Mikola Yefremov
Rating
Skills and abilities
Programming
Services
Architecture
Administration
Outsourcing & consulting
Portfolio
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Mobile Chat App
C#The chat system from zero. It is fully developed by me including backend and frontend. Send videos, files, automatization of payments.
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DEX Arbitration Bot (Direct Blockchain Interop)
C#DEX Arbitrage bot including:
1 . The main app.
2nd Execution modules (Work on several servers in parallel)
Three Samart Contract for Swap Execution
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Bott to execute the transaction on binance. for several accounts.
C#The main functions:
Create a database structure that will store all the entities involved in the operations.
- sending and receiving the application for the transaction (buy/sell) with crypto-grow through the protocol via the internet (signals) - implemented through the built-in DLL
- organization of the input and editing interface of the necessary data for the BD, as well as viewing logs and results of the application work
… Execution of market transactions by orders on the specified accounts in the amount counted according to the coefficient
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79 USD Monitoring of the status of sites
C#The program works in three. Monitoring the availability of sites, the line of domain action, the Google index.
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90 USD Intergovernmental and Intergovernmental Arbitration Board.
C#The arbitration bot scans the exchanges and seeks where cheaper to buy and cheaper to sell cryptocurrencies. You can automatically make a purchase order.
Reviews and compliments on completed projects 15 1
23 January 2024
451 USD
Facebook Register through emulator and browser automation
He did not enter the deadline, he constantly translated the deadlines to the last minute. The product was not seen and nothing was not tested.
3 September 2023
104 USD
The project needs to be updated to work state.
The project is completed in 1 day. I couldn’t find a good artist for a long time. We will continue to work.
1 February 2023
271 USD
Creating an automated program
A good specialist! I recommend
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19 December 2022
451 USD
Implementation of the algorithm of automatic work on cryptocurrencies.
The result of my work with Nicholas exceeded even my most bold expectations. Highest professionalism, creativity, responsibility and initiative. Many of the components of the project, improving the work of the system, he himself recommended and proposed. I am admired.
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27 July 2022
113 USD
Development of oil (burger price parser)
I am very pleased that with my project I came to Mykola, who not only clearly fulfilled all the tasks, but also advised how it can still be improved. If you have a project linked to cryptocurrency exchanges then I strongly recommend choosing Mykola as an executive.
20 July 2022
90 USD
BOT
I worked well with Nicholas.
It’s clear, fast.
I recommend
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17 May 2022
113 USD
Bot for Binance.
completed in time. Thank you for great cooperation.
We will test and adjust if necessary.
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3 May 2022
654 USD
The need to develop a trading bot for the cryptocurrency exchange
Thank you for best job +10
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30 April 2022
113 USD
Создать трейдинг бот для биржи Bybit
It’s quick and quality, thank you.
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12 April 2022
34 USD
Bott Binance Futures through API
The project is done greatly! I didn’t expect it to be so fast and without touch. Made strongly! The luck.
25 July 2021
255 USD
Execution of transactions on different cryptocurrency accounts
Thanks to Nicole, I am pleased with the work.
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| Response review
3 June 2021
79 USD
Software to Account Web Sites under Windows
Everything is perfectly implemented, all the scenarios are corrected and correctly designed. Technically, all processes during the test are corrected and corrected.
23 December 2018
45 USD
Accounting of goods and funds in the store
The work was done greatly. I am satisfied with everyone. All the wishes were fulfilled, and the developer also proposed his, more successful solutions.
14 January 2018
68 USD
Arbitration of Cryptocurrency Program
I am very happy to get to know and collaborate with Nicholas. A professional of his business. The work was done qualitatively, in time, with the understanding of the essence, done further than expected. I recommend and will contact you again. Thank you !
14 October 2016
7 USD
Sending messages to OLX
Freelancer Nikolai Efremov (Nikolay 1982) This is a good and cheap program!! I advise!
14 October 2016
9 USD
Parser program auto.ria.com, avtobazar.ua, rst.ua
Freelancer Nikolay Efremov (Nikolay1982) offered his services to create the program. He called an acceptable price for me and made a gap that exceeded my expectations. He decided to continue cooperation with Nicholas.
Activity
| Latest proposals 10 | Budget | Added | Deadlines | Proposal | |
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Telegram Bot
564 USD
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YURII
58 USD
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Developing a chatbot in Telegram with integration with ChatGPT
1500 USD
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Trading bot for market-making on crypto exchanges (CEX)
1533 USD
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The Trade Bot. Machine learning
1533 USD
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Program for Trading
970 USD
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Facebook Register through emulator and browser automation
451 USD
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Required a channel telegram cloning bot + content replacement
158 USD
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You need to create an app on C# under Windows.
450 USD
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Development of financial applications in the Unity environment
564 USD
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