Find the Best Smart Contracts Jobs

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Check out a sample of the 183 Smart Contracts jobs posted on Upwork

Web3 Full Stack Developer for DEX

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

I'm looking for an experienced web3 full stack developer to work on the development of a DEX. The ideal candidate has strong production…

Smart Contractsweb3.jsBlockchain DevelopmentBlockchainNode.jsNext.js
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Fullstack Smart Contract Engineer

Hourly ‐ Posted 4 days ago
30+ hrs/week
Hours needed
3 to 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 ContractsNode.jsSolidityJavaScriptCSSHTML
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$4,000
Fixed-price
Expert
Experience level

StableNaira is looking for a Senior Blockchain Engineer to build secure fintech infrastructure for payments, wallet integrations, liqui…

Smart ContractsAPI IntegrationJavaScriptAPIBlockchain
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30+ hrs/week
Hours needed
More than 6 months
Duration
Expert
Experience level

I'm looking for a skilled Blockchain Protocol Engineer who will be able to create a decentralized exchange (DEX) starting from scratch.…

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

I'm looking for a Web3 full stack developer with at least 3 years of real Web3 experience who has built and shipped real Web3 products…

Smart ContractsBlockchain DevelopmentBlockchain
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30+ hrs/week
Hours needed
1 to 3 months
Duration
Expert
Experience level

Overview: We're building a self-custody crypto neobank app (similar concept to MetaMask Card / Avici). Users hold their own funds (acc…

Smart ContractsFramerweb3.jsCryptocurrencyBlockchainPayment Gateway IntegrationAPI Integration
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30+ hrs/week
Hours needed
More than 6 months
Duration
Intermediate
Experience level

We are looking for a Senior Full-Stack Blockchain Engineer to join an early-stage startup building a decentralized platform. You will w…

Smart ContractsJavaScriptNode.js
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Full Stack Blockchain Developer

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

We are building a Web3-powered platform that bridges digital ownership with real-world value. We are looking for a full stack developer…

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

About the Project We're building a decentralized e-commerce platform because we think online marketplaces can work a lot better than t…

Smart ContractsCryptocurrencyBlockchain DevelopmentEthereumBlockchainSolidity
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Experienced Solidity Developer

Hourly ‐ Posted 3 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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