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Full stack web3 specialist and smart contract developer in both Ethereum (Solidity) and Solana (Rust), with nearly a decade of experience building Gamefi and NFT projects...
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Full stack web3 specialist and smart contract developer in both Ethereum (Solidity) and Solana (Rust), with nearly a decade of experience building Gamefi and NFT projects...
See MoreAn innovative and diligent Programmer/Developer with a wealth of experience in the development, implementation, management and integration of web3 and traditional indust...
See MoreI am Charlie Chau Nhi Hien, a Senior Full-Stack & Web3 Developer with 15+ years of experience delivering scalable, production-ready applications. I have deep expertise in...
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Hi, I'm Jin Kyu Ng Kim, a full-stack developer and DevOps engineer with 3+ years of production experience spanning blockchain, DevOps, and front-end development. I'm curr...
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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...
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I am a results-driven software engineer with a Bachelor's degree from the University of Canberra, specializing in IT support and software development. I thrive on solvin...
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Hi, I'm Tanmoy Sarker, a versatile software developer based in Ballarat with a strong focus on frontend, mobile, and Web3. I’ve built NFT membership systems, wallet-auth ...
See MoreI am a final-term IT Master's student at UNSW specializing in full-stack development and AI/ML systems. I have hands-on experience building real-time data pipelines, pred...
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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 MoreI am a 24-year-old software engineer who designs, develops, and maintains software applications, systems, and platforms to efficiently solve complex problems and meet use...
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.
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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 Solidity 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
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