I'm Shwet Upadhyay, a software engineer with a Master’s in Applied AI and a multidisciplinary background spanning AI, blockchain, and full-stack development. I specialize...
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I'm Shwet Upadhyay, a software engineer with a Master’s in Applied AI and a multidisciplinary background spanning AI, blockchain, and full-stack development. I specialize...
See MoreHi, I'm Amritjot Singh, a Master of Data Science student driven by results and curiosity. I have hands-on experience in full-stack development, AI/ML solutions, and block...
See MoreI'm a Software Engineering Master's graduate with 1 year of experience in blockchain development, currently focusing on the field of Web 3.0. I specialize in Solidity for...
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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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.
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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
A$8,700 – A$23,000
Full possible range for a mid-level Blockchain Developer over 2–4 weeks
Common questions answered before you post a project.
A Blockchain Developer is a specialized software engineer who focuses on the development and implementation of blockchain technology. Their roles typically include designing blockchain protocols, crafting smart contracts, and creating decentralized applications (dApps). They also ensure the security and scalability of blockchain solutions. Key responsibilities include:
These professionals work with cryptographic protocols and data structures to create secure and efficient blockchain solutions that meet the needs of businesses across various industries.
Exceptional Blockchain Developers possess a unique blend of technical expertise and soft skills. Key qualities include:
These qualities ensure that developers can deliver innovative and effective solutions that meet client needs while remaining scalable and secure.
Typical day rates for Blockchain Developers in Australia 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 project, start by evaluating their portfolio for relevant experience and successful projects. Look for candidates who demonstrate a deep understanding of blockchain technology and its applications. Conduct thorough interviews to gauge their problem-solving abilities and communication skills. Additionally, consider their cultural fit within your organization, as collaboration is essential in blockchain projects. Lastly, requesting references and client testimonials can provide insight into their reliability and work ethic.
During a Blockchain Developer interview, consider asking the following key questions:
These questions will help you assess their technical knowledge, experience, and overall suitability for your project.
Hiring a Blockchain Developer in Melbourne involves several key steps. First, identify your project requirements, including technical skills, experience level, and project scope. Next, choose a platform for your hire, such as Twine, where you can find vetted freelancers. When posting a job, clearly outline your expectations, including timelines and budget constraints. After posting, review applicants’ portfolios, looking for relevant experience and successful project completions. Finally, conduct interviews to assess their technical knowledge and cultural fit within your team.
Hiring a freelance Blockchain Developer offers flexibility and potentially lower costs, as freelancers typically have lower overhead compared to agencies. You can establish a direct working relationship, allowing for better communication and quicker adjustments. However, agencies often provide a broader range of expertise with a team of professionals, ensuring that multiple skills are available for your project. Additionally, agencies may offer more structured project management, which can be beneficial for larger projects. Ultimately, the choice depends on your project scope, budget, and the level of expertise required.
A comprehensive project brief or job description for a Blockchain Developer should include the following elements:
This clarity will help attract suitable candidates who can meet your specific needs.
Hiring on Twine is simple.
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