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Konstantin Doronin
Verified Expert in Engineering
Web Developer
Al Jazirah Al Hamra, United Arab Emirates
Toptal member since March 7, 2022
Bio
Konstantin is a web developer with a decade of experience and 200+ projects under his belt in a range of industries (fitness, medtech, and construction) and technologies (WordPress). He's designed and implemented online IT systems and has a proven track record for driving product management. Ambitious and self-motivated, Konstantin is committed to achieving superior performance and the fast development of high-quality internet projects and IT infrastructure, resulting in clearly measurable ROI.
Portfolio
Wowvendor
IT Management, WordPress, WooCommerce, PHP 7, MySQL, REST APIs, Jira, eCommerce...
MEDvidi
WordPress, PageSpeed, Optimization, GTmetrix, Elementor, MySQL, IT Management...
YouTube Project: VLAD iss
WordPress, WooCommerce, Payment APIs, Amazon Simple Email Service (SES)...
Experience
- PHP - 13 years
- Web Development - 13 years
- CSS - 12 years
- MySQL - 10 years
- HTML5 - 7 years
- WordPress - 6 years
- Figma - 5 years
- WooCommerce - 5 years
Preferred Environment
WordPress, WooCommerce, Web Analytics, IT Management
The most amazing...
...contributions I've made were for Sliz Club, a closed training club based on a subscription model; check out the details below.
Work Experience
Team Lead PHP Developer
2021 - PRESENT
Wowvendor
- Optimized SQL queries and increased the speed by 200%.
- Contributed to the integration of the eCommerce site with three other services (inside and outside).
- Realized the specific business logic as a module for WooCommerce.
Technologies: IT Management, WordPress, WooCommerce, PHP 7, MySQL, REST APIs, Jira, eCommerce, User Interface (UI), User Experience (UX), WordPress Design, Web Development, PHP, Python, Git, Online Payments, Site Speed Optimization, NGINX, Cloudflare, Caching, FastCGI, HTML, JavaScript, WordPress Theme Design, Performance, SQL, Looker, Google Tag Manager, Google Tag Manager API, Reporting, Data Analytics, Data Engineering, Google Analytics 4 (GA4), Search Engine Optimization (SEO), Yoast SEO, Websites, WordPress Themes, Web Security, LAMP, Architecture, Elasticsearch, DevOps
Lead WordPress Developer
2020 - 2021
MEDvidi
- Performed a detailed review of the project code which covered seven websites.
- Completed a project security audit and removed all detected malware.
- Optimized the website: previously, a web page took 20 seconds to open or did not open at all, whereas now the page load time took only 0.5 to 2.5 seconds depending on the user’s device and internet connection.
- Implemented new features and removed redundant plugins.
- Created the new Elementor-based website, Medvidi.com; it is the main company website.
- Enabled website traffic of up to 200,000 visitors per month without any disruptions.
- Increased the visitor-to-sale website conversion rate.
Technologies: WordPress, PageSpeed, Optimization, GTmetrix, Elementor, MySQL, IT Management, User Interface (UI), User Experience (UX), WordPress Design, Web Development, PHP, Git, Site Speed Optimization, Cloudflare, Caching, Landing Pages, HTML, WordPress Theme Design, Performance, SQL, Google Tag Manager, Google Tag Manager API, Websites, WordPress Themes, Web Security, LAMP, Architecture, Elasticsearch
Chief Technical Officer
2019 - 2021
YouTube Project: VLAD iss
- Launched a subscription system based on recurring payments. The company was the first in Russia to use the "pay what you want" system, boosting the follower count and maintaining a positive ROI despite a lower average spend.
- Established an automated Selenium-powered system for adding and deleting Instagram users.
- Set up an email notification system based on Amazon SES and commercial plugins.
- Created software for VDS for company websites, a URL shortening system, and a 2-step fast payment system.
- Launched end-to-end analytics based on Roistat and Google Analytics.
- Drove traffic to websites and landing pages of up to 10,000 visitors per day.
- Established the IT infrastructure for a subscriber-only private club offering online workout classes; the club had about 1,200 members.
- Developed and launched more than 30 landing pages and additional services.
Technologies: WordPress, WooCommerce, Payment APIs, Amazon Simple Email Service (SES), Selenium, Google Analytics, Marketing Analytics, Facebook Pixel, eCommerce, User Interface (UI), User Experience (UX), WordPress Design, Web Development, PHP, Python, Git, Online Payments, Site Speed Optimization, NGINX, Cloudflare, Caching, FastCGI, Landing Pages, HTML, JavaScript, WordPress Theme Design, Performance, SQL, Google Tag Manager, Google Tag Manager API, Data Engineering, Yoast SEO, Websites, WordPress Themes, Architecture
Chief Business Development Officer
2017 - 2019
Elitsy Orthodox Social Network
- Created and launched an email marketing system for the commercial department and the charitable foundation.
- Built and launched a content-based and search engine marketing system for the commercial department.
- Made and launched an analytics system for all departments within the company.
- Spearheaded and delivered new content delivery systems such as Yandex Zen and email marketing.
- Initiated, developed, and supported two new projects.
- Made a significant impact on several areas such as increasing user retention by 30%, doubling the revenue of the commercial department, and improving the revenue of the charitable foundation by 50%.
- Defined a development strategy for a YouTube channel that led to an increase in the number of subscribers from 70,000 to 110,000.
- Spearheaded a number of initiatives to improve audience loyalty.
Technologies: Management, Web Marketing, Email Marketing, Web Analytics, WordPress, SEO Tools, Product Management, eCommerce, WordPress Design, Web Development, PHP, Caching, HTML, WordPress Theme Design, Performance, Google Tag Manager API, Reporting, Search Engine Optimization (SEO), Websites, LAMP, Architecture
WordPress Developer
2016 - 2018
Belov Digital Agency
- Developed and supported more than 150 customer websites around the world.
- Worked with various WordPress plugins and themes as well as generated solutions for bugs.
- Built websites for a range of industries, including automobiles, banking, IT, sports, among others.
Technologies: WordPress, WooCommerce, CSS, jQuery, Ajax, Bug Fixes, eCommerce, WordPress Design, Web Development, PHP, Git, Online Payments, Site Speed Optimization, Cloudflare, Caching, W3 Total Cache, Landing Pages, HTML, JavaScript, WordPress Theme Design, Performance, SQL, Google Tag Manager, Google Tag Manager API, Search Engine Optimization (SEO), Yoast SEO, Websites, WordPress Themes, Web Security, LAMP, Architecture
Freelance Developer
2010 - 2017
Freelance
- Developed website and provided technical support for Russian Air Power Athletics Federation, Rapaf.ru (2012-2017).
- Built and designed websites for a distributor of equipment for building bridges, tunnels, Oosistema.ru (2017).
- Created websites (development and design) for the automobile technical center called CHECK, Atc-check.ru (2015).
- Developed websites for an antituberculosis dispensary in Omsk, Kptd55.ru (2015).
- Developed, for ZARAMKI (a digital creative agency), apps for holding professional conferences. C#, Unity 3D with AR-framework Vuforia (2012-2014).
- Provided turnkey website development and technical support which included filling with content and updating modules for Your Home Management Company (housing and utilities), based in Omsk, Russia (2010-2015).
- Provided turnkey website development for Children’s Academy (daycare) in 2010.
Technologies: WordPress, CSS, MySQL, jQuery, Computer Science, Web Development, PHP, Cloudflare, Landing Pages, HTML, JavaScript, Performance, Search Engine Optimization (SEO), Yoast SEO, Websites, WordPress Themes, LAMP, Architecture
Experience
Sliz Club
Sliz Club is a closed training club based on a subscription model.
Tasks Accomplished:
• Set up the server and installed necessary server-side software.
• Created a WordPress and WooCommerce website.
• Built a second WordPress site for the marketing team. On that website they can create any landing pages (with Elementor) without needing access to a user's personal data.
• Constructed a REST API endpoint on an eCommerce site and a payment form for Elementor.
• Used Selenium to create automatic system that can add and delete users from a closed Instagram account (all training materials are held on Instagram).
• Made a few landing pages for the marketing team; afterward they could customize them for marketing campaigns.
• Established an end-to-end analytics system based on Roistat and the Google Analytics Measurement API.
• Set up Facebook Pixel with server-side events.
Tasks Accomplished:
• Set up the server and installed necessary server-side software.
• Created a WordPress and WooCommerce website.
• Built a second WordPress site for the marketing team. On that website they can create any landing pages (with Elementor) without needing access to a user's personal data.
• Constructed a REST API endpoint on an eCommerce site and a payment form for Elementor.
• Used Selenium to create automatic system that can add and delete users from a closed Instagram account (all training materials are held on Instagram).
• Made a few landing pages for the marketing team; afterward they could customize them for marketing campaigns.
• Established an end-to-end analytics system based on Roistat and the Google Analytics Measurement API.
• Set up Facebook Pixel with server-side events.
MEDvidi
https://medvidi.com/I built this Elementor-based WordPress website for a medtech startup. It was created in three working days before it was presented to investors. The first version of the website had 5-7 different pages with content.
OOO Sistema
https://ooosistema.ru/I created this website for a distributor of construction equipment for building bridges and tunnels. It's based on Gutenberg editor with the possibility of full customization without a developer. The website successfully attracted several B2B customers.
Education
2011 - 2017
Bachelor's Degree in Computer Science
Dostoevsky Omsk State University - Omsk, Russia
Skills
Libraries/APIs
Facebook API, REST APIs, WordPress API, jQuery, Google Analytics Measurement API, Google Analytics API, WooCommerce API, Google Tag Manager API
Tools
PageSpeed, Google Analytics, Facebook Pixel, Advanced Custom Fields (ACF), Git, Figma, Jira, Amazon Simple Email Service (SES), Gutenberg Editor, GitHub, NGINX, Looker
Languages
PHP, CSS, HTML5, PHP 7, CSS3, HTML, JavaScript, SQL, Python
Paradigms
REST, Management, Search Engine Optimization (SEO), Object-oriented Programming (OOP), Functional Programming, DevOps
Platforms
WordPress, WooCommerce, WordPress Theme Design, LAMP
Storage
MySQL, Databases, Elasticsearch
Frameworks
Selenium
Other
Web Development, Schema.org, Computer Science, Programming Languages, Payment APIs, Web Analytics, IT Management, Optimization, GTmetrix, Elementor, Marketing Analytics, SEO Tools, Ajax, Bug Fixes, WordPress Plugins, WordPress Themes, Site Speed Optimization, eCommerce, WordPress Design, Cloudflare, Caching, Landing Pages, Performance, Google Tag Manager, Yoast SEO, Websites, Architecture, Web Marketing, Email Marketing, Product Management, SVG, WordPress Multisite, User Interface (UI), User Experience (UX), Online Payments, W3 Total Cache, FastCGI, Reporting, Data Analytics, Data Engineering, Google Analytics 4 (GA4), Web Security
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