Find the Best Smart Contracts Jobs

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Check out a sample of the 185 Smart Contracts jobs posted on Upwork

Smart Contract Developer (Solidity)

Hourly ‐ Posted 4 days ago
30+ hrs/week
Hours needed
1 to 3 months
Duration
Expert
Experience level

We are seeking a highly skilled Smart Contract Developer with strong expertise in Solidity and blockchain technology to join our innova…

Smart ContractsCryptocurrencyBlockchainEthereumSolidity
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Needed senior Blockchain developer

Hourly ‐ Posted 4 days ago
30+ hrs/week
Hours needed
1 to 3 months
Duration
Expert
Experience level

We are building p2p trade on blockchain. It is needed senior blockchain developer who has full experience in building smart contract on…

Smart ContractsSolidityEthereumBlockchainRust
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Fullstack Blockchain Expert

Hourly ‐ Posted 4 days ago
Less than 30 hrs/week
Hours needed
More than 6 months
Duration
Expert
Experience level

We are seeking a fullstack blockchain expert with over 5 years of experience to develop and maintain blockchain applications. The ideal…

Smart ContractsInternet MarketingHTML5PHPJavaScript
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Long-Term: Lead Blockchain Engineer

Hourly ‐ Posted 4 days ago
30+ hrs/week
Hours needed
More than 6 months
Duration
Expert
Experience level

We're building a next-generation decentralized application and we need a Lead Blockchain Engineer. This isn't just a coding role; you'l…

Smart ContractsSolidityJavaScriptBlockchain
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30+ hrs/week
Hours needed
3 to 6 months
Duration
Intermediate
Experience level

Looking for an experienced Solidity developer to build, audit, and integrate smart contracts for a decentralized exchange (DEX). The id…

Smart ContractsBlockchain DevelopmentBlockchainEthereumSolidity
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30+ hrs/week
Hours needed
More than 6 months
Duration
Entry
Experience level

We need a UX/UI designer for TokenDapp, a Web3 token presale platform (ELO ecosystem). The app is built in React/Vite; we need producti…

Smart ContractsFund AccountingEthereumDAppsCryptocurrencyDigital Asset ManagementSolidityweb3.jsBlockchain DevelopmentBlockchainGraphic DesignSoftware DesignMobile App Design
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Web3/Blockchain Engineer

Hourly ‐ Posted 4 days ago
Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

Web3 / Blockchain Engineer designs, develops, and maintains decentralized applications (dApps), smart contracts, and blockchain-based s…

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30+ hrs/week
Hours needed
More than 6 months
Duration
Intermediate
Experience level

We are building a next-generation financial infrastructure platform that enables digital asset-based payment and settlement systems. T…

Smart ContractsBlockchainNode.jsSolidityTypeScript
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CTO & Tech Lead for Blockchain Development

Hourly ‐ Posted 4 days ago
30+ hrs/week
Hours needed
More than 6 months
Duration
Intermediate
Experience level

Join our team as a CTO & Tech Lead to drive blockchain development. You'll oversee the technical direction of our projects, ensuring in…

Smart ContractsSolidityweb3.jsEthereumJavaScriptNode.jsBlockchain
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Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

We are seeking a skilled smart contract developer to enhance our crypto game and trading platform. The ideal candidate should have a ba…

Smart ContractsNode.jsCryptocurrencyBlockchain
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