I’m a senior Python/JavaScript developer with over 15 years of experience building scalable, high-performance software solutions across multiple industries. I specialize ...
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I’m a senior Python/JavaScript developer with over 15 years of experience building scalable, high-performance software solutions across multiple industries. I specialize ...
See MoreHi, I'm Md Fazle Rabbi, a game developer with over 6 years of experience building high-quality games across mobile, WebGL, AR/VR, multiplayer, casual, hybrid-casual, and ...
See MoreI’m Jashed ul Islam Asif, a Freelance Full Stack Web Developer with over four years of experience building modern, responsive websites and Web3 apps. I focus on clean des...
See MoreAmir Hossain has about 10 years of experience in Information Technology, including 4 years in Chief Technical Officer roles. As a CTO, Amir has been responsible for oversee...
See MoreHi, I'm Md Mohaiminul Haque Atik, a passionate computer science student and developer from Chittagong, Bangladesh. I specialize in building AI systems and automation proj...
See MoreTo ensure a highly profitable career, I am seeking a challenging job and a healthy work environment where I can utilize my skills, experience, and knowledge efficiently f...
See MoreI am a passionate and versatile Full-Stack Developer and Data Scientist with a strong background in creating end-to-end software solutions and deriving actionable insight...
See More| Web application | Mobile Android IOS App Developer || I have good experience and expertise in the following areas: ✔MEME COIN, Betting, trading, casino , 1. HRM, CRM, ...
See MoreHi there! I’m a backend-focused software engineer with over 9 years of diverse experience building scalable microservices and distributed systems. I love solving hard pro...
See MoreI am an impact-driven AI/ML and backend engineer focused on architecting intelligent automation pipelines, workflow orchestration systems, and scalable distributed applic...
See MoreHi, I'm Rakib Chowdhury, a results-driven project manager with 10+ years of experience leading web-based digital initiatives, coordinating cross-functional teams, and del...
See MoreI’m a self-taught tech enthusiast and blockchain learner, passionate about coding and designing for a decentralized future. My dedication to continuous learning and innov...
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.
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.
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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
৳198,000 – ৳532,000
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 creating and implementing blockchain-based solutions. They develop smart contracts, design blockchain architecture, and ensure the security of blockchain networks. Their responsibilities include:
In addition to technical skills, Blockchain Developers need a solid understanding of cryptography, data structures, and algorithms, which are essential for creating robust blockchain solutions.
Exceptional Blockchain Developers possess a unique combination of technical skills and personal attributes. Key qualities include:
These qualities not only enhance their technical capabilities but also contribute to successful project outcomes.
Typical day rates for Blockchain Developers in Bangladesh 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 identify the perfect Blockchain Developer, start by reviewing their portfolio and previous projects. Look for developers with experience in your specific industry or project type. Conduct interviews to evaluate their understanding of blockchain technology and problem-solving approach. Assess their communication skills and ability to work collaboratively. Additionally, consider their feedback and reviews from past clients, as these insights can provide valuable context regarding their reliability and work ethic.
When interviewing a Blockchain Developer, consider asking the following key questions:
These questions will help you gauge their expertise and suitability for your project.
To hire a Blockchain Developer in Bangladesh, start by defining your project requirements clearly. Identify the specific skills and experiences you need. Utilize freelance platforms like Twine to access a pool of talented developers. When posting your job, be detailed about your expectations, deadlines, and budget. It's beneficial to review portfolios and previous work to gauge the developer's expertise. Engage in an initial conversation to assess their understanding of blockchain technology and their approach to problem-solving.
Hiring a freelance Blockchain Developer offers flexibility and often lower costs, as freelancers typically have lower overhead than agencies. You can work directly with the developer, allowing for personalized communication and quick adjustments. However, agencies provide a broader range of services, including project management and a team of experts, which can lead to more reliable outcomes for larger projects. Agencies may also have established processes and quality assurance measures in place, ensuring consistency in deliverables. Consider your project scope and needs when deciding between the two.
A comprehensive project brief or job description for a Blockchain Developer should include the following elements:
Providing detailed information ensures potential candidates understand your expectations, leading to better matches.
Hiring on Twine is simple.
Post your project and meet your expert within 24 hours. Over 45,000+ high growth companies that trust Twine.