Sergey Yashin
Private message
Offer work
Kyiv,
Ukraine
available for hire
Rating
CV
Hi! I’m a developer and system admin with over 5 years of experience. I help projects stay secure, fast, and reliable.
🌐 Here’s what I can help you with: — Setting up and securing servers (Linux, Ubuntu, Nginx, Firewall)
— Building and configuring VPNs, proxies, and bot systems
— Automating tasks for your business
— Setting up websites on WordPress, MODX, or Tilda
— DDoS protection, filters, and security
🚀 My approach: — I treat your project like it’s my own
— I’m honest about what I can and can’t do
— I work fast and stay in touch
Let me know what you need — I’ll show you how I can help your project today! 🚀
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If you want, I can adjust this further to match your exact style!
Skills and abilities
Programming
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AI & Machine Learning
from 451 USD for hour
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Bot Development
from 7 USD for hour
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Content Management Systems
from 34 USD for hour
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Cryptocurrency & Blockchain
from 2 USD for hour
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Databases & SQL
from 451 USD for project
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Desktop Apps
from 677 USD for project
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Gaming Apps
from 789 USD for month
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HTML & CSS
from 226 USD for hour
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Javascript and Typescript
from 27 USD for hour
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Testing & QA
from 158 USD for project
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Web Programming
from 7 USD for hour
Design & art
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Logo Design
from 113 USD for hour
Services
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Customer Support
from 677 USD for day
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Cybersecurity & Data Protection
from 68 USD for hour
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Data Processing
from 113 USD for day
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Online Stores & E-commerce
from 5 USD for hour
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Payment Systems Integration
from 113 USD for hour
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Website Maintenance
from 113 USD for month
Promotion
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Contextual Advertising
from 1128 USD for month
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Link Building
from 113 USD for day
Administration
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DevOps
from 7 USD for hour
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Linux & Unix
from 5 USD for hour
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Software & Server Configuration
from 23 USD for hour
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System & Network Administration
from 23 USD for hour
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Windows
from 34 USD for hour
Outsourcing & consulting
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Client Management & CRM
from 113 USD for hour
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Consulting
from 113 USD for day
Portfolio
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55 000 USD Protection of the network
Linux & UnixDevelopment of DDoS Protection.
Reviews and compliments on completed projects 23
20 February 2022
23 USD
Make a dependent tomcat on the pro server: ubuntu, nginx, mysql, java
The problem was found and solved.
17 February 2022
23 USD
Correction of Web server errors and CRM "Perfectum"
Sergey completed the task quickly and efficiently.
I recommend him as a decent and responsible person.
I will contact him again.
11 February 2022
45 USD
Виправити все по сайтах
Everything is great! The professional of his business. He knows what he does!
6 February 2022
20 USD
Проект на відновлення доступу
It’s all fast and quickly. Everything likes.
6 February 2022
7 USD
Restoration of the site in VestaCP
The problem is solved. The question was critical for me, because. The site has ceased to work. Thank you Sergey for the quickest possible solution! I advise as a specialist in these matters.
22 October 2021
31 USD
Debian 11 Сетап сервера + оптимизация скорости загрузки сайта [US]
спасибо , работа выполнена
8 July 2021
6 USD
Updated by ISP Manager
Thank you very much for the work! As it turned out, it wasn’t all easy, but Sergey didn’t leave in a difficult moment, and even communicated with the support from my name. At the end, everything was perfectly updated. I recommend !
| Safe 
| Response review
13 June 2021
10 USD
Who will help to set up SSL?
A very good freelancer, performed everything as needed, answered all the questions and in a short time performed everything as needed.
26 April 2020
7 USD
Restore the site of opencart from Bacap
Everything is done clearly and in the upper order. He corrected errors and gave more than needed to show how to solve a number of related tasks.
I recommend !
15 March 2020
34 USD
Redirect when requesting a file on a server from a third-party site
Sergey has done the task well. I recommend cooperation!
| Response review
17 January 2020
32 USD
You need to set a domain name of Level 3
The project is implemented. I recommend it.
20 December 2018
11 USD
Check the work of the site by https in Safari
As always, great and fast work!
26 October 2018
7 USD
Set up HTTP
The task is resolved according to agreement.
| Response review
26 October 2018
4 USD
Setting SSL to a VPN from beget
quickly and carefully performed.
I found a fault on the site that I agreed to correct.
| Response review
1 July 2018
36 USD
Configuration of server.
Excellent artist, did everything quickly and quality.
28 June 2018
205 USD
Поднятие пула
Справился на все 100% рекомендую
8 June 2018
6 USD
Настроить SSL сертификат, чтобы корректно работал во всех браузерах
Как всегда, работа выполнена быстро и качественно! Рекомендую всем.
7 June 2018
11 USD
Настроить MySQL
Все отлично. Сразу выяснили что не хватает ОЗУ, + сервер был настроен, думаю теперь MySQL не будет падать. Очень быстро! Рекомендую.
31 May 2018
8 USD
Помочь с запуском сфинкса Debian 7
Все хорошо, с задачей справился менее чем за час , более именитые фрилансеры даже не смогли решить проблему, а вот Сергей справился , спасибо.
28 April 2018
68 USD
Pack in the docker image LAMP project
Excellent executor, well understood in the docker and setup of containers.As well as the bonus set protection against DDoS attacks and password selection.I recommend and will contact more!
21 February 2018
10 USD
Postfix+dovecot+roundcube to Ubuntu 14
The work was done greatly. Not even in spam letters, although I have not put such a task. I am pleased, I recommend it to everyone!
14 February 2018
7 USD
High load on hosting (virus?)
The problem is completely solved. Fast and for a little money.
1 December 2017
23 USD
You need to set up VPS with Debian.
It’s all fine! completed in the shortest time and quality!!The !
Activity
| Latest proposals 10 | Budget | Added | Deadlines | Proposal | |
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Load optimization on the server
129 USD
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Problem with Solana validator
338 USD
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Minecraft server setup and maintenance
45 USD
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CI/CD order management on the server.
383 USD
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Proxy server setup
16 USD
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System administrator for the project.
68 USD
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Set up VPS
338 USD
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Transfer the website, database, and emails from hosting Ukraine to Hostinger or an equivalent.
169 USD
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Restore operation after server reboot
169 USD
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Set up several SMTP servers correctly
113 USD
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