*** Ethereum smart contracts & web development expertise *** (for blockchain project)


Experience in creating complex smart contracts on Ethereum platform is needed.

Should have prior experience in initial coin offering projects and blockchain based products.


Solidity, Ethereum Virtual Machine (EVM), NodeJS, Geth, TestRPC, Truffle v4, Atom, web3 JS API, MetaMask/MIST, Html, Css, Javascript frameworks, SQL Server 2012, Windows Server 2012


- Design, develop & test the Dapps built using Webpack Truffle boxes & front-end technologies.

- Use Ethereum contract design patterns (such as Self-destruct, Factory, Name registry, Mapping Iterator, etc.).

- Built, deploy and thoroughly test the smart contracts in various test environments – TestRPC, Geth private network and Ropsten test network/acceptance environment.

- Use Atom & Truffle’s Mocha Javascript testing framework & Chai behavior driven development assertions in TestRPC to test various test cases of test suite.

- Develop & test the token creation & token distribution smart contracts and crowd sale website. For crowd-sale contract, develop & test the contribute, refund, funding status and payout functions.


1. Smart contracts -ICO

-Token creation

-Token distribution

2. Integration with ICO website

3. Smart contracts -Product website

a. Broker payments

-for Scheme purchase

-for Event purchase

-for Individual contact purchase

b. Profile user payments

-for milestone likes on profile

-for milestone favorites

-for milestone purchases (within network)

c. Integration with Product website

Should be willing to sign NDA and service agreement.

Please share your experience on these skills and present reference implementations in your proposal.



Bitcoin Professional

Evner: Bitcoin, Blockchain, Ethereum, Javascript, Juridisk Forskning

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Om arbejdsgiveren:
( 6 bedømmelser ) Fremont, United States

Projekt ID: #16314128

5 freelancere byder i gennemsnit ₹210022 på dette job


This is Anshuman from Atventus India Private Limited. We expertise in Blockchain and BitCoin development. We have lots of experience in setting up direct BitCoin blockchain transactions with all the wallet. features. Flere

₹62500 INR in 20 dage
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YEs sure i am here to help you please give me a chance i am sure i can help you to get it done . Thanks a lot waiting for reply .

₹62500 INR in 20 dage
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We are a team of Blockchain Developer having expertise in Ethereum, Bitcoin and writing smart contracts We have developed several projects in Blockchain some of them are on blockchain, Tokens and ICO Ethereum on AWS Flere

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Greetings of the day!! Hope you are doing well. I have more than 2 years of experience in Blockchain and Crypto Development. I have already developed many kinds of Coins, Tokens, Trading Portal, Hyipe Portals, ICO' Flere

₹62500 INR in 20 dage
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Hi, I have created this in past for over 3-4 ICOs. I can share you recently I have developed. Go to [login to view URL] site and check How nice I have done that Lets chat

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