Владислав

Vladyslav Dashenko
Full-Stack PHP Developer
@ [open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) https://t.me/vladius_I kerbyk.com.ua

SUMMARY

Full-stack PHP developer with 5+ years of commercial experience building custom web applications, e-commerce solutions and API-
driven platforms. Strong focus on PHP 8, Laravel, WordPress, WooCommerce, MySQL and REST APIs. Experienced in
authentication systems, payment integrations, multilingual platforms, real-time communication and production support.

EXPERIENCE

Senior Full-Stack PHP Developer
Sponge — Software Development Company
05/2025 - 07/2026
Worked as a full-cycle developer on the design, development and maintenance of the company's web, mobile and infrastructure
products. Involved in all stages of the development lifecycle, from requirements analysis and UI implementation to backend
architecture, third-party integrations, deployment and production support.
Stack: PHP 8, Vanilla PHP, WordPress, WooCommerce, MySQL/MariaDB, JavaScript, REST API, Keycloak/OAuth 2.0, Matrix Synapse/
WebRTC, Jitsi Meet/Coturn
• Developed web applications using clean PHP, custom architecture and WordPress.
• Integrated OpenAI, Claude and Gemini APIs for automation, translation and content-processing workflows, with optimized prompts
and token usage.
• Built backend modules, routing, controllers, services and database layers.
• Designed and maintained REST APIs for web, mobile and desktop clients.
• Created custom WordPress plugins, MU plugins and WooCommerce functionality.
• Migrated legacy WordPress systems to custom PHP applications.
• Developed admin panels, user roles and business workflows.
• Integrated authentication, payments and third-party services.
• Implemented multilingual functionality, chats and video communication.
• Refactored legacy PHP code and improved application stability.
• Diagnosed production issues and maintained Linux-based infrastructure.

Full-Stack PHP Developer
Freelancer
11/2020 - 05/2025
Development and support of commercial web projects, including e-commerce platforms, corporate websites, custom services and
administration systems.
Stack: PHP 8, Laravel, Clean PHP, WordPress, WooCommerce, Vue.js, JavaScript, MySQL, REST API, HTML5, CSS3, Linux, Nginx, Git
• Developed web applications using PHP, Laravel and clean PHP architecture.
• Built backend modules, REST APIs and database structures.
• Developed interactive interfaces and dashboards using Vue.js.
• Created custom WordPress themes, plugins and MU plugins.
• Extended WooCommerce products, checkout, pricing and orders.
• Integrated payment gateways, CRM systems and third-party APIs.
• Developed multilingual websites and custom admin panels.
• Migrated, optimized and refactored legacy PHP projects.
• Improved website performance, SEO and mobile responsiveness.
• Deployed projects and resolved production and server issues.

SKILLS

CMS & E-commerce Real-Time Communication
WordPress, WooCommerce, BuddyBoss, Elementor, Custom Matrix Synapse, WebRTC, Jitsi Meet, Coturn, Real-Time Chat,
Themes, Plugins, MU Plugins Audio/Video Calls

1/2
Frontend Integrations
JavaScript, Vue.js, HTML5, CSS3, Responsive Design, AJAX Payment Gateways, Revolut API, Third-Party APIs, Webhooks,
HMAC Authentication
Databases
MySQL, MariaDB, Database Design, SQL, Migrations, Query Infrastructure
Optimization Linux, Nginx, SSL, VPS Administration, Deployment, Server Logs

AI & LLM Tools
OpenAI API, Anthropic Claude API, Google Gemini API, Prompt Git, GitHub, Postman, phpMyAdmin, Chrome DevTools
Engineering, Token & Context Optimization, Structured Outputs, AI-
Assisted Development
Additional
Multilingual Systems, Data Migration, Legacy Code Refactoring,
Authentication Performance Optimization, Debugging, Production Support
Keycloak, OAuth 2.0, OpenID Connect, PKCE, JWT, SSO, Role-
Based Access Control

PROJECTS

DOM Platform
11/2025 - 07/2026
Developed and evolved a church-focused social and communication platform, initially built on WordPress and later migrated to a
standalone PHP application.
Stack: WordPress, PHP 8, JavaScript, MySQL, REST API, Flutter, Keycloak, OAuth 2.0, PKCE, Matrix Synapse, WebRTC, Coturn, Jitsi
Meet, Docker, Nginx
• Developed custom WordPress functionality for profiles, social features, events, mentorship and sacrament booking, including
roles, statuses and business logic.
• Built custom plugins, MU-plugins, templates, AJAX handlers and WordPress REST endpoints.
• Created a dedicated clergy dashboard for managing sacraments, events, users and verification requests.
• Integrated WordPress with Chakloon API, Keycloak, Matrix and Jitsi Meet.
• Implemented profile, avatar and identity synchronization across multiple systems.
• Developed REST APIs for web and mobile clients.
• Implemented Keycloak SSO using OAuth 2.0 Authorization Code Flow with PKCE.
• Built Matrix-based messaging and WebRTC calls with presence, routing, status synchronization and call history.
• Integrated Jitsi Meet for group meetings and online events.
• Resolved duplicate rooms, race conditions, media initialization and call termination issues.
• Implemented multilingual support, translation import/export and user-specific time zones.
• Migrated core functionality from WordPress to standalone PHP while preserving users, data and production workflows.

Chakloon Ecosystem
06/2025 - 04/2026
Designed and developed a standalone social ecosystem that combines a custom social network, centralized identity management,
responsive UI components and a multilingual translation service.
Stack: PHP 8.1+, MySQL, PDO, JavaScript, HTML, CSS, REST API, Keycloak, OAuth 2.0, OpenID Connect, PKCE, AWS S3, JSON
• Designed modular application architecture using Controllers, Services, Repositories and custom routing.
• Developed social features including feeds, profiles, following, search, posts, likes, comments, replies and reposts.
• Implemented image and video publishing with AWS S3 uploads, media galleries and link previews.
• Built responsive Chakloon UI for desktop and mobile devices.
• Developed reusable interface components for navigation, profiles, feeds, forms, modals and authentication pages.
• Integrated centralized authentication and user management through Keycloak and Chakloon ID.
• Implemented profile, avatar, locale, timezone, session, password and two-factor authentication management.
• Developed Chakloon Translator for centralized management of translation keys and language dictionaries.
• Implemented translation import, export, automatic translation, manual verification and fallback logic.
• Created REST APIs for web, mobile and external application integrations.
• Implemented CSRF protection, Bearer authentication, hashed API tokens and role-based access control.

Buro — Website, Client Portal & Native CRM
01/2025 - 04/2025
Designed and developed a complete WordPress-based platform that combines a corporate website, protected client portal and
custom internal CRM. Created the project's UI/UX, responsive frontend, backend logic, database architecture and application-
processing workflows from scratch.

2/2
Stack: PHP 8, WordPress, MySQL, JavaScript, AJAX, REST API, HTML5, CSS3, Elementor, Custom Plugins
• Designed the complete UI/UX for the website, client portal and CRM.
• Built responsive public and protected user interfaces.
• Developed a custom WordPress CRM for managing clients and applications.
• Designed custom database tables and CRM data relationships.
• Integrated website forms directly with the internal CRM.
• Implemented asynchronous application processing using AJAX.
• Added authentication, roles, permissions, validation and error handling.
• Migrated and stabilized the project in a new production environment.

EDUCATION

Bachelor's Degree in Computer Science
Sumy State University
09/2018 - 06/2022 Sumy, Ukraine

Master's Degree in Electronic Communications
Sumy State University
09/2022 - 01/2024 Sumy, Ukraine

Bachelor's Degree in Marketing
Sumy National Agrarian University
09/2024 - 06/2026 Sumy, Ukraine

LANGUAGES

Ukrainian Native English Intermediate

3/2