Ivan is available for hire

Ivan Karpushchenko

Verified Expert in Engineering

WordPress Developer

Kobuleti, Adjara, Georgia

Toptal member since September 8, 2022

Expertise

WordPress Themes Ajax Web Development Full-stack Elementor jQuery CSS LAMP Bootstrap Firefox Debugging Data Migration SugarCRM Development

Bio

Ivan is a standout software engineer with seven years of experience mastering WordPress and full-stack development and leading the entire product development lifecycle with finesse. At a high-performance, security-focused technology startup, he spearheaded a team of five through more than 30 successful product launches. With a robust 5-year freelance background, Ivan is renowned for his commitment to delivering top-quality solutions on time, consistently valuing and respecting client priorities.

Portfolio

VoiSmart

React, TypeScript, JavaScript, Dashboards, React DnD, Jest, UI Testing...

BeInCrypto

PHP, Sage, Blade, JavaScript, Tailwind CSS, Figma, WordPress SEO, LAMP, jQuery...

B2Broker

WordPress, Continuous Delivery (CD), JavaScript, GitLab, TypeScript, Full-stack...

Experience

WordPress - 7 years CSS3 - 7 years JavaScript - 7 years HTML - 7 years Git - 5 years React - 4 years Gutenberg Editor - 4 years Agile Software Development - 3 years

Availability

Part-time

Preferred Environment

Visual Studio Code (VS Code), Firefox, Figma, Docker, WordPress, Toggl, Todoist

The most amazing...

...thing I've built is a SaaS website-building platform using WordPress, AWS, Docker, and React under the hood. Each site had outstanding page speed performance.

Work Experience

Front-end Developer

2023 - PRESENT

VoiSmart

Developed a new version of the user dashboard for telephony software.
Built a user authentication service front end, including 2-factor authentication (2FA), data validation, and user policy updates.
Provisioned automated tests using Jest and React Testing Library.

Technologies: React, TypeScript, JavaScript, Dashboards, React DnD, Jest, UI Testing, API Integration, CI/CD Pipelines, Web Development

Full-stack Web Developer

2023 - 2023

BeInCrypto

Participated in the development of UI kit that increases the development speed with reusable components.
Developed interactive cryptocurrency widgets using chart libraries and async requests.
Refactored big legacy codebase with modern technologies.

Technologies: PHP, Sage, Blade, JavaScript, Tailwind CSS, Figma, WordPress SEO, LAMP, jQuery, Yoast SEO, WordPress API, Web Development, Geolocation, Google Analytics 4, WordPress Customization, Load Time, Web Performance Optimization (WPO), Website Performance

Full-stack Web Developer

2022 - 2023

B2Broker

Developed new functionality for corporate WordPress websites.
Participated in the improvement of work processes. Implemented code quality automation on development and deployment levels.
Refactored and modernized the company's legacy codebase, enhancing the stability and scalability of the system.

Technologies: WordPress, Continuous Delivery (CD), JavaScript, GitLab, TypeScript, Full-stack, Full-stack Development, Gutenberg Editor, Advanced Custom Fields (ACF), WordPress SEO, LAMP, jQuery, Yoast SEO, Web Development, Google Analytics 4, WordPress Customization, Load Time, Web Performance Optimization (WPO), Website Performance

Technical Leader

2021 - 2022

Lincoln Labs

Conducted process automation and optimization, overall system improvements, and new feature planning.
Provided technical decisions that led to over twice the speed for the whole team.
Engaged actively in developments for WordPress PHP back-ends, AWS and Linux server infrastructure, and Python scripting.
Produced solutions that were well-balanced between time and complexity.
Managed a team of five members and mentored co-workers.
Collaborated with HR and conducted over 30 technical interviews.

Technologies: WordPress, Docker, CI/CD Pipelines, Python, JavaScript, React, Jira, Bitbucket, Git, Figma, Gutenberg Editor, Pods.io, Automation, Webpack, Documentation, Team Leadership, Presentations, PHP, Bash Script, HTML, CSS, Plugins, Sass, Linux, Data Migration, SQL, WooCommerce, Debugging, Search Engine Optimization (SEO), WordPress Plugins, Legal, Amazon Web Services (AWS), Site Speed Optimization, Web Security, Theme Development, MySQL, QA Testing, Elementor, Performance, Website Optimization, Ajax, GitLab, API Integration, Full-stack, Full-stack Development, WordPress SEO, LAMP, jQuery, Yoast SEO, WordPress API, Web Development, WPBakery, ADA Compliance, WordPress Security, Google Analytics 4, WordPress Customization, Load Time, Web Performance Optimization (WPO), Website Performance

WordPress Developer

2020 - 2021

Lincoln Labs

Collaborated with teammates on a new startup core functionality.
Performed high accents to improve core web vitals and client performance.
Developed for the back and front end using PHP, React, and page builders.

Technologies: Docker, WordPress, Python, Teamwork, Jira, Gutenberg Editor, React, JavaScript, CSS3, Webpack, Git, Bitbucket, HTML, CSS, WordPress Themes, Plugins, Bootstrap, Sass, Linux, Data Migration, SQL, WooCommerce, Debugging, Search Engine Optimization (SEO), WordPress Plugins, Legal, Amazon Web Services (AWS), Site Speed Optimization, Web Security, Theme Development, PHP, MySQL, QA Testing, Performance, Website Optimization, Ajax, Figma, GitLab, API Integration, Full-stack, Full-stack Development, WordPress SEO, LAMP, jQuery, Yoast SEO, WordPress API, Web Development, ADA Compliance, WordPress Security, Google Analytics 4, WordPress Customization, Load Time, Web Performance Optimization (WPO), Website Performance

Full-stack Web Developer

2015 - 2020

Self-employed

Recognized as a top-rated freelance contributor and received great reviews and long-term contracts by focusing on quality outputs and relationships.
Created websites from scratch using HTML, CSS, and page builder software.
Developed custom themes for WordPress using modern technologies like the Sage framework.
Built WordPress plugins for many clients, including the first WordPress payment gateway for a bank in Lebanon.

Technologies: WordPress, JavaScript, jQuery, PHP, Laravel, SuiteCRM, SugarCRM, MySQL, WP-CLI, Advanced Custom Fields (ACF), Pods.io, Vue, React, HTML, CSS, WordPress Themes, Plugins, Bootstrap, Sass, Vuetify, Linux, Data Migration, SQL, WooCommerce, Debugging, Search Engine Optimization (SEO), WordPress Plugins, Site Speed Optimization, Web Security, Theme Development, Twig, Elementor, Performance, Website Optimization, Ajax, Figma, GitLab, Full-stack, Full-stack Development, Firebase, Payment APIs, WooCommerce API, WordPress SEO, LAMP, Yoast SEO, WordPress API, WordPress Design, Web Development, WPBakery, Gravity Forms, WordPress Security, WordPress Customization, Load Time, Web Performance Optimization (WPO), Website Performance

Experience

Builders Association Website

http://sroslo.ru/chlenstvo/reestr-chlenov-assotsiatsii/

A website that I developed for a builders association with almost 500 members in the database automatically synced with an external source. It has an interactive map of regions and a legal documents viewer right on the website. Each member can also log in to access private documents and a messaging system.

Home Renovation Calculator

https://realrenopro.ca/

A fully-functional single-page application that I developed with Vue on the front end and WordPress on the back end. It has multiple languages and is manageable from the admin area. It also has a full list of leads with all the renovation details and is comfortably stored in the back end, with an estimate of over 50 fields in one request.

Custom Shipping and Payment Gateway Plugins

https://www.atelierdumiel.com

Two custom integrations specifically for this website. I integrated with the Lebanon Post for sending packaging requests on successful orders. I also integrated with the Bank of Beirut's Mastercard payment gateway. It works with simple orders and recurring payments.

Cryptocurrency News Portal

https://beincrypto.com/

This is a WordPress-based website for which I developed most of the UI kit and components used on the website, including interactive widgets, all the buttons, postcards, responsive grids, and mobile versions.

Education

2008 - 2013

Master's Degree in Civil Engineering

Saint-Petersburg State University of Industrial Technologies and Design - Saint-Petersburg, Russia

Skills

Libraries/APIs

jQuery, WordPress API, React, WooCommerce API, Vue, REST APIs, Vuex, React DnD, Sage

Tools

Advanced Custom Fields (ACF), WP-CLI, Gutenberg Editor, Git, Bitbucket, GitLab, WPBakery, Postman, Figma, Toggl, Adobe InDesign, Adobe Photoshop, PTC Mathcad, AutoCAD, SugarCRM, Jira, Webpack, WPML, Todoist

Languages

CSS3, HTML, CSS, JavaScript, PHP, Sass, SQL, Assembler, Python, Bash Script, C++, TypeScript

Frameworks

Bootstrap, Pods.io, Vuetify, Material UI, Laravel, Twig, Jest, Tailwind CSS

Platforms

Firefox, WordPress, LAMP, WooCommerce, Visual Studio Code (VS Code), Docker, SuiteCRM, Linux, Amazon Web Services (AWS), Firebase

Paradigms

Agile Software Development, Web Performance Optimization (WPO), Automation, Search Engine Optimization (SEO), Continuous Delivery (CD)

Storage

MySQL

Other

WordPress Themes, Plugins, WordPress Plugins, Theme Development, Elementor, Full-stack, Full-stack Development, Ajax, Web Development, WordPress Customization, Plugin Development, Data Migration, Debugging, Legal, Site Speed Optimization, Web Security, API Integration, Performance, Website Optimization, Payment APIs, WordPress SEO, Yoast SEO, ADA Compliance, WordPress Security, Load Time, Website Performance, Printing, Teamwork, CI/CD Pipelines, Documentation, Team Leadership, Presentations, SVG, APIs, QA Testing, Dashboards, UI Testing, Blade, WordPress Design, Geolocation, Gravity Forms, Google Analytics 4

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring