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Konstantin Tretyakov

Reliable Plus holder
Offer Konstantin work on your next project.

Ukraine Kharkiv, Ukraine
1 hour 58 minutes back
Available for hire available for hire
31 Safes completed
6 hours 58 minutes back
21 clients
27 proposals made
on the service 7 years

Rating

Successful projects
100%
Average rating
9.96 out of 10
Rating
2018
Web Programming
308 place out of 5851
PHP
121 place out of 1738
15 projects
Web Programming
12 projects
HTML & CSS
4 projects
PHP
3 projects
Desktop Apps

Language proficiency level

Українська Українська: fluent
Русский Русский: upper-intermediate
English English: intermediate

CV

I am a Front-end/Back-end developer specializing in creating high-quality web solutions.


Since 1997, I have been working on HTML coding and website development using CMS platforms such as Drupal (versions 7, 8, 9, 10) and WordPress, including the Divi page builder, Shopify.


SERVICES AND EXPERIENCE

💎 HTML Coding: Transforming design layouts into functional web pages using modern approaches and technologies, including JavaScript and jQuery.

💎 Drupal and WordPress: Developing websites and custom modules focused on user convenience and functionality.

💎 WooCommerce: Creating and optimizing online stores to enhance user experience and boost sales.

💎 Theming and Responsive Design: Designing appealing and responsive themes for various CMS platforms, including Drupal, WordPress, and OpenCart.

💎 Modern Web Technologies: Proficiency in HTML5/CSS3, Flexbox, CSS Grid Layout, and using BEM, SASS, and Gulp for efficient styling.

💎 Development Tools: Professional use of Adobe Photoshop, Illustrator for graphic editing and slicing, as well as Git, Docker, CI/CD for streamlined workflows.


WORK APPROACH

I apply a component-based approach to development, ensuring cross-browser compatibility and responsiveness for the latest versions of modern browsers.


💬 If you are looking for a reliable partner in web development, contact me today to discuss how we can collaborate to bring your project to life.


💡SKILLS

Drupal, Drupal theme, Drupal developer, Drupal theme creation, Drupal theme customization, Figma to Drupal, Fix Drupal theme, Drupal loading speed, WordPress, WordPress theme, WordPress developer, WordPress theme creation, WordPress theme customization, Figma to WordPress, Advanced Custom Fields (ACF), WooCommerce, Fix WordPress theme, WordPress plugin, Contact Form 7, Yoast SEO, All in One SEO, Classic Editor, All-in-One WP Migration, WP Migrate, WP Mail SMTP, WP Fastest Cache, Autoptimize, W3 Total Cache, WP-Optimize, SVG Support, File Manager, Smush, Options Tree, Safe SVG, Imagify, WPML, WP-PageNavi, Post Types Order, Mailchimp, Category Order and Taxonomy Terms Order, AddToAny Share Buttons, AMP, Gutenberg, AffiliateWP, PageSpeed Insights, WordPress loading speed, PSD to HTML, Figma to HTML, Markup, HTML, HTML/CSS, CSS, CSS3, SCSS, SASS, Less, JavaScript, jQuery, Ajax, PHP, Twig, Timber, Bootstrap, Flexbox (CSS flexbox), UIkit, gulp, webpack, Docker, GitHub, GitLab, git, Figma, Adobe Photoshop, SEO, Yoast SEO.

Skills and abilities

Programming

Design & art

Services


Promotion

Administration

  • DevOps
    from 24 USD for hour

Portfolio


Reviews and compliments on completed projects 34

  • Real expert
  • Craft master
  • Quick answers
  • First-class quality
  • Nice communication
  • High responsibility
  • Great price
  • Lightning fast
Quality
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Deadlines

Competent and quick specialist, I recommend!

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Made a website. Everything was liked

8 April 132 USD
Layout + installation on WP

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Super communication! Let's keep working.

11 March 192 USD
Develop 3 screens with functionality for the website.

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Quality work, I recommend Konstantin

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Well-done work, a thoughtful approach, and attention to detail are pleasing. Responsive and willing to communicate.
We will continue working.
I recommend Konstantin.

8 January 240 USD
Website redesign

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Very professional, on time! I even extended the deadlines due to the holidays, but that was unnecessary. I recommend.

27 December 2024 12 USD
Fix the code on the website

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Luxurious. Everything was discussed and done quickly.

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Konstantin performed everything perfectly, attention to detail and corrections are impeccable. Everything was done on time.

20 December 2024 48 USD
Corrections of the custom WordPress theme

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Experienced and communicative! I recommend for collaboration

27 December 2019 24 USD
Доработать получение сертификата в сiстеме

Quality
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Deadlines

Отличный исполнитель! Задачи выполняются качественно и согласно оговоренным срокам!

23 September 2019 52 USD
Попап на окончание экзаменации Обратный отчет до повторной экзаменации

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Работаем не в первый раз! все, как обычно, на самом высоком уровне!

27 August 2019 61 USD
Создать страницу-отчет

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Работаем не первый раз. Все без сюрпризов. Быстро и качественно!!

23 August 2019 84 USD
Ряд работ по механизмам экзаменации на сайте на Drupal 7

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Pаботаем не в первый раз- отличный исполнитель!

16 August 2019 34 USD
Необходимо создать страницы для вывода результатов эказменации.

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работаем не в первый раз- отличный исполнитель!

9 August 2019 27 USD
Blocks for small permissions.

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We do not work for the first time. All without surprises. Fast and quality!The !

8 August 2019 29 USD
I need a wordpress editor.

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Deadlines

Everything started well, but it did not end very well. Constantine did not understand the task until the end, he did and had to do it. He sparked, used to the arbitration, and then still done. The work was done, but at the end with a lot of nerve.

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We do not work for the first time. All without surprises. Fast and quality!

2 August 2019 47 USD
Create a password recovery page.

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We do not work for the first time. It’s all done quality!!The !

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A great performer!
Comprehensive compliance with terms and quality
The complaints are adequately accepted
Always in contact!

I recommend!

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Constantine is sensitive and pleasant in communication. He carried out the project quickly and made all the necessary steps. I recommend cooperation!

8 July 2019 24 USD
by Caterina

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Thank you very much for performing the work! Fast and quality! I recommend cooperation

26 June 2019 36 USD
Доработки сайта на Woocommerce

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Всё сделано быстро и без лишних вопросов, хотя они и могли быть — велась работа с чужим кодом. Спасибо, что во всём разобрались)

17 May 2019 60 USD
Transfer the website to WP

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Constantine has done the task greatly. We will have to work again.

29 November 2018 7 USD
The Adaptive Block

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It's great that I asked and did it 🙂

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I do not work for the first time, as usual, fast and quality work.

1 November 2018 12 USD
List of 1 page

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A great executive. He did everything greatly. I recommend !

Profile deleted | Safe Safe | Response review

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It’s all very fast, fun to work!

31 July 2018 6 USD
Требуется настроить фильтр

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Хорошая работа. Работаем не первый раз и результатом довольны

Profile deleted | Personal | Response review

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A good performer. He performed the work quickly. Always in connection

Profile deleted | Safe Safe

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Man level expert in adaptive layer and CMS Drupal. He did above the agreed (corrected the gross errors in the template, broke out with JS), he did not have to control every step. I recommend it without any doubt!

Profile deleted | Safe Safe | Response review

14 July 2018 36 USD
Technical HTML documentation

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The project is done quickly and clearly. I recommend Constantine as a responsible and quality contractor.
Constantine thank you!

Profile deleted | Safe Safe | Response review

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The work is done very quickly and quality. I recommend it.

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I was pleased to cooperate with Constantine, did everything quality, adequate and cheap, I recommend!

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The task is performed very quickly and qualitatively, without any extra questions, and bonus plus - consultation on current issues.
There are no notes.
I advise as a good executive.

Activity

  Latest proposals 10
Freelance project
288 USD
Freelance project
24 USD
Freelance project
Migrate to WordPress
24 USD
Freelance project
24 USD
Freelance project
Freelance project
96 USD
Freelance project
100 USD
Freelance project
120 USD
Freelance project