Build an Opensea buying and selling NFT bot

$250-750 USD

Completed

Posted

over 2 years ago

$250-750 USD

Paid on delivery

We are wanting to have an implementation of the Opensea SDK (Javascript - [login to view URL]) which will run in a loop checking a mysql database for entries which will specify the bid or buy action (including the contract address, token id and any other relevant information required to make the bid or purchase). It will need to be able to run without interaction so will required to use custom mnemonic as per the opensea example here: [login to view URL] Initially it will be only for Ethereum ERC721 Tokens, but then the addition of Matic may come later as well. Developer Requirements: Must have had previous experience working on smart contract / web3 type development making this project something you’d be familiar with Must be ready to start the project ASAP Please provide an estimate of the hours required to complete the project, your hourly rate and total estimated timeline for completion Deliverables Completely automated script with an easy-to-use interface

Non-fungible Tokens (NFT)

Project ID: 31430172

About the project

13 proposals

Remote project

Active 3 yrs ago

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Awarded to:

@hubamykytafree

**** Blockchain Developer with [login to view URL] Experience **** Hi, How are you! I am a Dapp expert. I have rich experience in Blockchain, Bitcoin, Solidity, NFT, Smart Contracts, Ethereum, but also in relevant up-to-date technologies and I'm sure that I can complete this project perfectly. I want to have a long-term partnership with you as the best employer. Your project will always move forward on time and be completed successfully in high quality. I am looking forward to working for you soon. Best Regards! Mykyta

$500 USD in 7 days

5.0

(12 reviews)

4.1

13 freelancers are bidding on average $673 USD for this job

@AwaisChaudhry

Hello,I have read the job description and I am interested in this job. I have 8 years experience in developing products using Java, Non-fungible Tokens (NFT), Python, Blockchain and Web Development. I have read your requirements and am ready to start working for you. • Attractive and unique front end •Functional backend with quick response time •Customer support even after developing a product is awaiting your response. My Portfolio: https://www.freelancer.com/u/AwaisChaudhry?w=f Regards,

$750 USD in 16 days

4.9

(71 reviews)

8.1

@liveexperts123

Hi there,I'm biddin on your project "Build an Opensea buying and selling NFT bot" I have read your project description and i'm an expert in Python and machine learning therefore i can do this project for you perfectly.I still have a few questions. please leave a message on my chat so we can discuss the budget and deadline of the project. Thanks. .. .

$750 USD in 4 days

4.9

(46 reviews)

7.2

@komalshaikh92

Hello, I have read your job post and gone through your attached link and willing to work with you in this project. I will design Build an open sea buying and selling NFT bot based on your requirements. As I have a vast experience in web developing, illustration, 3D animation and graphic designing. Looking forward for your positive response. Thanks,

$250 USD in 3 days

4.4

(3 reviews)

3.9

@edgar967

Hi Derek, I have read your description carefully. And I have checked the Opensea SDK too. My hourly rate is 35 GBP. The total estimated time is about 120 hours. If you are interested to me, please contact me. Regards.

$500 USD in 7 days

5.0

(1 review)

3.4

@demydkasilov

I'm a senior Blockchain/Web3,Solidity EXPERT,with rich experiences of developing Smart Contract,Polygon, NFT, NFT MarketPlace, Wallet, Trading Bot, Pancakeswap(Uniswap)Sniper bot, Defi. while reading your requirement ,I am sure I undertood the main goal of your project. As I am strong at this kind of project, I am pretty sure that I can deliver you high quality result within short amount of time. If you award me, I'd be very happy to discuss this further and get started for you immediately. I will do my best for you to provide High Quality + Fast Speed + FullTime. Best Regards!

$500 USD in 7 days

5.0

(6 reviews)

3.0

@singhyamini1821

** Can start immediately once you hire me. Hello, I am an experienced mobile app developer with an experience of 5+ years. I’m pretty confident that I will be able to create your app as required. I am an expert in making android iOS as well as web apps with remarkable reviews on my profile. I have knowledge about: Objective C, Swift, Xcode, Script, Android studio, Sqlite, cloud services, firebase, in-app purchase, payment gateways, Google API integration, third-party API integration, UI, UX, PHP, SIP, MNV, MVVC, CBD modeling, XML, Angular JS, Jquery, SQL Server, HTML 5, CSS3, JAVA, API, Backend Admin panel, Cocoa-pods, SDK, NDK, Core and many more. Available for immediate discussion, Let's proceed and work together. Please share more details about your project. Thanks,

$450 USD in 5 days

0.0

(0 reviews)

0.0

@cfteam1

Hello awesome buyer.... How are you doing. have gone through your request and all is what i can get done for you professionally and successfully with out any error. I have 5 years working experience on blockchain and any crypto currency, smart contract, nft marketplace like opeansea and have worked with alot of industries and all my work with them was so excellent, so kindly contact me now to challenge our experience. thanks

$500 USD in 7 days