Konstantin Tretyakov
Private message 
Offer work 
Kharkiv,
Ukraine
available for hire
Rating
Language proficiency level
Українська: fluent
Русский: upper-intermediate
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
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Bot Development
from 18 USD for hour
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Content Management Systems
from 14 USD for hour
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HTML & CSS
from 11 USD for hour
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Javascript and Typescript
from 14 USD for hour
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PHP
from 15 USD for hour
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Web Programming
from 15 USD for hour
Design & art
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Interface Design (UI/UX)
from 14 USD for hour
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Mobile Apps Design
from 14 USD for hour
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Vector Graphics
from 10 USD for hour
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Web Design
from 14 USD for hour
Services
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AI Consulting
from 27 USD for hour
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Customer Support
from 11 USD for hour
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Data Processing
from 11 USD for hour
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Enterprise Resource Planning (ERP)
from 23 USD for hour
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Online Stores & E-commerce
from 18 USD for hour
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Website Development
from 18 USD for hour
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Website Maintenance
from 15 USD for hour
Promotion
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Search Engine Optimization (SEO)
from 15 USD for hour
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Website SEO Audit
from 18 USD for hour
Administration
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DevOps
from 23 USD for hour
Portfolio
- All works 41
- PHP 1
- Interface Design (UI/UX) 1
- Web Design 5
- Content Management Systems 1
- Web Programming 15
- HTML & CSS 17
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113 USD Elementor Homepage
Web Programming
Transfer of design from Figma to Elementor in WordPress.
#Figma #Elementor #WordPress
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338 USD Studio that manages social networks
Interface Design (UI/UX)
10 sections, design only without implementation
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Website of the window and door manufacturer
Design, layout, texts
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Interior agency. Unique interiors for your home
Web Design
Design, texts, composition
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Gaming portal pockerHub
Web Design
Design, texts, composition
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90 USD Auto Parts Landing
Web Design
Design, texts, composition
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34 USD Landing page design for a lawyer
Web Design
Design, texts, composition, corporate style
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Website design for a web studio
Web Design
A small but highly professional team of developers specializing in creating modern websites and applications.
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158 USD Job Vacancies Page
PHP
Interaction with external API, record filtering, feedback form
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124 USD Website of the SMM agency
Web Programming
Implementation on WordPress, content filling, SEO optimization
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158 USD Psychologist's website
Web Programming
Implementation on WordPress, content filling, SEO optimization
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45 USD Corrections of the custom WordPress theme
Web Programming
Correction of errors, partial reworking of functionality, optimization of code and images, redesign of CTA forms. Bringing the website into the "green zone".
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3494 USD Site for real estate agents makler-lotse.de
Content Management Systems
This website is designed for real estate agents. Details are available on the platform itself. The project was developed in stages and integrates with other websites of the same client, which helps avoid data duplication. The platform also includes a testing and certification system, a search for real estate agents by client location, and many other useful features.
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Posts from fraider.com
HTML & CSS
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Art of Person
HTML & CSS
#page site under further application as a theme of layout for #CMS #WordPress. #Adaptivity and #Crossbrusiness
Reviews and compliments on completed projects 41
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Real expert -
Craft master -
Quick answers -
First-class quality -
Nice communication -
High responsibility -
Great price -
Lightning fast
19 May
113 USD
Elementor WordPress page
The project was completed wonderfully. All details, wishes, and minor adjustments were taken into account. Thank you very much!
4 December 2025
16 USD
Wordpress consultation
Super professional, thank you for the consultation!
1 December 2025
68 USD
Corrections in the database, microdata of the website on WordPress
Everything is good, the technical task is completed! Thank you!
23 September 2025
90 USD
Landing page design for auto parts selection
The project is completed. Everything is clear and on time. Mastery in design and layout is at the highest level. I will reach out again, I recommend Konstantin for work.
16 September 2025
90 USD
RBTF
The work is completed, thank you for the excellent result!
9 September 2025
23 USD
WooCommerce Product Export Plugin
Everything was done quickly and efficiently, even with improvements. I will reach out again.
22 July 2025
158 USD
Implementation of the job vacancies section on WordPress (CPT + filters)
Great job, prompt communication
Competent and quick specialist, I recommend!
7 June 2025
158 USD
Migration of the project from Webflow to WordPress
Made a website. Everything was liked
8 April 2025
124 USD
Layout + installation on WP
Super communication! Let's keep working.
11 March 2025
180 USD
Develop 3 screens with functionality for the website.
Quality work, I recommend Konstantin
7 March 2025
45 USD
Development of 4 screens in the personal account on the WordPress website
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 2025
226 USD
Website redesign
Very professional, on time! I even extended the deadlines due to the holidays, but that was unnecessary. I recommend.
27 December 2024
11 USD
Fix the code on the website
Luxurious. Everything was discussed and done quickly.
23 December 2024
45 USD
Correction of the website header and sections (blocks) in WordPress
Konstantin performed everything perfectly, attention to detail and corrections are impeccable. Everything was done on time.
20 December 2024
45 USD
Corrections of the custom WordPress theme
Experienced and communicative! I recommend for collaboration
27 December 2019
23 USD
Доработать получение сертификата в сiстеме
Отличный исполнитель! Задачи выполняются качественно и согласно оговоренным срокам!
23 September 2019
49 USD
Попап на окончание экзаменации Обратный отчет до повторной экзаменации
Работаем не в первый раз! все, как обычно, на самом высоком уровне!
27 August 2019
58 USD
Создать страницу-отчет
Работаем не первый раз. Все без сюрпризов. Быстро и качественно!!
23 August 2019
79 USD
Ряд работ по механизмам экзаменации на сайте на Drupal 7
Pаботаем не в первый раз- отличный исполнитель!
16 August 2019
32 USD
Необходимо создать страницы для вывода результатов эказменации.
работаем не в первый раз- отличный исполнитель!
9 August 2019
26 USD
Blocks for small permissions.
We do not work for the first time. All without surprises. Fast and quality!The !
8 August 2019
27 USD
I need a wordpress editor.
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.
6 August 2019
128 USD
Create a user profile editing page. Drupal 7
We do not work for the first time. All without surprises. Fast and quality!
2 August 2019
44 USD
Create a password recovery page.
We do not work for the first time. It’s all done quality!!The !
A great performer!
Comprehensive compliance with terms and quality
The complaints are adequately accepted
Always in contact!
I recommend!
11 July 2019
14 USD
Create a price (XML file) for Rosetki
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
23 USD
by Caterina
Thank you very much for performing the work! Fast and quality! I recommend cooperation
26 June 2019
34 USD
Доработки сайта на Woocommerce
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
56 USD
Transfer the website to WP
Constantine has done the task greatly. We will have to work again.
29 November 2018
7 USD
The Adaptive Block
It's great that I asked and did it 🙂
19 November 2018
11 USD
You need to add to the old XML/YML price products.
I do not work for the first time, as usual, fast and quality work.
1 November 2018
11 USD
List of 1 page
A great executive. He did everything greatly. I recommend !
| Response review
23 August 2018
7 USD
Replace the image and property in the XML/YML price.
It’s all very fast, fun to work!
31 July 2018
6 USD
Требуется настроить фильтр
Хорошая работа. Работаем не первый раз и результатом довольны
26 July 2018
10 USD
You need to make a filter on the Drupal website.
A good performer. He performed the work quickly. Always in connection
20 July 2018
24 USD
Turn the adaptative from the PSD: “the hat”, “the fall”
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!
| Response review
14 July 2018
34 USD
Technical HTML documentation
The project is done quickly and clearly. I recommend Constantine as a responsible and quality contractor.
Constantine thank you!
| Response review
18 May 2018
9 USD
Preparing a product-downloading file in XML/YML format for Roosevelt
The work is done very quickly and quality. I recommend it.
23 December 2017
2 USD
It is necessary to fix the bugs in the roof.
I was pleased to cooperate with Constantine, did everything quality, adequate and cheap, I recommend!
15 November 2017
2 USD
Check and correct errors in the prey of the XML file for rozetka.ua
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.
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