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Fiverr Pro
English
$
USD
I will secure blockchain, web3, smart contract and backend solutions
About this Gig
Need a reliable blockchain developer for your Web3 project?
Im a Senior Software Engineer with 8 years of experience building blockchain, Web3, smart contract, and distributed backend systems.
I can help you with:
- Solidity & EVM smart contract development
- Blockchain protocol and architecture development
- DeFi and on-chain applications
- NFT and Web3 applications
- Ethereum-based solutions
- Backend APIs and blockchain integrations
- Permissioned blockchain solutions with Hyperledger Fabric
- RWA/tokenization solutions with ERC-3643
- Blockchain data and event indexing
I have worked on high-throughput DeFi systems, decentralized gaming and NFT ecosystems, enterprise distributed ledgers, document provenance platforms, and institutional real-estate tokenization.
What you get:
- Clean and maintainable code
- Scalable architecture
- Secure development practices
- Source code and documentation
- Professional communication
Please message me before ordering so I can understand your requirements and recommend the right technical approach.
Tools:
Hyperledger Fabric
•
Solidity Compiler
•
Web3.js
Programming Language:
Solidity
Industry:
Finance
•
Supply chain
•
Healthcare
•
Real estate
•
Gaming
Keep your assets and information safe
Cryptocurrency services focus solely on developing and programming. Never share sensitive information or private keys with others.
FAQ
What information do you need before starting?
Please share your project requirements, blockchain/network, expected functionality, technical specifications, and any existing code or documentation. If you're unsure about the architecture, I can review your requirements and suggest a suitable technical approach.
Can you develop custom Solidity smart contracts?
Yes. I can develop and modify Solidity-based smart contracts for EVM-compatible blockchain projects, including custom contract logic, token functionality and protocol components.
Can you integrate blockchain with an existing backend?
Yes. I can work with blockchain systems alongside backend services and APIs, including Node.js/TypeScript-based architectures and blockchain event/data integrations.
Can you work on existing blockchain code?
Yes. I can review an existing codebase, identify issues, implement requested changes, and extend existing smart contracts or blockchain backend components.
Do you provide financial or investment advice?
No. This Gig provides technical blockchain development services only. I do not provide investment, trading, financial or cryptocurrency price advice.
