Smart Contract Development Jobs & Projects

127 jobs found

We found 127 Smart Contract Development jobs that paid in cryptocurrency. Search for work, find a remote job that suits your needs, and apply now!

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Tutorial Step by Step for Olympus DAO Fork

Required skills

I need a tutorial that it shows me step by step how to fork Olympus DAO in a EVM Blockchain, like Avalanche or Polygon.
Changes in the Smart Contracts for customize
Changes in the FrontEnd to update with the new Smart Contracts or Tokens (depends of the blockchain)
Order and actions for initializate the Smart Contracts.
The format can be PDF or video.
If I agree with this documentation, i sure that i buy more fork tutorials.
Please not contact if the price of your budget is more that my maximum budget.

Budget

$200
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Improve smart contract 1155

Posted by AirVoice

Required skills

Hello,
We have a smart contract to complete, however my developer is currently sick .
I am looking for someone to finish the smart contract.
It's a smart contract, on ETH, 1155 for a basic NFT collection.
What's missing :
- verify all the methods are there and doing what we need
- Setup Pinata with NFT + placeholder
It's quite a short contract, however if you execute well, we will have more work for you.
1. Send me the links of the smart contract 1155 you previously deployed
2. Tell me (and please detail) your experience with smart contract and NFT
3. How many NFT projects you built?
4. How much experience do you have in software development ?

Budget

$2,000
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Create Token for a P2E Game

Required skills

Hello,
I´m creating a P2E game and I need to create a token with those characteristics:
1- Max quantity to be hold by each wallet;
2- Max quantity to be sold each time;
3- Time delay between sales operations;
4- Reflection fee;
5- Liquidity fee;
6- Marketing fee;
7- Verified Source Code
8- Operable (ERC1363)
9- Token Recover
10- Freeze Function
Also, it will be needed a web portal to do the Token IDO, vesting settings and stacking.

Budget

$1,000
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Develop BEP-20 token and smart contract

Posted by John Laverence

Required skills

I am looking for a specialist to develop a token, which also need to develop a White Paper, for a fee if possible - the website.
After that, it is necessary to develop a smart contract and test it all in testnet.
And also, to bring the case to the main network, so that all work without any problems.
Details and requirements will be sent personally.

Budget

$3,400
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Custom Blockchain Payment Solution For Ecommerce Shop

Posted by mashityout

Required skills

Implement a payment solution for our WooCommerce website, to be able to accept our in house crypto coin.
Either a completely new solution, or expanding an existing open source WooCommerce plugin will do. 
Will discuss more details privately :)

Budget

$4,500
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Build NFT Marketplace and Community Connection via Bubble.IO

Posted by Parabolic Admin

Required skills

We are seeking a skilled blockchain/solidity developer who is familiar with the Bubble.io, "no code", platform to help us create an NFT marketplace that acts as a token gating mechanism into our existing social community application. This job has the following requirements:
General web development skills.
Ability to write and deploy Solidity contracts for both NFT (721 and 1155) and fungible tokens on the Ethereum Mainnet.
Knowledge of the Bubble.io platform and how to quickly structure and build workflows within the Bubble.io framework.
Knowledge of Zapier. (Required for integrating marketplace with our current community iOS and Android app.)
Familiarity with the Charged Particles NFT protocol preferred.
Begin work immediately.
Details of this opportunity will be shared individually with the right applicant.

Budget

$4,500
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BSC Smart Contract Developer Required

Posted by ahn.rina0503

Required skills

1. Create a token called USDSC. Follow the same details https://bscscan.com/token/0x13b852e276f10281c72ccf33edf81d81dd198aae 2. Integrate a smart contract with the token contract. Details of smart contract 1. All USDSC tokens created will be in this smart contract. 2. Anyone can send BNB and receive USDSC at present value of BNB. 3. Anyone can send USDSC to receive Binance USD. 1:1 4. Every 24 hours check the price difference of BNB. If the price of BNB is higher by 1%, convert to Binance USD. (Must look at options where it can be done from the smart contract automatically. 5. Allow admin to withdraw extra Binance USD.

Budget

$2,500
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Seeking Ad-Hoc Developer or Development Team

Posted by Based Erebus

Required skills

We are seeking experienced developers or development teams to work in short time on multiple projects.
DO NOT APPLY IF YOU DO NOT HAVE EXPERIENCE IN THE FOLLOWING.
We will ask questions on interview to confirm your expertise. PLEASE DO NOT WASTE OUR TIME!
Need experienced people who can do one or both of the following in 3-5 days for budget of $1300.
DO NOT APPLY IF YOU CAN NOT DO EITHER OF THE FOLLOWING:
1)
Adjust a tomb fork peg (change peg) BUT compensate for subjacent expansion so minimal affect on APR.
2)
Fork chameleon style on chain referral and bonus system with added functionality (will be discussed)
You will be vetted. DO NOT APPLY IF YOU HAVE NO KNOWLEDGE OF THESE OPTIONS!

Budget

$1,300
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Staking dApp for NEAR Blockchain NFT Project

Posted by J R

Required skills

We are looking for developer (s) who can build NFT Staking Platform on NEAR Protocol.
We need someone that can help us develop this, if you need more information we can organize a call.
We would prefer paying any amount after testnet deployment, so reach out only if you are okay with that.

Budget

$2,000
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Finding Rust developer( Don't pay upfront )

Posted by King car

Required skills

I have got some project in Solana.
Finding Rust developer who can help.
This is a long term position.
Don't send me proposal if you are not senior or no experience in Cosmwasm and rust.
 
* I don't pay upfront. *
If you are interested in this position, send me your Github and Likendin profile link.
If you don't have these info, it's difficult to hire you.
Thank you.

Budget

$2,000
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Build PRESALE DAPP

Posted by fredrikglad0

Required skills

Hi guys how are you ? 
I need somehting like this :ONE page _ https://presale.meta-cloud.io
1. walletconnect
2. metamask connect
3. different rounds of the presale
4. Option to buy with BNB and BUSD.
5.BNB and BUSD will be collected and sent to a different wallet.
6. Some of our own elements/UI added
Many thanks , looking forward to hear from you

Budget

$1,000
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Custom Swap Development

Posted by Jay Beck

Required skills

Hello, We are looking for a great team to develop a custom swap for our very important upcoming project. We already have our smart contracts created just need it tied the UI. Here is a basic example but we are open to any ideas you may have. https://www.safeswap.finance/swap
We ONLY need the swap/liquidity, not the pools, farms, etc
Job also includes upload to our host and a weeks support AFTER LAUNCH
This is a time sensitive job and needs to be completed in a timely fashion and accurately

Budget

$550
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