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Oleg K.

Information Portfolio 5 Reviews 22 Activity

Profile

Oleg K.
  • Oleg K.
  • Kyiv, Ukraine
  • 22 0
  • A little busy
  • Projects 19
  • Rating -
  • Rating 452
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Indicators

  • Last project: 7 years back
  • Collaboration with clients: 16
  • Last visit: 1 day 2 hours ago

Specializations

Web Programming

1044 place/6595
11 projects completed

PHP

428 place/1661
6 projects completed

Tags

prototyping golang

Skills and abilities

Programming

  • Web Programming
  • PHP
  • Bot Development
  • C#
  • Content Management Systems
  • Cryptocurrency & Blockchain
  • Data Parsing
  • Databases & SQL
  • Desktop Apps
  • HTML & CSS
  • Javascript and Typescript

Design & art

  • Interface Design (UI/UX)

Services

  • Cybersecurity & Data Protection
  • Data Processing
  • Information Gathering
  • Online Stores & E-commerce
  • Payment Systems Integration
  • Tuition
  • Website Development
  • Website Maintenance

Administration

  • DevOps
  • Linux & Unix
  • Software & Server Configuration
  • System & Network Administration
  • Windows

Translation

  • English
  • Software, Website & Game Localization
  • Ukrainian

Writing

  • Technical Documentation
  • Text Editing & Proofreading

Portfolio Works

OmyPayments (full-time)
0 28
OmyPayments (full-time)
Cryptocurrency & Blockchain
A payment provider. High-load project. I’m planning the architecture for future features, adding support for new blockchains and performing large-scale refactoring
ChainSpot (full-time)
0 21
ChainSpot (full-time)
Cryptocurrency & Blockchain
An aggregator of DeFi bridges and exchanges that allows users to swap assets at the best available rates. I’m responsible for integrating new providers and supporting of existing codebase
Asterizm (full-time)
0 26
Asterizm (full-time)
Cryptocurrency & Blockchain
Asterizm is a system consisting of smart contracts and an off-chain module that enables secure event transfer between different blockchains, for example for implementing cross-chain tokens. I mainly work on the "relay" component responsible for…
The bet365.com site
0 196
The bet365.com site
Bot Development
The bot connects to the web site through the WebSocket protocol, and receives data on current basketball matches in real time. Suitable matches are posted on the Telegram channel, which allows subscribers to quickly go to the match and make a bet. At…
by EsseMoney
2 189
by EsseMoney
Web Programming
Site under key, Laravel + Vue.js

Client reviews

DevOps to set VPS
56 USD
Thank you for the wonderful work done! Oleg - you are a great young and unbeatable professional! From the beginning, Oleg analyzed the tasks and proposed different solutions. Without any excessive questions, everything was done as appropriate and delivered to the customer. I am very happy to work together!

5.0

Oleg K.

Oleg K.
7 June 2019
Javascript for programmers: find out which moves in 5 web games
16 USD
A good professional, pleasant to work.

5.0

Oleg K.

Oleg K.
5 June 2019
Repair the existing drop.
2 USD
He quickly accomplished the task. Thank you !

5.0

Oleg K.

Oleg K.
18 May 2019
We need a technician for Laravel
22 USD
Oregon has done the task well.
It leads the project to a state where the customer likes it. of contact. During the performance, they changed tactics and achieved a result. I recommend cooperation.

5.0

Oleg K.

Oleg K.
17 May 2019
Module for loading goods to the market in Vkontakte
16 USD
Everything is done well and quickly. and satisfied.

5.0

Oleg K.

Oleg K.
16 May 2019
Correction of bugs in the Telegram-Bot on .NET
18 USD
Oleg has done the job well! Operational and qualified. He was initiative and interested in making the work done quality and quickly. Even after the closure of the deal, he made a few further directions. I definitely recommend!

5.0

Oleg K.

Oleg K.
20 April 2019
Laravel fixed the bugs.
67 USD
I did everything right, and never regreted for such a long collaboration.

5.0

Oleg K.

Oleg K.
11 August 2018
Working with the Laravel engine, project completion
11 USD
As always at the height. He did faster, and fixed additional bugs. The best of those with whom I have worked.

5.0

Oleg K.

Oleg K.
5 April 2018
Protect your site from spam by ignoring Google
3 USD
Everything is done very quickly and quality. thank you.

5.0

Oleg K.

Oleg K.
9 March 2018
Исправить сайт
3 USD
Уже второй раз обращаемся к этому фрилансеру и как всегда работа сделана на отлично, все четко и по заданию. Рекомендую как профессионального программиста! Будем еще обращаться!

5.0

Oleg K.

Oleg K.
25 February 2018
set up letsencrypt renew, and connect backup script
2 USD
Everything is great. We will work more.

5.0

Oleg K.

Oleg K.
23 February 2018
Connect Free-Kassa to the Site
2 USD
A good performer! The quality and time are perfect, I recommend.

5.0

Oleg K.

Oleg K.
18 February 2018
Работа с Laravel , и фронтенда.
Personal 34 USD
Вот уже третий раз работаю с данным исполнителем. По срокам , и по качеству - всё идеально. Без проблем ответит на твои вопросы, и всегда посоветует.

5.0

Oleg K.

Oleg K.
14 February 2018
JS/Websockets - Start a site with JavaScript on the site
3 USD
Very pleased with cooperation.

I will contact again.

5.0

Oleg K.

Oleg K.
3 February 2018
Фриланс проект (фронт/бек-енд, работа с апи.)
Personal 27 USD
Отличная работа, буду сотрудничать еще .

5.0

Oleg K.

Oleg K.
2 February 2018
Integration of free cash payment system
10 USD
The guy beautiful, did everything in the turbo mode in 3-4 hours!!The !

5.0

Oleg K.

Oleg K.
2 February 2018
Исправить сайт
6 USD
Потрясающе! Все разложил по полочкам, объяснил, что будет делать. За короткие сроки все сделано в лучшем виде!
Советую специалиста и желаю ему успехов в работе!
Обращайтесь, не пожалеете!

5.0

Oleg K.

Oleg K.
2 February 2018
Переверстать хэдер/меню
6 USD
Все отлично, работа выполнена профессионально и оперативно. Олег внимательно относится к правкам, приятен в общении и контактен. Рекомендую.

5.0

Oleg K.

Oleg K.
30 January 2018
Bitrix in shape
4 USD
The work was done quickly and very quality!

Cooperation is very pleased!

I recommend !

5.0

Oleg K.

Oleg K.
24 January 2018
Add 2 language versions
2 USD
Successful completion of project

5.0

Oleg K.

Oleg K.
20 January 2018

Indicators

Total projects:
19
Successful projects 100% 0 arbitrations
Average rating:
-
22 reviews
5.0
Professionalism
5.0
Quality
5.0
Price
5.0
Contactability
5.0
Deadlines

Activity

Latest proposals 10
Project
 Type Budget Proposal Deadline Added
Automation of contracts (recvisits and conditions)
Not specified
337 USD
7 days 17 May 2023
It is consultant
Not specified
11 USD
1 day 1 May 2023
Changes to the server
11 USD
11 USD
1 day 26 Apr 2023
You need to set up Linux server.
7 USD
7 USD
1 day 1 Aug 2019
Заблокировать сервер/сайты для всех стран кроме США и нескольких IP
Not specified
7 USD
1 day 2 Jun 2019
DevOps to set VPS
56 USD
56 USD
10 days 31 May 2019
PHP script redirect to several links
3 USD
3 USD
1 day 21 May 2019
Установить ReCaptcha
Not specified
9 USD
1 day 21 May 2019
Прокси
15 USD
10 USD
1 day 20 May 2019
Отправка на viber php
10 USD
7 USD
1 day 20 May 2019
Автоматизация договоров (реквизиты и условия)
Status Suspended by administration
Type Public project
Budget Not specified
Proposal 337 USD
Deadline 7 days
Added 17 May 2023
IT консультатн
Status Project expired
Type Public project
Budget Not specified
Proposal 11 USD
Deadline 1 day
Added 1 May 2023
Внести зміни на сервері
Status Project complete
Type Public project
Budget 11 USD
Proposal 11 USD
Deadline 1 day
Added 26 April 2023
Нужно настроить сервер Linux
Status Project complete
Type Public project
Budget 7 USD
Proposal 7 USD
Deadline 1 day
Added 1 August 2019
Заблокировать сервер/сайты для всех стран кроме США и нескольких IP
Status Closed without completion
Type Public project
Budget Not specified
Proposal 7 USD
Deadline 1 day
Added 2 June 2019
DevOps для налаштування VPS
Status Project complete
Type Public project
Budget 56 USD
Proposal 56 USD
Deadline 10 days
Added 31 May 2019
Php скрипт редиректа на несколько ссылок
Status Project complete
Type Public project
Budget 3 USD
Proposal 3 USD
Deadline 1 day
Added 21 May 2019
Установить ReCaptcha
Status Project expired
Type Public project
Budget Not specified
Proposal 9 USD
Deadline 1 day
Added 21 May 2019
Прокси
Status Project complete
Type Public project
Budget 15 USD
Proposal 10 USD
Deadline 1 day
Added 20 May 2019
Отправка на viber php
Status Closed without completion
Type Public project
Budget 10 USD
Proposal 7 USD
Deadline 1 day
Added 20 May 2019

Profile

Oleg K.
  • Oleg K.
  • Kyiv, Ukraine
  • 22 0
  • A little busy
  • Projects 19
  • Rating -
  • Rating 452
Want to offer Oleg K. a job?
Register

If you have an account, log in

Indicators

  • Last project: 7 years back
  • Collaboration with clients: 16
  • Last visit: 1 day 2 hours ago
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  • Polski
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