3 years of experience, specializing in backend development. Experienced in Web3 and cryptocurrency ecosystems, building decentralized ...
See MoreI am a product-focused Frontend Engineer with a specialization in DeFi and Telegram Mini Apps. I have a passion for bridging Web2 user experiences with the complexities o...
See MoreReact Native developer by trade - always looking for exciting mobile app projects,
See MoreHi! I'm Boncy Sara Babu, a passionate Mobile App Developer and Full Stack Engineer with over two years of experience in building scalable and user-centric applications. I...
See MoreI am a Principal Software Engineer and technical leader with over 20 years of full-stack experience across blockchain, logistics, travel, and gaming. I am passionate abo...
See MoreI am Mohamed Ibrahim Modyghalah, currently pursuing a degree in Computer Science and Software Engineering at the National University of Ireland Maynooth. I have a solid f...
See MoreI am a full-stack engineer with over 5 years of experience building and optimizing web, mobile, and blockchain applications across LATAM and Europe. I specialize in syste...
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.
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
€4,700 – €12,500
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 developing and implementing blockchain-based solutions. They design architecture, create smart contracts, and ensure the security of blockchain systems. Their work involves:
Overall, Blockchain Developers play a crucial role in the advancement of blockchain technology across various industries.
Exceptional Blockchain Developers demonstrate a mix of technical expertise and soft skills. Key qualities include:
These attributes ensure they can deliver quality solutions that meet client needs.
Typical day rates for Blockchain Developers in Ireland 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 for your needs, look for candidates with relevant experience in projects similar to yours. Evaluate their technical skills through coding tests or portfolio reviews. Consider their ability to communicate complex concepts clearly and their willingness to adapt to your project requirements. Ask for references to validate their past work and ensure they align with your company culture. A well-rounded developer should not only possess technical prowess but also exhibit strong interpersonal skills.
During an interview with a Blockchain Developer, consider asking the following key questions:
These questions can help you gauge their expertise and suitability for your project.
To hire a Blockchain Developer in Ireland, start by defining your project requirements. Consider the specific skills needed, such as experience with Ethereum or Hyperledger. Post your job on platforms like Twine, where you can reach a wide pool of talented developers. Review their portfolios and past work to assess their capabilities. Conduct interviews to gauge their expertise and cultural fit. Finally, clarify your budget and timeline to ensure alignment with the developer's availability.
When deciding between a freelance Blockchain Developer and an agency, consider the following differences:
Choose based on your project's size, complexity, and budget.
A comprehensive project brief or job description for a Blockchain Developer should include:
Providing clear information helps attract qualified candidates who fit your needs.
Hiring on Twine is simple.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.