Fix ethereum decentralized token exchange

My previous developer created a decentralized exchange, however it is having errors and I need it fixed to make sure it is 100% functional. The site works but it keeps getting errors and people cannot withdraw/deposit/trade half the time and getting errors on the exchange smart contract. I need someone to fix it so it is 100% functional.

Skills: Bitcoin, Blockchain, C++ Programming, Ethereum, Java

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About the Employer:
( 3 reviews ) brisbane, Australia

Project ID: #17823032

Awarded to:


Could you share the errors/contract address? I have built exchanges before so I should be able to debug it fairly easy if it is a completely decentralized exchange.

$700 AUD in 3 days
(2 Reviews)

9 freelancers are bidding on average $231 for this job


Hello, I am interested to help you. My motivation is not the money (as the budget is quite small) but my desire for problem solving and interest in blockchain technologies. I will explore your issues during the comi More

$250 AUD in 10 days
(25 Reviews)

Nice to meet you. I've read your project description carefully and I can do exactly what you want. I am a heavily experienced Java developer with strong backgrounds in Algorithm and Data Structure. I also have exper More

$250 AUD in 3 days
(28 Reviews)

experience with cryptocurency coins and apis.

$222 AUD in 10 days
(6 Reviews)

Hello , I am a blockchain developer and an architect rich experience with blockchain (both public and private), Ethereum, Bitcoin, smart contracts, ICO, tokens. I have successfully completed many projects for More

$150 AUD in 5 days
(1 Review)

dear I am a c++ and JAVA expert I've read your requirements and I think I can do it. I have been working for 6+ years on this kind of job. I have many previous works in this field and I will complete your project d More

$155 AUD in 3 days
(1 Review)
$100 AUD in 7 days
(0 Reviews)

Hi, I am sure I can do as well. Please contact me via chatting room. Looking forward to your best response. Thanks.

$155 AUD in 3 days
(0 Reviews)

Hi, We have already created many applications and we are sure that we will be able to solve all your requirements and bugs present. We will need your link and description about the changes you need in your exchange More

$100 AUD in 3 days
(0 Reviews)