I will be your expert blockchain developer for any web3 solutions
Blockchain and Smart Contract Developer
Niveau 2
Voldoet aan hoge prestatiecriteria en heeft een bewezen staat van dienst in het voldoen aan de verwachtingen van de klant.
Over deze dienst
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
Doel:
Verzamelobjecten
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DeFi
•
Gaming
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Webbrowser
•
NFT
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Smart contracts
Programmeertaal:
CSS
•
HTML
•
Node.js
•
Python
•
React
•
Solidity
Bescherm je bezittingen en informatie
Diensten op het gebied van cryptocurrency zijn uitsluitend gericht op development en programmering. Deel nooit gevoelige informatie of privésleutels met anderen.
Mijn portfolio
Veelgestelde vragen
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.
3 reviews van deze dienst
| (3) | ||
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Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
J jeffs315

Verenigde Staten
Delivered exactly what I wanted. Will definetly use in the future!! Quick and easy to work with.
Tot maximaal US$ 50
Prijs
2 dagen
Looptijd
Nuttig?A argabm

Indonesië
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!
US$ 800-US$ 1.000
Prijs
4 dagen
Looptijd
Nuttig?S slopshop1

Verenigd Koninkrijk
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! 🙌
US$ 200-US$ 400
Prijs
2 weken geleden
Looptijd
Nuttig?
3 reviews van deze dienst
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Specificering van de beoordeling
- Communicatieniveau van de freelancer
- Kwaliteit van de levering
- Waarde van de levering
Sorteer op
J jeffs315

Verenigde Staten
Delivered exactly what I wanted. Will definetly use in the future!! Quick and easy to work with.
Tot maximaal US$ 50
Prijs
2 dagen
Looptijd
Nuttig?A argabm

Indonesië
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!
US$ 800-US$ 1.000
Prijs
4 dagen
Looptijd
Nuttig?S slopshop1

Verenigd Koninkrijk
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! 🙌
US$ 200-US$ 400
Prijs
2 weken geleden
Looptijd
Nuttig?
