Олена

WordPress & WooCommerce Developer​
Varna, Bulgaria (Remote, Independent Contractor)​
Olena Polonska
Email: [открыть контакты](см. выше в блоке «контактная информация») | WhatsApp: [открыть контакты](см. выше в блоке «контактная информация») | LinkedIn | GitHub

SUMMARY
WordPress & WooCommerce Developer with 10+ years of experience. Custom plugin and child theme
development, REST API integrations, proactive refactoring and maintaining legacy codebases where
documentation is missing, CRM integrations (Groundhogg), workflow automation, building maintainable
backend logic. Operate with an "agency-of-one" mindset, successfully managing multiple concurrent client
pipelines. Thrive in structured, asynchronous remote environments with a focus on deep technical
execution, comprehensive auditing, and clear documentation.

TECHNICAL SKILLS
●​ Backend & Architecture: Advanced PHP (OOP), MySQL, REST API, System Refactoring.
●​ WordPress Ecosystem: Custom Plugin & Theme Development, WordPress Multisite (Network),
WooCommerce, ACF Pro, WP-CLI, Gutenberg, Elementor Pro, Oxygen, Tatsu.
●​ Performance Optimization: Google PageSpeed Insights, Lighthouse
●​ AI-Driven Engineering: Gemini CLI, Google Antigravity
●​ Integrations & Tools: Third-party API Integrations (CRM, Payment Gateways), Asynchronous Workflows,
Technical Documentation, Version Control (Git), CI/CD.
●​ Methodologies & Management: Concurrent Project Delivery, Time Estimation & Allocation, Scope
Management, Independent Troubleshooting.

PROFESSIONAL EXPERIENCE

WordPress Developer | Freelance / Project-based. Remote April 2021 — Present
Acted as an independent contractor, concurrently managing technical execution, resource allocation, and
project lifecycles for multiple global clients ranging from boutique brands to enterprise-level platforms.

●​ Project: Technical Auditing & Enterprise Support (SECL Group, Ukraine)
○​ Conducted comprehensive technical audits for Swiss enterprise WordPress websites, covering plugin
security, update compliance, core optimization, SEO, and Accessibility (WCAG).
●​ Project: E-commerce Ecosystem Engineering (Liel Albums, Israel)
○​ Architected a modular extension for a complex WooCommerce product environment, implementing a
"Single Source of Truth" for 20+ intricate products with cross-template dependencies. Reduced manual
maintenance and error probability by 80% through a centralized, component-based architecture.
●​ Project: Architectural Consolidation & Maintenance (ComeBack Mobility, Ukraine/USA)
○​ Proactively audited the multi-page website architecture and identified significant maintenance overhead
and plugin bloat caused by a fragmented page-builder setup (Tatsu and Elementor running
simultaneously). Proposed and executed a full migration and refactoring of Elementor-based pages into
Tatsu, unifying the design system and significantly reducing technical debt.
●​ Project: Custom Booking & Payment Integration (Regina Bed & Wine, Bulgaria)
○​ Developed a custom add-on for the Hotel Booking Light plugin to enable backend reservation creation.
○​ Integrated WooCommerce with a specialized local banking gateway, ensuring seamless synchronization
between the booking engine and payment processing.
●​
●​ Project: High-Scale Custom Database & Search Engine (LipesDatabase)
○​ Architected and optimized a custom genealogical database platform handling 1.6M+ historical records
with complex, multi-variable relationships.
○​ Designed a custom MySQL storage structure to bypass the standard wp_posts and wp_postmeta
bottleneck, preventing database bloat and ensuring platform stability under heavy data loads.
○​ Developed a proprietary multi-conditional search engine supporting strict and optional filters
(surname, gubernia, document type, year) with custom indexing strategies.
●​ Project: CRM Infrastructure & Marketing Automation (Medlink Students, UK/Bulgaria)
○​ CRM & Data Engineering: Proactively audited and refactored a massive Groundhogg CRM
infrastructure (1500+ custom fields, 700+ workflows), leveraging AI-driven engineering (Google
Antigravity) (See LinkedIn Technical Breakdown).
○​ Event-Driven Automation: Designed a proprietary scheduling engine using Action Scheduler to
manage global virtual meeting triggers, reducing administrative overhead by 95% while maintaining strict
backward compatibility (See LinkedIn Technical Breakdown).
○​ Legacy Modernization & Documentation: Systematically modernized legacy codebases using design
patterns and authored comprehensive internal guides to bridge the gap between engineering and
non-technical stakeholders, making systems "human-readable" (See LinkedIn Technical Breakdown).
●​ Project: Membership Platform Engineering (Frida Art Community, Bulgaria)
○​ Architected a membership-driven portal for artists, implementing custom frontend submission workflows
and a multi-tier user role management system.

WordPress Developer | Freelance / Project-based. Remote January 2019 — August 2021
●​ WooCommerce Plugin Development & Optimization (BeRocket): Contributed to the feature
development and performance tuning of high-traffic WooCommerce plugins.

Web Developer / Technical Specialist (Ukraine). May 2016 — December 2018
●​ Foundation Years: Focused on mastering the WordPress ecosystem, custom theme development, and
transitioning legacy websites to modern CMS architectures (e.g., IVT Company).
●​ Technical Translation & Communication: Leveraged background in CS literature translation to provide
high-quality documentation and clear communication within development teams.

OPEN SOURCE PROJECTS
Open Source Contribution: GTranslate Custom Translation Bridge
●​ Developed a lightweight, dependency-free WordPress plugin to provide manual translation overrides for the
GTranslate free version.
●​ Implemented a custom AJAX-powered repeater UI (replacing the need for ACF Pro) and utilized
MutationObserver for real-time frontend DOM updates.
●​ Focused on security (Nonces, Sanitization) and high performance to maintain Core Web Vitals compliance.

EDUCATION
●​ Master of Engineering (MEng) with High Honors Kyiv Polytechnic Institute (NTUU "KPI")
●​ Advanced Software Development Program DevClub Training Center Focus: Algorithms, Data Structures,
and Clean Code Principles.

LANGUAGES
English: Upper-Intermediate (B2) | Ukrainian: Native | Russian: Native