Blockchain projects — HireLancer archive

ID / Date Listing

Looking for talent Solidity Smart Contract Engineer.

Hello, freelancers. Hope you are doing well. I have a smart contract for DeFi project written in Solidity and it is almost working well. But I need to update so...

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Web3 Developer Interviews

I'm looking to talk for an hour with Web3 developers who have more than 6 months of experience, working in a team / startup, and are making a living out of it....

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Bitcoin exchange project

Hello, I need a someone who can help me with bitcoin address and trading. This is urgent. Thank you.

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Substrate/Polkadot expert

I am looking for Substrate/Polkadot expert. He/she Needs to know well about Pallets/Runtime/Webassembly and ink! smart contract. This is the long-term opportuni...

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A blockchain payment gateway

Hello freelancers, I want to hire someone to a complete blockain payment gateway for me similar to coinbase commerce or coinpayents. It needs API integration an...

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Junior Blockchain developer needed for Long term

Blockchain developer needed for full time 40hr/week we are hiring blockchain developer's for our ongoing project 1) smart contract developers 2) Solidity Smart...

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Looking for Great Web designer with strong animation &/Or Web3 expert &/Or Blockchain expert

I would like to build a Small Size Website with Strong animation that works well on Laptop and Mobile browser. The website will have around 6 screens, Full anim...

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Identity Management system

It is based on IoT and Blochchain

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RUST Engineer

Our company is the startup, true layer 0 protocol that ushers in the omnichain future, secured with the Proof-of-Time consensus mechanism. Backed by world-class...

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I need metaverse developer

I need a professional developer that has experience about metaverse and the VR. What i need is that i want to do a virtual events into the metaverse which user...

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Build blockchain lend & borrow website

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Blockchain

Please describe your blockchain technology. I will give you my project after I check your technology

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Create and Edit Single Page React application

I’d like some quick a help converting a simple HTML dashboard into a single page ReactJS application. This application will be required to have the following fu...

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Full Stack Development - Application -- 2

We are looking for a full stack developer or agency experienced in: Full stack development Kiosks Cryptocurrency Block-Chain Please message to discuss details o...

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App de arbitraje crypto

Requiero hacer una aplicación de arbitraje para compra de criptomonedas, generando un rendimiento porcentual para los inversionistas.

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Implementación de web3/NFT en venta de HOODIES.

Se busca programador con experiencia en NFT'S para realizar Mint Page, crear NFT's y desarrollar códigos QR para dichos NFT's.

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Edit a Solidity Smart Contract

- This is a set of contracts that is live on Stakedao that use Opyn's options under the hood [https://github.com/opynfinance/Take-Home-Tasks](https://github.com...

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nft marketplace on near blockchain protocol

i need marketplace on near blockchain protocol ive with frontend development done also need nft mint site i will provide you all the details kindly send me offe...

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Smart Contract Development | Real Estate

Solidarity & ERC | Smart Contract Development Source

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BLOCKCHAIN PROJECT - FORK YIELD FARMING - DEFI

Perform a fork of the recommended platform to replicate the project on another blockchain network. Use the same type of contract/protocol based on another alter...

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BLOCKCHAIN PROJECT - YIELD FARMING FORK

Perform a fork of the recommended platform to replicate the project on another blockchain network. Use the same type of contract/protocol based on another alter...

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deploy smart contract to polygon

I find blockchain developer who can deploy my smart contract to polygon test network. I think it is very simple.

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Marketplace Portal for NFT

Marketplace NFT 1. We want to create market place for NFT tokens 2. We will start with ethereum coin 3. Ref- https://rarible.com/, https://opensea.io/

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DEX Price Monitoring + Arbitrage Scanner + Flash Loan Execution

Hello Guys! I would like to create an app/bot that can: - Scan/monitor crypto prices accross DEXes (Pancakeswap, Uniswap V2 and V3, Sushiswap, Curve, 1Inch, Par...

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Need help fixing a solidity Swap Function - swapETHForExactTokens

Hello , I have a solidity function using swapETHForExactTokens and am currently getting an error when trying to call it using my contract . Need help idenfifyin...

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NFT Project Development

Hello Freelancers, please only bid if you have experience in developing the following below: 1) Chain-end: - The ERC721 smart contract required for the characte...

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Crypto P2E game For Andrii

Build me crypto P2e blockchain game .

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Simple Mental Poker (React, C++)

Blockchain C++: receive cards/keys. check if cards/keys are valided and then decrypt cards by keys from users. Building a Dapp on EOS/WAX blockchain using Menta...

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i need blockchain developer to create simple wallet

I need a small app to make a simple wallet with 3 basic functions 1- when I add my crypto seed phrase key app make withdraw all my funds to a specific address (...

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Build me a Bep-20 token with verified smart contract

Hey, Build me a Bep-20 token with verified smart contract on BSCscan. all the other information related to token will be provided once we get in touch.

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BLOCKCHAIN PROJECT - YIELD FARMING + CRYPTOCASINO

We are interested in developing a crypto casino and generate a yieldfarming

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Upgradeable UUPS contract to be deployed on hardhat

I need a my existing BEP20 contract to be deployed as an upgradeable contract - UUPS on hardhat. Experience in deploying upgradeable contracts only. We can talk...

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thirdweb.com And Python SDK

I've created what they call a Dynamic NFT on NFTport.xyz in python. https://docs.nftport.xyz/docs/nftport/ZG9jOjI4NzY0NTY1-how-to-create-dynamic-nf-ts I'm looki...

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Unity Developer Metaverse

• Understand industry best practices and trends within the gaming industry and advise how game studios can interact with and integrate our SDK into their game....

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Build an NFT Blockchain / Gamification Website

We need to build an NFT blockchain website with some type of gamification (BACK-END ONLY).

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Agri Food Supply Chain Using Ethereum Smart Contract -- 2

The agricultural food supply chain completes the entire production and transportation process ‘‘from farm to fork’’, involving many participating entities, and...

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Agri Food Supply chain using ethereum smart contract

The agricultural food supply chain completes the entire production and transportation process ‘‘from farm to fork’’, involving many participating entities, and...

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Convert Wordpress pages into Web3 pages

I am needing an experienced blockchain dev to convert my wordpress merchandise shop into a web3 page that only allows access by connecting metamask wallet and h...

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Looking for smart contract developer for Defi project

Hi, Please check https://bscscan.com/address/0x2ca25319e2e63719f87221d8bf3646f8f5de5ded#code We are looking for someone to develop defi project by forking unisw...

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Crypto Currency exchange developer

Only apply if you can join immediately. Remote Work Responsibilities Further develop and manage our cryptocurrency exchange. Work in association with our backen...