Михайло

Marchak Mykhailo

Lutsk, Ukraine | [открыть контакты](см. выше в блоке «контактная информация») | [открыть контакты](см. выше в блоке «контактная информация») | Linkedin | Github

Summary

WordPress Developer with 6+ years of commercial experience, specializing in custom
themes and plugins, WooCommerce, ACF-based architectures, REST API integrations,
and performance optimization. Experienced in maintaining and scaling client websites and
taking ownership of projects from scratch to production.

Experience

Backend Developer, Fulltime, Upqode | March 2026 - May 2026
●​ Designed and developed custom REST API routes to extend core platform
functionality.
●​ Implemented complex API integrations with third-party CRM and HRM platforms
(including Salesforce and Jobadder).
●​ Maintained and refactored legacy codebases for enterprise-level client projects to
improve performance and stability.
●​ Collaborated with SEO specialists to execute technical audits, optimizing site
architecture and core web vitals based on analytics tool reports.

Fullstack Developer, Fulltime, IT Monks | June 2025 - February 2026
●​ Delivered a full-cycle WordPress project from scratch, managing everything from
setup to production deployment.
●​ Maintained and supported multiple client WordPress websites, ensuring timely bug
fixes, security patches, and performance updates.
●​ Worked directly with clients to clarify technical requirements and provide ongoing
high-level support.
●​ Architected solutions using a modern WordPress stack, including ACF Flexible
Content, Gutenberg, and REST API.
●​ Explored and applied WP Interactivity API and React fundamentals to build dynamic
features within the WordPress ecosystem.
Team Lead, Part Time, Freelance | August 2024 - June 2025
●​ Led the development of a complex freelance marketplace platform built on
WordPress.
●​ Managed a distributed international team of 3 developers, ensuring smooth
collaboration and alignment.
●​ Defined technical architecture, delegated features, conducted thorough code
reviews, and managed timelines.
●​ Took full ownership of final product delivery, ensuring high-quality standards and
deployment readiness.

Backend Developer, Ninesquares | May 2020 - June 2025
●​ Engineering Leadership: Promoted to take on leadership responsibilities, including
mentoring junior developers, conducting code reviews, and optimizing team
development workflows.
●​ E-commerce & Crisis Management (Sushijo): Successfully took over and
stabilized an unfinished WooCommerce-based e-commerce ecosystem for a sushi
restaurant chain under pressure; built a custom checkout system, multi-location
pickup logistics, and POS integrations (Poster), scaling the platform to 100+ daily
orders and over 1M CZK in monthly revenue.
●​ Legacy Migration & Block Development (Opendoors): Led the migration of
complex, undocumented legacy websites for international organizations into modern
Gutenberg-based environments; developed custom interactive Gutenberg blocks, a
dynamic prayer generator, and maintained strict SEO integrity.
●​ API & CRM Integrations: Designed and developed secure custom REST API routes
to seamlessly integrate WordPress/WooCommerce platforms with external enterprise
systems, including a full-scale API integration with OneBox CRM.
●​ Platform Security & Optimization: Implemented robust security measures (SQL
injection prevention, nonces) and performed deep technical audits to optimize
website speed, significantly improving Core Web Vitals across various online stores,
LMS (Moodle), and CMS (Joomla, WordPress) platforms.

Frontend Developer, Ninesquares | August 2019 - May 2020
●​ Created responsive, pixel-perfect, and cross-browser compatible web pages using
HTML, CSS (SCSS), JavaScript, and jQuery.
●​ Collaborated closely with designers and backend engineers to translate UI/UX
wireframes into functional frontend code while ensuring basic SEO compatibility and
resolving client-side bugs.
​
Education

September 2019 - July 2023 — Lutsk National Technical University, Applied Linguistics
September 2023 - December 2024 — Lutsk National Technical University, Software
Engineering

Technical Skills:

●​ Languages: HTML, CSS (SCSS), JavaScript, PHP, SQL;
●​ Frameworks: jQuery, React, Laravel, Symfony, Tailwind;
●​ Tools: Git, GitLab, Jira, Trello, Confluence, Active Collab;
●​ CMS: WordPress, Joomla, Moodle;
●​ APIs: REST, CRM Integrations (OneBox)
●​ Plugins: ACF, WooCommerce, Gutenberg, Polylang / WPML.

Languages:
●​ English: B2;
●​ German: A2.

Soft Skills:

●​ Communication;
●​ Problem Solving;
●​ Creativity;
●​ Research;
●​ Responsibility.

Portfolio

●​ https://clhdesignpa.com - full-cycle WordPress project, custom theme, ACF-based
layout, performance optimization.
●​ https://sushijo.cz/ - API integration, sophisticated checkout, Rest API development;
 ●​ https://azi.ua/ - Migration from Prestashop, impressive bonuses and gifts system;
●​ https://bogika.com.ua/ - backend, integration with Google Drive and Google
Analytics;
●​ https://shypelyk.com/ - long term project support and development of new features;
●​ https://yapposushi.com/
●​ https://yclub.io/
●​ https://laguna-bassein.com.ua/
●​ https://usualclth.com/

Hobby

Cycling, guitar playing, investing