Hi, I'm Nariman Amani, a full-stack software engineer with over 13 years of experience in designing and building scalable systems using Node.js (NestJS) and Angular. I am...
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Hi, I'm Nariman Amani, a full-stack software engineer with over 13 years of experience in designing and building scalable systems using Node.js (NestJS) and Angular. I am...
See MoreI’m a software engineer with 6 years of experience in the blockchain space and 8 years in web development. Throughout my career, I’ve had the opportunity to build a varie...
See MoreI am a Full-Stack Software Engineer with extensive remote work experience in full-time contract roles. Skilled in modern backend and frontend technologies including Node....
See MoreSenior Frontend Engineer with 7 years of experience building scalable web applications for fintech, Web3, and large-scale digital products. Led frontend architecture and ...
See MoreI am a Lead Software Engineer with 7+ years of experience building scalable, cloud-native, and data-intensive systems across banking, fintech, and enterprise environments...
See MoreI am a highly motivated Senior Software Engineer with over 10 years of experience in enterprise software development, architectural design, presales, and team leadership....
See MoreI am a Senior Software Engineer with 8 years of extensive experience in software development, delivering enterprise solutions across diverse industries. I excel at drivin...
See MoreI am a Blockchain Engineer with over 3 years of experience working in Layer 2 blockchain infrastructure, coupled with more than 17 years of expertise in computer vision a...
See MoreHi, I'm Gonzalo Vela, a passionate computer science student based in Amsterdam with a strong background in software development, blockchain technology, and system program...
See MoreHi, I’m Rodion, a strategic technology leader with over 20 years of experience driving digital transformation across enterprise systems, AI, machine learning, and blockch...
See MoreComputer Scientist with hands-on experience in distributed systems, blockchain protocol design, and scalable consensus mechanisms. Strong background in Java-based develop...
See MoreVersatile Blockchain Engineer with a robust background in software engineering and a strong proficiency in Rust, specializing in developing dynamic blockchain solutions a...
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 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 only. Actual budget is set by you and agreed with your expert before any work begins.
ESTIMATED RANGE
€5,000 – €13,500
Full possible range for a mid-level Blockchain Developer over 2–4 weeks
Common questions answered before you post a project.
A Blockchain Developer is a specialized software engineer who focuses on creating and maintaining blockchain technology. Their responsibilities include designing blockchain protocols, developing smart contracts, and implementing decentralized applications (dApps). They also ensure the security and efficiency of blockchain networks by troubleshooting issues and optimizing performance. Furthermore, these developers work closely with stakeholders to understand project requirements and translate them into technical specifications. They are skilled in programming languages such as Solidity, JavaScript, and Python, and they possess a deep understanding of cryptographic principles and consensus algorithms. Overall, Blockchain Developers play a crucial role in advancing the capabilities of blockchain technology and its applications across various industries.
Exceptional Blockchain Developers possess a unique blend of technical skills and soft skills that set them apart from their peers. Key qualities include:
Furthermore, a passion for innovation and continuous learning is essential in this ever-evolving field. Developers who stay updated with the latest advancements in blockchain technology are more likely to deliver exceptional results.
Typical day rates for Blockchain Developers in Netherlands 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, start by assessing their technical skills and experience in relevant blockchain technologies. Look for candidates with a strong portfolio that demonstrates successful projects similar to yours. During the interview process, ask about their problem-solving approaches and how they handle challenges within a project. Additionally, evaluate their communication skills, as effective collaboration is crucial for project success. Consider their adaptability to new technologies and willingness to learn, which is essential in the fast-paced blockchain landscape. Lastly, check references or reviews from previous clients to gain insights into their work ethic and reliability.
When interviewing a Blockchain Developer, consider asking the following key questions:
These questions will help you assess the candidate's technical expertise, problem-solving abilities, and commitment to continuous learning in the blockchain domain.
To hire a Blockchain Developer in the Netherlands, start by defining your project requirements clearly. Determine the specific skills and experience needed, whether it's for developing smart contracts, creating dApps, or ensuring security protocols. Once you have a clear understanding, utilize platforms like Twine to post your job listing. Make sure to include essential details such as project scope, timeline, and budget. When evaluating candidates, review their portfolios and past work to assess their expertise. Conduct interviews to gauge their technical skills and cultural fit within your team. Finally, establish clear communication and set expectations to ensure a successful collaboration.
Hiring a freelance Blockchain Developer and working with an agency both have distinct advantages. Freelancers often offer more flexibility and lower costs, as they typically have fewer overhead expenses. They can be ideal for short-term projects or specific tasks. Additionally, freelancers may provide personalized attention and direct communication throughout the project.
On the other hand, agencies usually have a team of experts with diverse skills, which can be beneficial for larger projects requiring various specialties. They often provide structured processes, quality assurance, and project management support, ensuring timely delivery and accountability. Ultimately, your choice should depend on the project's complexity, budget, and required expertise.
A well-crafted project brief or job description for a Blockchain Developer should include the following elements:
Providing a clear and detailed brief will help attract qualified candidates who align with your project 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.