Valentyn Moroz
VALENTYN MOROZ
WordPress / React / Firebase
Full-Stack Developer
Contact
@ morozvalentyn777@gmail.com
T +380 96 709 8073
L Vinnytsia, Ukraine
U Upwork Profile
G github.com/uaeconomclass
Tech Stack
Backend
Frontend
Integrations
DevOps
Automation
Languages
Ukrainian Native
English B2 Professional
Russian Native
Client Review
"Valentin is one of the few developers who actually understands the business logic behind the code. He fixes problems without breaking production and communicates clearly."
Profile

WordPress/WooCommerce Full-Stack Developer with 18+ years of professional experience. I specialize in custom plugins, headless architecture, WooCommerce extensions, Shopify apps, and API integrations. Strong focus on stabilizing legacy systems, post-migration cleanup, fixing production issues, and building solutions that fit existing business workflows. Consistent positive feedback from clients in USA and Europe.

18+
Years Experience
100%
Job Success
5.0
Rating
Key Projects
Networking Executives Platform (oak-tree.tech)
React | Vite | Firebase | Firestore | Tailwind CSS
Full-stack delivery across admin dashboard and user-facing platform: image/banner standards, partner logo sizing, event UI, responsive fixes, PR-based workflow, coordinated changes across shared modules.
Headless WordPress + Newsletter System
Headless CMS | REST API | SendGrid | Editorial Workflow
Built headless CMS for blog/news section with custom frontend, role-based access control, and SendGrid integration. Content team now works independently without developer involvement.
WooCommerce Voucher & Loyalty System
WooCommerce | Billbee API | VAT Handling | Production Fix
Custom gift certificate logic + billing integration. Fixed critical production bug in version comparison without downtime. Client preserved existing workflow.
AI-Powered Product Matching Plugin
OpenAI API | WordPress | Shopify | JSON Decision Engine
AI module for personalized clothing recommendations based on user parameters. Designed as SaaS-ready architecture with scalable multi-tenant support.
Work Experience
PHP / WordPress / React Developer Dec 2025 – Present
oak-tree.tech
  • WordPress plugin development: custom Gutenberg blocks, shortcode APIs, admin tooling, REST endpoints
  • React + Vite + Firebase/Firestore: admin dashboards, user-facing platforms, PR-based delivery workflow
  • WordPress production maintenance: CF7 integrations, CSS refactors, multi-site client support
  • Custom plugins for LibCal calendar embedding, VK Video block, and email export tooling
WordPress & Shopify Developer 2023 – 2025
Catecut | AI Fashion Tech
  • Built AI-powered WordPress plugin for personalized clothing recommendations using OpenAI API
  • Developed Shopify app with custom Liquid templates and GraphQL API integration
  • Implemented JSON-based decision engine for product matching algorithm
  • Created admin dashboard for managing AI parameters and analytics tracking
WordPress Developer 2020 - 2023
YellowFever LLC.
  • Delivered 30+ custom WordPress projects: themes, plugins, WooCommerce extensions
  • Built headless WordPress setups with React/Next.js frontends using REST API & GraphQL
  • Integrated payment gateways (Stripe, PayPal, WooPayments) with custom checkout flows
  • Connected third-party services: SendGrid, Twilio, CRMs (Salesforce, HubSpot, Zoho)
  • Production debugging, performance optimization, and safe refactoring of legacy codebases
  • Developed custom Gutenberg blocks and FSE (Full Site Editing) themes
WordPress Developer & Project Manager 2016 - 2020
APN Coders
  • Led remote team of 5 developers on enterprise WordPress and WooCommerce projects
  • Architected scalable e-commerce solutions handling 10K+ daily visitors
  • Managed project timelines, sprints, and deliverables using Agile methodology
  • Direct client communication in English (USA, EU, Australia) - requirements gathering, demos
  • Code review, mentoring junior developers, establishing coding standards
IT Specialist, 30th Mechanized Brigade 2014 - 2016
Armed Forces of Ukraine ATO Veteran

Ensured secure communications for tank battalion during Anti-Terrorist Operation.

WordPress Developer 2008 - 2014
Private Entrepreneur | Medical & Healthcare
  • Built custom appointment booking systems with SMS/email notifications
  • Developed patient portals with secure data handling and privacy compliance
  • Created network of 15+ medical websites with on-page SEO optimization
  • Implemented multilingual support and accessibility features (WCAG)
  • Managed hosting, SSL certificates, backups, and security updates
Education
Master of Science in Computer Engineering
Vinnytsia National Technical University
2008 | Thesis: Fingerprint Recognition Algorithm