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English
$
USD
I will be your expert blockchain developer for any web3 solutions
Blockchain and Smart Contract Developer
I am a Professional Blockchain Website Developer, specializing in generating Smart Contract on any cryptocurrency blockchain. Whether you need tokens on BSC, Matic, Ethereum, Arbitrum, or other platfo...
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
About this Gig
Are you looking for a professional blockchain developer to build, optimize, or fix your DApp, Web3 application, or blockchain-based website? I specialize in custom blockchain development, Web3 integration, bug fixing, security audits, and smart contract deployment.
Whether you need a secure decentralized application (DApp), NFT marketplace, DeFi platform, or a blockchain-powered website, Ive got you covered!
My Services Include:
- Full-Stack DApp Development (React, Next.js, Web3.js, ethers.js)
- Smart Contract Integration with Frontend
- Web3 & Wallet Connection (MetaMask, WalletConnect, Coinbase, Phantom, etc.)
- Custom Blockchain Website Development
- Fixing Blockchain & Smart Contract Bugs
- Security Audits for Smart Contracts & DApps
- DeFi Platform Development (Staking, Yield Farming, Liquidity Pools)
- NFT Marketplace Development & Minting DApps
- Multi-Chain Support (Ethereum, BSC, Solana, Polygon, Avalanche, etc.)
Why Choose Me?
- Experienced Blockchain Developer with a strong portfolio
- Security-Focused I prioritize safety in blockchain applications
- Fast Delivery Get your project done efficiently
- End-to-End Support From consultation to deployment
Purpose:
Collectibles
•
DeFi
•
Gaming
•
Web browser
•
NFT
•
Smart Contracts
Programming language:
CSS
•
HTML
•
Node.js
•
Python
•
React
•
Solidity
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
My Portfolio
FAQ
What do I need to get started?
Please share your project details, desired blockchain (Ethereum, BSC, Solana, etc.), required features, and any design or code you already have. We’ll discuss the rest together!
Which blockchains do you work with?
I work with multiple blockchains including Ethereum, Binance Smart Chain (BSC), Polygon (MATIC), Solana, Avalanche, Arbitrum, and more.
Can you fix bugs in my existing DApp or smart contract?
Yes! I offer debugging and fixing services for smart contracts, frontend Web3 issues, and backend blockchain logic.
Do you provide full-stack development?
Absolutely. I can build the frontend (React, Next.js), integrate Web3 wallets, connect with smart contracts, and even handle backend APIs or databases if needed.
Can you integrate MetaMask or other wallets into my site?
Yes, I can integrate MetaMask, WalletConnect, Coinbase Wallet, Phantom (for Solana), and more based on your project's requirements.
Do you offer post-delivery support?
Yes! All packages include limited support after delivery. If you need extended support or future updates, I also offer custom ongoing support plans.
Can you deploy the project to Mainnet?
Yes, I can deploy your project to the Testnet for review, and once approved, deploy it to the Mainnet (live environment) safely.
Will my project be secure?
Security is my top priority. I follow best practices to write safe, optimized smart contracts and test thoroughly to prevent exploits.
Reviews
3 reviews for this Gig
| (3) | ||
| (0) | ||
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J jeffs315
United States
Delivered exactly what I wanted. Will definetly use in the future!! Quick and easy to work with.
Up to $50
Price
2 days
Duration
Helpful?A argabm
Indonesia
Wonderful result. All requests and tasks are done perfectly. Communication is smooth and easy. He knows what he's doing. Recommended for any crypto-related project owner or anyone who needs to launch a web3 project, just hire Mafizul and he will get things done!
$800-$1,000
Price
4 days
Duration
Helpful?S slopshop1
United Kingdom
Mafizul Islam delivered an EXCEPTIONAL performance in blockchain development, mastering the project with unmatched code expertise and professionalism. In just two weeks, he completed a task another freelancer struggled with for over a year, showcasing his deep understanding and efficiency. Polite and prompt, working with him was an absolute pleasure! 🙌
$200-$400
Price
2 weeks
Duration
Helpful?
Reviews
3 reviews for this Gig
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J jeffs315
United States
Delivered exactly what I wanted. Will definetly use in the future!! Quick and easy to work with.
Up to $50
Price
2 days
Duration
Helpful?A argabm
Indonesia
Wonderful result. All requests and tasks are done perfectly. Communication is smooth and easy. He knows what he's doing. Recommended for any crypto-related project owner or anyone who needs to launch a web3 project, just hire Mafizul and he will get things done!
$800-$1,000
Price
4 days
Duration
Helpful?S slopshop1
United Kingdom
Mafizul Islam delivered an EXCEPTIONAL performance in blockchain development, mastering the project with unmatched code expertise and professionalism. In just two weeks, he completed a task another freelancer struggled with for over a year, showcasing his deep understanding and efficiency. Polite and prompt, working with him was an absolute pleasure! 🙌
$200-$400
Price
2 weeks
Duration
Helpful?
