Andrii

Hi, i’m Ukraine, Chernivtsi

Andrii Bilyk Phone: [open contact info](look above in the "contact info" section) | Tg: @ghhhfgg | Email: [open contact info](look above in the "contact info" section)

Technology stack Experience

WordPress Core APIs, Hooks, Software Engineer - Your R&D (remote) - Jun 2024 - Sep 2026
CPT, Taxonomies, WP_Query Owned the architecture and end-to-end delivery of high-traffic WordPress
and Laravel platforms across e-commerce, content, SaaS and marketing
Custom Themes and Plugins, ACF domains.
Pro, WooCommerce Architected custom WordPress themes, plugins and Gutenberg blocks
using PHP 8, OOP, namespaces, PSR standards, Composer, ACF Pro
Gutenberg, React/JSX, and React/JSX.
block.json, @wordpress/scripts Designed reusable block libraries and development tooling with
block.json, @wordpress/scripts and modern JavaScript, accelerating
feature delivery across multiple projects.
PHP 8, OOP, Namespaces, PSR,
Built complex content models using custom post types, taxonomies and
Composer metadata APIs, as well as custom REST endpoints and third-party
integrations.
REST API, custom WordPress Led the modernization of legacy WordPress codebases, improving
endpoints architecture, maintainability, WP_Query and SQL performance, object
caching and Core Web Vitals.
Sanitization, escaping, nonces, Applied WordPress security best practices, including input validation,
capabilities sanitization, escaping, nonces, capability checks and secure API
authentication.
Object caching, query Developed Laravel services for complex business workflows, Webhooks
optimization, Core Web Vitals and integrations, including asynchronous processing with RabbitMQ,
Redis and background workers.
JavaScript ES6+, Webpack/Vite, Supported multilingual and e-commerce functionality using
WooCommerce, WPML/Polylang, analytics integrations and
Sass/PostCSS Schema.org/JSON-LD structured data.
Maintained engineering quality through code reviews, architectural
WPML/Polylang, Multisite, documentation, automated testing, static analysis and Git-based CI/CD
Technical SEO workflows.
Collaborated with product, frontend, SEO, content and QA teams,
PHPUnit, PHPStan, translating business requirements into scalable technical solutions.
PHPCS/WPCS, Git, CI/CD

Full-Stack Developer - GabSoft (Chernivtsi) - Nov 2022 - Mar 2024
Developed a B2B logistics platform using Laravel, WordPress, Vue.js,
JavaScript.
Built Vue.js SPA components, reactive interfaces, AJAX/Fetch
integrations and adaptive UI.
Education Developed an e-commerce fraud-risk platform using event-driven
architecture, DTOs and modular backend services.
Dec 2021 - Dec 2023
Designed REST API endpoints, external integrations, admin functionality,
invoicing and address-book modules.
Master’s degree, Computer
Worked with SQL query optimization, database indexes and
Science - Chernivtsi National transactions.
University
Used Grafana and Prometheus for troubleshooting application services.
Developed a SaaS website builder with WYSIWYG / drag-and-drop
functionality, HTML generation and automated deployment.
Language
English (B2)
WordPress Developer - Freelance (Remote) - Mar 2021 - May 2022
Developed custom PHP/JavaScript websites and e-commerce solutions
Ukrainian (Native) using WordPress, WooCommerce and ACF.
Built custom themes, SPA-like interfaces and REST API integrations.
Worked with technical SEO, structured markup and performance
optimization.

Achievements
All Ukrainian students scientific competition (2 place) - trading
system based on LSTM algorithm, which make correction for crypto
trading actions (based on MA\EMA indicator).