I’m a Full Stack and Blockchain Developer with over 7 years of experience building scalable web and DAPPs from concept to deployment. I’ve delivered end-to-end solutions ...
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I’m a Full Stack and Blockchain Developer with over 7 years of experience building scalable web and DAPPs from concept to deployment. I’ve delivered end-to-end solutions ...
See MoreHi! I'm Jerome, a tech enthusiast with a passion for building engaging digital experiences. With expertise in blockchain technology, I've successfully led teams and proje...
See MoreHello! I’m Quentin Riviere, a senior software engineer and technical lead with over a decade of experience delivering mission-critical applications for global enterprises...
See MoreI engineer seamless solutions across the stack. Passionate about web development and blockchain integration - looking to join a team that bridges modern tech with real-wo...
See MoreI am a Senior Full Stack Engineer with 10+ years of experience building scalable web, blockchain, and AI/ML systems across media platforms, fintech/crypto exchanges, Web3...
See MoreI am a software engineer with over 6 years of experience. Throughout my career, I have been trying to stay at the forefront of the ever-evolving technology landscape w...
See MoreI'm Oleg Matyakubov, a Senior .NET & Blockchain Engineer specializing in fintech and high-load systems. I design scalable backend architectures using .NET 8/9, CQRS, DDD,...
See MoreI'm a Full Stack Engineer driven by four core principles: Zealous dedication to excellence, Innovation in every solution, Agile execution, and Decentralized thinking. My ...
See MoreHi, My name is Tiago, an experienced Full-Stack Developer with over 9 years of expertise in designing, installing, testing, and maintaining blockchain ecosystems. I've w...
See MoreHands-on, end-to-end AI/ML engineer building and deploying LLM-based conversational AI and voice systems in production—from prototype to enterprise clients. Founded and s...
See MoreI am a full-stack web developer with several years of experience in programming, web development, and building production-ready digital solutions. My work spans responsiv...
See MoreSingapore-based software engineer with strong full-stack delivery experience across Java/Java EE, REST APIs, PL/SQL/SQL, and incident/problem management with SLA ownershi...
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.
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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
S$7,400 – S$20,000
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 focused on building and maintaining blockchain applications and systems. Their responsibilities include designing blockchain protocols, developing smart contracts, and ensuring the security and integrity of the blockchain infrastructure. Blockchain Developers typically work on various applications, including cryptocurrencies, supply chain management, and decentralized applications (dApps). They must possess strong programming skills, understand cryptography, and be familiar with distributed ledger technology. Furthermore, they collaborate with other team members to integrate blockchain solutions into existing systems and provide ongoing support and updates as needed.
Exceptional Blockchain Developers possess several key qualities that distinguish them from their peers. Firstly, they have a strong understanding of blockchain technology and its underlying principles. Secondly, they demonstrate proficiency in relevant programming languages such as Solidity, JavaScript, or Python. Additionally, they exhibit problem-solving skills, enabling them to tackle complex challenges creatively. Exceptional developers also stay updated on industry trends and emerging technologies, ensuring they can provide innovative solutions. Furthermore, strong communication skills and the ability to work collaboratively with other team members are essential for successful project execution.
Typical day rates for Blockchain Developers in Singapore 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 Singapore, begin by reviewing their portfolio and past projects to assess their experience and expertise. Look for candidates who have successfully completed projects similar to yours, as this indicates they possess relevant skills. Additionally, consider their educational background and any certifications related to blockchain technology. During interviews, ask about their problem-solving approaches and technical knowledge to gauge their proficiency. Finally, evaluate their communication skills and ability to collaborate with your team, as these traits contribute to a successful working relationship.
When interviewing a Blockchain Developer, consider asking the following key questions:
These questions will help you assess their technical skills, problem-solving abilities, and commitment to continuous learning.
Hiring a Blockchain Developer in Singapore involves several key steps. First, identify your project requirements and the specific skills needed for the role. Next, create a detailed job description outlining the responsibilities, necessary qualifications, and preferred experience level. Once your job description is ready, you can post it on platforms like Twine, where you can connect with vetted freelancers. Engage in conversations with potential candidates to gauge their expertise and cultural fit for your organization. Finally, review their portfolios and client feedback to ensure you select a developer who aligns with your project's objectives.
Hiring a freelance Blockchain Developer offers flexibility, often at a lower cost than agencies. Freelancers can provide personalized attention and typically have diverse skill sets acquired from various projects. However, they may lack the resources and collaborative environment an agency provides. Agencies, on the other hand, usually have a team of experts, ensuring a broader range of skills and faster project completion. They also may offer ongoing support and maintenance services. Ultimately, the choice depends on your project needs, budget, and the level of collaboration you require.
A comprehensive project brief or job description for a Blockchain Developer should include the following elements:
Including these components will help attract qualified candidates and set clear expectations from the start.
Hiring on Twine is simple.
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