London, UK
Design, Illustration
Award-winning creative with a decade of experience across brands and startups.
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Every Blockchain Developer's portfolio and application is manually reviewed by our Customer Success team. You only see vetted matches.
We 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.
We've got more than Blockchain Developers in Kazakhstan
Or widen your search to global Blockchain Developers
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 developing and implementing blockchain-based solutions. They are responsible for designing architecture, creating smart contracts, and ensuring the security of blockchain networks. Key responsibilities include:
Blockchain Developers work closely with clients to understand their needs and deliver tailored solutions that enhance efficiency and transparency in transactions.
Exceptional Blockchain Developers possess a unique blend of technical and interpersonal skills. They should have:
These qualities not only enhance their technical capabilities but also ensure they can effectively meet client needs and adapt to evolving technologies.
The cost to hire a Blockchain Developer in Kazakhstan varies based on experience level:
These ranges can help you budget for your project effectively.
To recognize the perfect Blockchain Developer in Kazakhstan, start by evaluating their portfolio for relevant projects that align with your goals. Look for candidates with experience in your specific industry and technology stack. Conduct thorough interviews to assess their problem-solving skills and approach to collaboration. Additionally, check references and reviews from previous clients to gauge their reliability and work ethic. A strong cultural fit with your team can also enhance the success of the project.
When interviewing a Blockchain Developer, consider asking the following questions:
These questions will help you assess their technical expertise and problem-solving capabilities effectively.
To hire a Blockchain Developer in Kazakhstan, start by defining your project requirements clearly. Identify the skill set you need, including programming languages like Solidity, JavaScript, or Python. Utilize platforms like Twine to post your job listing and reach a broad audience of talented freelancers. Networking within local tech communities can also yield promising candidates. Review portfolios, conduct interviews, and assess technical skills through practical tests to ensure a good fit.
Hiring a freelance Blockchain Developer offers flexibility, cost savings, and direct communication. Freelancers typically have lower overheads and can adapt quickly to project changes. However, working with an agency provides a team of experts, ensuring a wider range of skills and more robust support throughout the project. Agencies often have established processes for project management, which can lead to more predictable outcomes. Consider your project’s complexity and budget when deciding which option is best for you.
A comprehensive project brief for a Blockchain Developer should include:
Providing clear and detailed information will help attract suitable candidates for your project.
Hiring on Twine is simple.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.