Alex

ALEX SHEVCHENKO
Senior Full-Stack Developer
PHP 8 / WordPress / JavaScript / REST APIs / Performance
Split, Croatia | Remote | CET/CEST
[open contact info](look above in the "contact info" section) | LinkedIn | Telegram: @Alex_Shevchenko1

PROFILE
Senior Full-Stack Developer with 10+ years of commercial experience building WordPress platforms across PHP
backends, REST APIs, JavaScript interfaces, and MySQL data layers. Delivered custom plugins and themes, enterprise
migrations, secure customer portals, and third-party integrations for international clients and distributed teams.
Experience optimising high-traffic WordPress sites through SQL improvements, custom data storage, and Redis
caching. Work spans architecture, responsive UI implementation, automated testing, deployment, and production
troubleshooting. Use Codex, Claude Code, and Cursor to support implementation, refactoring, testing, and
documentation, with senior review of generated code.

TECHNICAL SKILLS
Backend and APIs: PHP 7/8, OOP, SOLID, Symfony, Laravel, Composer, PSR standards, REST APIs, JSON,
authentication, role-based access
WordPress: Core, custom plugins and themes, hooks, custom post types, taxonomies, metadata, Gutenberg, ACF
Pro / Blocks, WP-CLI, WP-Cron, WPML, Multisite, WooCommerce
Frontend: JavaScript, TypeScript, jQuery, AJAX, HTML5, CSS3, Less, SCSS/Sass, Twig, Webpack, responsive interfaces
Data and performance: MySQL, SQL optimisation, custom database tables, Redis caching, PostgreSQL, SQLite,
import/export pipelines, large-scale content and user migrations
Quality and delivery: Git, code review, PHPUnit, WordPress unit testing, PHP_CodeSniffer (PHPCS), Psalm, ESLint,
GitHub Actions, CI/CD, Docker, Pantheon, Cloudflare
Integrations: Oracle HCM, Stripe, Mailchimp, HubSpot, Mixpanel, Mapbox GL JS, Google Maps

PROFESSIONAL EXPERIENCE
Sigma Software | Full-Stack Developer / WordPress Developer
Aug 2023 - Aug 2026
• Delivered an enterprise Drupal 7 to WordPress migration with private portals, restricted content, migrated user
accounts, and a modern responsive frontend.
• Built reusable ACF/Gutenberg components, custom REST endpoints, multilingual WPML functionality, and WP-Cron
processes.
• Integrated Oracle HCM Recruiting APIs for scheduled vacancy imports, structured field mapping, duplicate
prevention, and advanced search.
• Implemented custom roles and capabilities, approval and account-expiration workflows, authentication rules, and
portal-specific redirects.
• Delivered Stripe payment flows and Mailchimp integrations; supported deployment, debugging, and production
stabilisation on Pantheon and Cloudflare.
Mabbly | Full-Stack Developer / WordPress Developer
Nov 2020 - Jul 2023
• Built and maintained custom WordPress plugins, themes, Gutenberg components, and enterprise content
workflows.
• Developed REST APIs and integrations with Mixpanel and other platform data services; created import/export tools
for posts, products, users, and external datasets.
• Implemented WooCommerce, BuddyBoss, BetterDocs, ACF Pro, WPML, Gravity Forms, and Redis-based solutions.
• Contributed to architecture, code reviews, troubleshooting, and performance improvements in distributed teams.

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PROFESSIONAL EXPERIENCE CONTINUED
Brightgrove LTD | Full-Stack Developer / WordPress Developer
Sep 2018 - Oct 2020
• Optimised high-traffic WordPress platforms by redesigning ACF data storage, introducing custom database tables,
and improving SQL queries.
• Implemented Redis caching and server-side optimisations to improve responsiveness and reduce repeated
processing.
• Developed custom plugins, WooCommerce features, REST API integrations, scheduled jobs, and content migration
tools.
• Reviewed code, documented technical changes, and contributed to solution design.
BigDrop | Full-Stack Developer / WordPress Developer
Jun 2016 - Sep 2018
• Developed custom WordPress themes, plugins, widgets, and content structures for international websites.
• Built responsive interfaces and custom PHP/MySQL business logic, including WooCommerce and ACF functionality.
• Integrated Stripe, HubSpot, Google Maps, Mailchimp, Yelp, and social APIs; contributed to code review, debugging,
and performance optimisation.
DiamantWeb | WordPress Developer
Jun 2015 - Jun 2016
• Built custom WordPress themes and plugins, PHP data-processing logic, forms, database interactions, and
WooCommerce customisations.
• Extended ACF, WPML, Contact Form 7, and Gravity Forms for client-specific requirements.

SELECTED ENGINEERING WORK
Secure customer and support portals: Role-based access, account approval and expiration, custom login and
password reset flows, restricted administration, and scheduled account/session logic.
Data synchronisation and migration: Enterprise Drupal-to-WordPress migration and Oracle HCM vacancy
synchronisation, including structured content, user data, duplicate control, and search across content and metadata.
Interactive frontend development: Mapbox GL JS and Google Maps interfaces with custom markers, filters, map-
driven content, and interactive building/location experiences.
Payments and commerce: Stripe payment forms, WooCommerce checkout logic, fees and taxes, HPOS-compatible
development, and payment-related email workflows.
Testing and releases: GitHub Actions, PHPUnit, WordPress testing tools, linting, Docker development environments,
WP-CLI, and Pantheon deployments.

SELECTED WEBSITES
aitech.io | shieldeum.net | market.dovkolo.club | turtle.dk | simexdefence.com | tiger21.com |
lactationnetwork.com | samsungnext.com | apella.com | spectorgroup.com | rootsnaturalkitchen.com

EDUCATION AND LANGUAGES
Kharkiv National Medical University | Higher Education, Pediatrics | 2002-2008
Transitioned to software engineering in 2015.
English - B2 Upper-Intermediate | Ukrainian - Native | Russian - Fluent | Croatian - Basic

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