Find Freelance Smart Contract Development Jobs

Check out 46 posted Smart Contract Development Jobs. At LaborX you have a great option to choose a freelance job for Smart Contract Development Apply for a job now and get paid in cryptocurrency.
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Create public API and SDK to fetch projects tasks

Create public API and SDK to fetch projects and then show on a dashboard. When users complete the listed tasks, they get rewards. This will be deployed on optimism and Base.

Creations of Web3 TDL (top level domain)

Looking for expert to create and launch smart contract for creations of Web3 TDLs (top level domains).

Integrating blockchain and NFT into the game

Goal: Integrate blockchain and create mechanisms to support digital assets in the form of NFTs (non fungible tokens) within the game. Define NFT objects: Develop a list of digital assets that will represent NFT objects...

Fork Uniswap V3

We need to fork Uniswap V3 on zksync with our design. It needs to have basic swap, pool and farm features with a new page for loyalty program. The loyalty program will award silver, gold,...

Dapp update with bug fix and completion

We are new company which want to make our own cryto project as first ranking in the crypto world. We will launch our own appasap but it still has got some bugs and also needs...

Building a Custodial crypto wallet

We are building a non custodial crypto wallet using account abstraction. Since AA allows for transaction batching we are also building a complementary marketplace for devs to deploy their strategies (1click automations) so that a...

create an nft mining website

i need a developer who can help me with my project send me your offers and i will get back to for moreinfo about my project!!!

Smart Contract Update (Solidity)

The budget for this is $180. If it is not acceptable to you,do not proceed further. I want to make changes to the attached experimental smart contract I am creating. Here are my proposed updates:...

Create a web platform for voting with blockchain recording

Creation of a web platform for managing online elections with blockchain recording. Characteristics: Service presentation frontend with explanation pages and graphics. Area reserved for voting. Reserved area for administrators with candidacy management. Attributes and features...

Smart Contract Program for Ethereum BlockChain

Need a smart contract that pays reflections on the ethereum blockchain. This contract doesn't need written from scratch. You can use an MIT open source contract and add code to it. I'll run the solidity...

Smart contract for coin that's on it's own chain

There's a cryptocurrency called tao on the bittensor network (, it is allows other people to delagate stake to your validator, which then gives you a percentage of rewards from their stake that they delagated...

Senior COSMWASM Developer

  We’re looking for a talented and motivated smart contract engineer who is interested in building a new cross-chain financial stack from the ground up. What you will be doing: Building a new cross-chain, cross-ecosystem...