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I will be your smart contract developer for solidity, web3 and blockchain
Blockchain Developer, Rust, Solidity, DeFi, Web3
I'm a Rust and blockchain developer who builds production-ready software that actually goes live. I specialize in Rust applications, Solidity smart contracts, DeFi protocols, Web3 applications, smart ...
Level 1
Hat bestimmte Leistungskriterien erfüllt und zeigt großes Potenzial auf dem Marktplatz.
Über diesen Service
I Build Secure, Scalable & Production-Ready Smart Contracts
Looking for an experienced smart contract developer for your next Solidity or Web3 project? Whether you're launching a protocol, building a dApp, or improving an existing blockchain product, I develop secure, scalable, and production-ready smart contracts tailored to your goals.
I help startups and businesses build reliable blockchain solutions across Ethereum, Base, Arbitrum, Polygon, BNB Chain, Solana, and other leading networks.
I can help you build:
- Smart contracts for EVM chains & Solana
- DeFi protocols, staking, lending, DEXs & vaults
- ERC-20, ERC-721, ERC-1155, ERC-4626 & custom tokens
- NFT collections, marketplaces, vesting & token launches
- dApps, wallet integrations & blockchain backends
- Bug fixes, upgrades, gas optimization & new features
- Smart contract migration, testing & deployment
- End-to-end blockchain solutions with documentation
Every project is built with security, performance, scalability, and long-term maintainability in mind.
Contact me before ordering to discuss your project and choose the right package.
Tools:
Truffle
•
Web3.js
Programmiersprache:
Solidity
Branche:
Finanzen
•
Lieferkette
•
Gesundheitswesen
•
Immobilien
•
Gaming
Bewahre deine Assets und Informationen sicher auf
Dienstleistungen im Bereich Kryptowährung konzentrieren sich ausschließlich auf die Entwicklung und Programmierung. Teile niemals vertrauliche Informationen oder private Schlüssel mit anderen.
Mein Portfolio
Meine weiteren Dienstleistungen im Bereich Blockchain-Entwicklung & -Lösungen
FAQ
What blockchain networks do you support?
Ethereum, Base, Arbitrum, Polygon, Optimism, BNB Chain, Avalanche, zkSync, Scroll, Linea, Sonic, and Solana.
Do you develop both new and existing smart contracts?
Yes. I can build new contracts, improve existing code, fix bugs, optimize gas usage, or add new functionality.
Do you develop DeFi protocols?
Yes. I build staking, lending, vaults, DEXs, governance, token, and treasury systems.
Bewertungen
4 Bewertungen für diesen Service
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
Sortieren nach:
Am relevantesten
L 
lekopepo
Deutschland
Really really good developer, loved the final product
400 $-600 $
Preis
10 Tagen
Dauer
Hilfreich?B bernertails
Vereinigte Staaten
I went into this with Sabi having limited expectations. Just wasn't sure. The expectations I did have were immediately shattered - and then some. Knowledgeable and kind, with no sales push, Sabi provided more information than I could have hoped for. When I am ready to start this project, Sabi is the only choice to help me build it.
Bis zu 50 $
Preis
1 Tag
Dauer
Hilfreich?F fabioschwarz
Schweiz
Second order with him and no issues have come up. Great to work with him
50 $-100 $
Preis
10 Tagen
Dauer
Hilfreich?F fabioschwarz
Schweiz
He was fast and repsonsive and the delivered code, especially the UI, went way beyond what I expected.
600 $-800 $
Preis
2 Wochen
Dauer
S 
Antwort des Freelancers
Hilfreich?
Bewertungen
4 Bewertungen für diesen Service
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Zusammensetzung der Bewertung
- Kommunikation
- Qualität der Lieferung
- Preis-Leistungs-Verhältnis der Lieferung
Sortieren nach:
Am relevantesten
L lekopepo
Deutschland
Really really good developer, loved the final product
400 $-600 $
Preis
10 Tagen
Dauer
Hilfreich?B bernertails
Vereinigte Staaten
I went into this with Sabi having limited expectations. Just wasn't sure. The expectations I did have were immediately shattered - and then some. Knowledgeable and kind, with no sales push, Sabi provided more information than I could have hoped for. When I am ready to start this project, Sabi is the only choice to help me build it.
Bis zu 50 $
Preis
1 Tag
Dauer
Hilfreich?F fabioschwarz
Schweiz
Second order with him and no issues have come up. Great to work with him
50 $-100 $
Preis
10 Tagen
Dauer
Hilfreich?F fabioschwarz
Schweiz
He was fast and repsonsive and the delivered code, especially the UI, went way beyond what I expected.
600 $-800 $
Preis
2 Wochen
Dauer
S Antwort des Freelancers
Hilfreich?
