web3.js Jobs & Projects

73 jobs found

We found 73 web3.js jobs that paid in cryptocurrency. Search for work, find a remote job that suits your needs, and apply now!

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Developer needed for Yield Farming Staking

Posted by Vong Phoua

Required skills

We are going to add yield farming feature to our website.
We have two Tokens A,B
Farming BNB/A and BNB/B , Staking A token and B token need to be made.
Your previous experience is very important because this is not for novices and this should be finished in few days if you start work.
Thank you.

Budget

$500
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Copy-trading bot for BSC(Pancakeswap)

Posted by starsbloc

Required skills

Hi, I need a "copy trading" bot for bsc (pancakeswap).
wallet1 - copy trading source
wallet2- my wallet
- Enter the wallet address and the robot will copy all the transactions made by the owner of the wallet (wallet1) from the moment the robot is started.
- The possibility to sell the purchased token immediately after wallet1 sells it or to sell it manually when I want.
- auto approve token immediately after purchase
- settings such as purchase amount, slippage and gas.
- the working currency of the robot should be BNB
- the robot should be in .exe format easy to run on windows.

Budget

$300
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Rust developer needed who can start immediately

Posted by David Solv

Required skills

Hi
I m looking for a professional Rust developer who have experiences over 3 years with rust.
We are a service company that has been developing Blockchain expertise over the last 4+ years, so we have a really great expertise and community of Blockchain people inside)
The typical blockchain projects we have are trading platforms, NFT marketplaces or social apps, tokenization initiatives for environment protection etc. Our Developer are from the EU and North America.
We will hire one of developer immediately .
You will take simple 15min testing to confirm your skills .
thanks

Budget

$1,000
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Fork Uniswap OR Pancake OR Sushiswap

Posted by Man Omann

Required skills

Hi all,
I would like a fork of Uniswap OR Pancake OR Sushiswap with some changes and dex token. This will be a permissionless AMM with farms where users can earn yield. I can provide required assets, token name, symbol and other information.
If this project works well we'll have many more collaboations soon after.
Looking forward to hearing from you

Budget

$1,000
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Create Token for a P2E Game

Required skills

Hello,
I´m creating a P2E game and I need to create the following:
A- 4 Standard Tokens (the most simple as possible, just with the name, quantity is good);
B- 1 Token with these functionalities:
..........1- Max quantity to be held by each wallet;
..........2- Max quantity to be sold each time;
..........3- The 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
..........11- Whitelist (wallets that are free from the tax and limits)
..........12- Blacklist (wallets that can't do transactions with the token)
C- One Portal where I can do the IDO for the tokens (the 5 ones) with discount codes possibility and vesting capabilities (just for the one with all the functionalities).
Please, only apply if you're able to deliver all the requested.
Thank you.

Budget

$1,200
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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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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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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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editing my code

Posted by john wy

Required skills

hi, 
i have my project , the code 100%100 done, 
but it working on eth network , 
i need to edit it for make it working on cro network only.
you should understand in moralis and JS

Budget

$1,200
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Full-Time Senior Solidity Developer

Posted by Anonymous

Required skills

Looking for talented cypherpunks to join our team of web3 developers building the world's first web3-native web development agency.
You should have some years of experience in Solidity development and understanding of security and gas fee optimization practices.
Payment is negotiable.

Budget

$3,500
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