Designing and developing enterprise solutions as an SAP Full-Stack Developer (ABAP OO, Fiori/SAPUI5, SAP BTP, RAP/CAP) and Cloud Solutions Architect. Expertise spans ...
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Designing and developing enterprise solutions as an SAP Full-Stack Developer (ABAP OO, Fiori/SAPUI5, SAP BTP, RAP/CAP) and Cloud Solutions Architect. Expertise spans ...
See MoreI specialize in economic and financial analysis, applying quantitative methods to interpret data and support decision-making. I am passionate about learning and adapting ...
See MoreBased in Athens, Greece, I'm a Blockchain Developer expert focused on .NET, Bootstrap, and C#. I take a clear, collaborative approach to every project.
See MoreI’m a full stack engineer and have worked as a researcher - developer for several industries and have accumulated expertise in order to be able to adaptive to the needs a...
See MoreI am a junior full-stack developer focused on React and Node with hands-on Web3 experience. I ship clean, accessible UIs, build REST APIs, and deploy to Vercel. I delive...
See MoreHi, I'm Athanasios Angelakopoulos, a software engineer with over 3 years of experience working in both enterprise and startup environments. I specialize in Python, C#, an...
See MoreHi, I’m Dimitris Nikolaidis, a Senior AI Full Stack Developer with over 10 years of experience in integrating AI technologies with full-stack web development. I’m passion...
See MoreI'm a full-stack app and web developer with hands-on experience in building mobile apps, responsive websites, and blockchain-integrated platforms. I'm skilled in React, J...
See MoreI'm a Blockchain Developer working from Athina, Greece. I'm always keen to jump into a well-scoped project and deliver quality work.
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.
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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
€3,600 – €9,700
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 programmer who focuses on creating and implementing blockchain-based solutions. Their responsibilities include designing architecture, developing smart contracts, and managing blockchain protocols. They work on various applications, from cryptocurrency platforms to supply chain solutions, ensuring security and efficiency. Additionally, Blockchain Developers are involved in testing and debugging code, collaborating with other developers to integrate blockchain technology into existing systems, and staying updated with the latest advancements in the field. Their expertise is crucial for businesses aiming to leverage blockchain for innovative solutions.
Exceptional Blockchain Developers possess a unique combination of technical expertise and soft skills. They have in-depth knowledge of blockchain protocols, cryptography, and programming languages such as Solidity or JavaScript. Additionally, they demonstrate strong problem-solving abilities, creativity, and adaptability to evolving technologies. Effective communication skills and the ability to work collaboratively are essential for understanding project requirements and delivering solutions that meet client expectations. A passion for continuous learning and staying updated with industry trends also distinguishes top-tier developers.
Typical day rates for Blockchain Developers in Greece 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 in Greece, begin by reviewing their portfolio for relevant projects that align with your needs. Assess their technical skills through interviews or coding tests to ensure they meet your project requirements. Additionally, consider their communication style and willingness to collaborate, as these qualities are vital for a successful partnership. Look for positive client reviews and feedback that reflect their ability to deliver quality work on time. A developer who shows genuine interest in your project will likely be a great fit.
When interviewing a Blockchain Developer, consider asking the following key questions:
These questions will help gauge their technical expertise, problem-solving skills, and commitment to continuous learning.
Hiring a Blockchain Developer in Greece involves several steps: first, clearly define your project requirements, including technical skills, experience level, and project scope. Next, utilize platforms like Twine to find vetted professionals. You can post your job listing or search through portfolios. Evaluate candidates based on their experience, skills, and reviews. Conduct interviews to assess their problem-solving abilities and communication skills. Finally, ensure to establish clear terms regarding deliverables, deadlines, and compensation to foster a successful working relationship.
Hiring a freelance Blockchain Developer offers flexibility and often lower costs, as freelancers typically have fewer overhead expenses. This arrangement allows for more direct communication and control over the project. However, freelancers may have limited availability or resources for larger projects. In contrast, working with an agency provides access to a team of experts with diverse skills, ensuring comprehensive solutions. Agencies can handle larger projects effectively but may come with higher costs and less individualized attention. Choosing between them depends on your project's size, budget, and specific needs.
A comprehensive Blockchain Developer project brief should include the following elements:
Including these elements will help attract the right candidates and set clear expectations from the start.
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