I am a Senior Full Stack Developer with over 8 years of experience in both back-end and front-end development, specializing in modern web technologies. I take pride in ar...
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I am a Senior Full Stack Developer with over 8 years of experience in both back-end and front-end development, specializing in modern web technologies. I take pride in ar...
See MoreI’m Saeed Emami Nasab, a Senior AI & Agentic Systems Engineer with 4.5+ years of production experience building reliable LLM solutions for Web3 and enterprise clients. I ...
See MoreI’m a Front-End Developer with over 4 years of experience, passionate about crafting pixel-perfect, user-friendly interfaces that bring designs to life. I thrive in colla...
See MoreSoftware Engineer with more than 5 years of practical experience in Go and C# building scalable, high-performance backend systems. Experienced in implementing business lo...
See MoreTechnical Lead and Software Engineer with 8+ years of experience building and scaling high-load backend systems and leading engineering teams. Strong expertise in Node.js...
See MoreAi content creator and Ai videos creator
See MoreI'm Ali Naderi, a passionate Full Stack Web and Blockchain Developer with hands-on experience in modern web technologies. You can find more details about my projects a...
See MoreHi, I’m Sattar Rasouli, a senior front-end developer specializing in React.js and Next.js. I’ve built and maintained optimized, responsive, and user-friendly interfaces f...
See MoreI'm a Blockchain Developer working from Ahwaz, Iran. My focus is C#, CSS, and Django, and I'm always keen to jump into a well-scoped brief.
See MoreI am an experienced Java Developer with over 18 years of expertise in designing and developing enterprise systems, banking solutions, and blockchain infrastructures. I ha...
See MoreI am a full-stack software engineer especially interested in AI pipelines and blockchain solutions. I like building decentralized open-source software, scaling systems up...
See MoreI am a results-driven CTO and Engineering Leader with over 18 years of experience in transforming engineering organizations, building high-performing teams, and deliverin...
See MoreWe have over 14,500 Blockchain Developers who've worked in many different industries and cover various styles and skillsets.
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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
$6,400 – $17,000
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 creating and implementing blockchain technology and solutions. Their primary responsibilities include developing smart contracts, building decentralized applications (dApps), and integrating blockchain systems with existing infrastructures. They also focus on security, ensuring that the blockchain network is robust against cyber threats. Blockchain Developers often work with various programming languages such as Solidity, JavaScript, and Python, and are involved in both front-end and back-end development. Additionally, they may be responsible for testing and debugging applications and collaborating with other developers and stakeholders to ensure that projects meet business objectives.
Exceptional Blockchain Developers possess a combination of strong technical skills and soft skills. They have a deep understanding of blockchain protocols and cryptography, along with proficiency in relevant programming languages. Additionally, they exhibit problem-solving capabilities, attention to detail, and creativity in developing innovative solutions. Strong communication skills are essential for articulating complex ideas to non-technical stakeholders. A passion for continuous learning is also vital, as the blockchain landscape evolves rapidly. These qualities enable top developers to deliver high-quality projects that meet client needs effectively.
The cost to hire a Blockchain Developer in Iran varies based on experience levels:
These rates can fluctuate based on the complexity of the project and the developer’s specific skills and expertise.
To recognize the perfect Blockchain Developer for your needs, begin by reviewing their portfolio and previous work to assess their expertise and style. Pay attention to their experience in specific blockchain technologies relevant to your project, such as Ethereum or Hyperledger. Conduct thorough interviews to gauge their understanding of your business goals and their problem-solving approach. Consider their soft skills, such as communication and teamwork, as these are critical for project success. Checking references and client testimonials can also provide insights into their reliability and work ethic.
During a Blockchain Developer interview, consider asking the following key questions:
These questions will help you assess both their technical skills and problem-solving abilities.
To hire a Blockchain Developer in Iran, start by defining your project scope and requirements clearly. Utilize talent marketplaces like Twine to access a broad range of skilled professionals. It’s beneficial to post your job listing with detailed information about your project, including specific skills required, expected timelines, and budget. Once you receive applications, evaluate candidates based on their portfolios, experience, and client reviews. Conduct interviews to assess their technical skills and cultural fit for your team. Don't forget to discuss expectations, timelines, and payment terms before finalizing the hire.
Hiring a freelance Blockchain Developer offers flexibility and often lower costs. Freelancers can provide personalized attention to your project, allowing for direct communication and quick adjustments. However, they may have limited capacity to handle large projects alone. In contrast, working with an agency typically ensures a team of professionals with varied expertise, which can be beneficial for complex projects. Agencies may also provide additional support services, such as project management and quality assurance. Ultimately, the choice depends on your project's needs, budget, and required level of expertise.
A comprehensive project brief or job description for a Blockchain Developer should include:
Providing clear and detailed information will attract qualified candidates and set the stage for successful collaboration.
Hiring on Twine is simple.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.