Exchange development Jobs & Projects

We need to make a lottery platform.
-Make an interactive rectangle of 5 columns with 8 rows giving a total of 40 numbers that can be bought whole or 1/2
-Create a connect wallet to pay, register the payment and block the purchased number and automatically deliver a ticket to the buyer
-Registration system for purchased tickets
-Counter of hours and minutes until the draw
-Create 3 layers, the first with daily draws, the second with 2 daily draws and the 3rd with a weekly draw. Each one with its interactive rectangle. In the first and second layer, automatic draw and in the third, which is weekly, add to perform streaming
-Cryptocurrency payments, networks: ETH, BSC, Polygon, Fantom, Rose, Solana and BTC
- Interactive online raffle
-For a number to win, the same number must come out 4 times
-All animated sequence online

I'm in search for an experienced Blockchain developer that can fork Olympus DAO on the BSC network/Avalanche. I'm needing back-end and front-end to be developed for this new project. This would include creating the DAO, the Token, the staked Token and anything else necessary to be able to launch the DAO.Budget is initially USD2000 + percentage of income generated (percentage to be agreed).Thank you.

Can you fork Olympus DAO

We would like to fork Olympus Dao on BSC. 
The fork should include all the features of Olympus Dao as well as the token and contracts. 

I have 100 euros for someone which is ready to be a part of our team and build our DEX on Fantom. (SpookySwap fork, preferably).

Coinsniper site is one of the most popular sites Crypto Currency and your token credit will increase dramatically by being on this site. I will list your token on the Coinsniper site and receive $ 750 from you, of which $ 250 is for registering your token on this site and $ 500 for listing your token.
To work with our team, send a message to the Telegram ID @ADA_AB.

is a team of blockchain developers offering our services on fiver with passion to offer best blockchain development services available in the market.
What we offer with this gig:
Frontend development with metamask integration in react js.
Backend development in node js
Smart contract erc721
Minting
Pausing / Unpausing
Supply Management
Pricing Management
Receive payments from customer in ETH/BNB or ERC20 tokens.
On chain / Off Chain Metadata management
Withdraw
Support Blockchains:
Ethereum
Binance Smart Chain
Cardano
Tron
etc.
We will deploy your contract on testnet, If you need help in deploying on mainnet let us know.

i need to fork and add more blockchain etherium solana matic 

ORION is the first underwater botanic garden combining biology, art and the development of the local economy. By fitting in the ocean structures produced thanks to the 3D printer, this project will allow the development of a new life unit, constituting the first scientific laboratory devoted to the marine fauna and flora development for link this project to the digital.
i would likeDevelop a CRYPTO MONNEY to finance et preserve the Ocean, and to finance the project.
Develop aCRYPTO MONNEY to people
Develop the NFT link with the Art and manage to allocate small nft to replant corail .

Hello,I would like to list my coin on coinmarketcap,coingecko, pancakeswap and uniswap 
I need an expert to work this for us

We are looking for a freelancer who is able to setup the following in our PHP web application
Setup a Polkadot node with RPC communication between linux ubuntu server (polkadot node) & web host (php)
Integrate the ability to generate a deposit address, detect transaction, detect confirmed transaction and send transactions to clients for Polkadot and all tokens on the Polkadot blockchain
Integration must be made into our existing PHP script which does the above already for Bitcoin and Ethereum + ERC-20 Tokens.
Applicants must be able to prove that they are able to do the above if they would like to be accepted for the job. It can be proven with a portfolio or existing application they have worked on which includes the above functionality. If you are able to do other popular coins, please see our other jobs.
Thank you.

We are looking for a freelancer who is able to setup the following in our PHP web application
Setup a Binance Smart-Chain Node with RPC communication between linux ubuntu server (binance node) & web host (php) 
Integrate the ability to generate a deposit address, detect transaction, detect confirmed transaction and send transactions to clients into our existing PHP script which does this already for Bitcoin and Ethereum + ERC-20 Tokens.
Applicants must be able to prove that they are able to do the above if they would like to be accepted for the job. It can be proven with a portfolio or existing application they have worked on which includes the above functionality. If you are able to do other popular coins, please see our other jobs.
Thank you.

Ecosystems Foundation asbl is a Luxembourg based non profit organization focused on New Space DeFi projects and opportunities.
We build, integrate, participate in governance, share knowledge, write docs & blog posts and help out in the community.
The role of DeFi Smart Contract Developer at Complement is a key strategic hire.
The successful candidate will become a partner in our DeFi partner's firm, sharing in the investment returns...
You will work closely with the other partners across all areas of the business.
The ideal candidate is a crypto enthusiast with two years plus of deep smart contract (Solidity) and Ethereum knowledge.
You must be highly enthusiastic about DeFi and have a strong working knowledge of DEXes / AMMs, yield optimization protocols, money markets.
You will have a very strong background in smart contract security and keep track of all the latest smart contract attacks.
You should have a good knowledge of Ethereum standards / EIPs and a good working knowledge of ETH 2.0, Layer 2 solutions (ZK & optimistic rollups, SKALE, Matic etc.) and cross-chain bridge technologies.
You must be hard-working, diligent and ambitious.
Once the global economy re-opens after Covid-19, we expect the role to include travel to work with partners, to attend industry events and to participate in internal strategic workshops.
In the role you will be required to:
• Work closely with portfolio companies as they bring their solutions to market
• Build out new proof of concept solutions
• Work closely with partners as they integrate their protocol with other DeFi building blocks
• Contribute to the core protocols
• Get involved with community / governance discussions
• Analyse smart contracts for security issues
We have no strong preference for academic achievement or location.
We are happy to work with people anywhere in the world.
As long as you can demonstrate a real talent in the areas listed above we would be happy to work with you.