Volodymyr

VOLODYMYR YEFREMOV
SENIOR FULL-STACK PHP/JAVASCRIPT DEVELOPER | LARAVEL, VUE.JS

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Senior full-stack PHP and JavaScript Developer with 8 years of commercial experience in product-oriented
and high-load systems, having worked on 30+ projects across MVP, growth, and mature production stages.

Strong expertise in PHP 8+ and Laravel 8.x and 9.x, with confident use of OOP, design patterns, traits,
interfaces, and abstract classes, as well as hands-on experience with Eloquent ORM, RESTful API
development, Console Commands, Events, Queues, and background workers. Experienced with MySQL,
PostgreSQL, including master-slave replication, read-write splitting, query optimization, indexing, and
partitioning of large tables, and active use of Redis for caching, queues, session storage, and performance
optimization.

Frontend experience includes JavaScript ES6+ and Vue.js for development and maintenance of user-facing
interfaces. Familiar with modular architecture, Docker, CI pipelines, and deployment processes, with regular
involvement in refactoring legacy codebases, reducing technical debt, and writing unit and feature tests.

Built and led a team of 8 developers, participating in task planning, estimation, decomposition, and code
reviews.

TECH SKILLS
Backend: Laravel (5.3-12) - 8 years, PHP (5.4-8.3) - 8 years, Symfony 7 - learn
DBs: MySQL and PostgreSQL by ORM Eloquent - 8 years
Frontend: Vue.js 3 - 3+ years, JS - 5 years, Filament - 2 years, HTML5, CSS3, Tailwind, Alpine.js, Vite
Tools: GIT, Composer, Docker, PHPUnit
Misc: SQL, REST API, Swagger, Redis, web sockets Centrifugo
Work environment: PhpStorm, Linux terminal

PROFESSIONAL EXPERIENCE

Senior / Middle+ Full-Stack Developer; GetCode (USA product, ERP system)

Laravel · Vue 3 · ERP · PDFs · Legacy Refactoring october 2024 – June 2025
Delivered full-stack features for a production ERP system used by US customers, collaborating
closely with product and business teams
Migrated legacy UI components from jQuery to Vue 3, improving maintainability and reducing
frontend-related bugs
Implemented dynamic reports and complex PDF templates (invoices, exports, internal documents)
used by business operations
Refactored legacy Laravel code and database schemas, improving data consistency and simplifying
future feature development
Reduced defect turnaround time by systematically fixing production bugs and stabilizing critical
workflows
Tech: Laravel, Vue 3, MySQL, PDF generation, REST APIs
Middle+ Full-Stack Developer; HostZealot (Web Hosting Provider)

Laravel 9 · Vue 3 · CMS · Admin Panel · High-Load Systems June 2022 – April 2024
Led full-stack development of a new admin panel & CMS for a web hosting provider, replacing
legacy frontend architecture
Built a modern SPA frontend using Vue 3, Vue Router, Vuex, PrimeVue, integrated with a Laravel 9
API
Designed and implemented backend APIs (CRUDs, filters, integrations) supporting hosting services,
billing logic, and email delivery
Participated in database architecture redesign, aligning schemas with new CMS requirements and
frontend performance needs
Improved system maintainability and feature delivery speed by separating frontend/backend
responsibilities
Contributed to development and maintenance of the public website (hostzealot.com)

Impact highlights
Enabled faster feature rollout by replacing legacy UI with a component-based Vue 3 architecture
Reduced frontend complexity and improved UX consistency across admin workflows
Tech: Laravel 9, Vue 3, PrimeVue, MySQL, REST, External APIs

Middle Full-Stack Developer (Solo Developer); UkrAgroConsult (Agriculture Consulting)

Laravel · Vue.js · Performance Optimization · CRM July 2020 – March 2022
Sole developer responsible for full-stack development of a client portal and internal systems
Designed and implemented a new flexible product module, allowing dynamic combinations of
information packages (previously fixed)
Optimized a critical Vue.js page, reducing load time by ~10×, significantly improving user experience
for paying clients
Maintained and extended internal CRM functionality used by business and support teams
Refactored and debugged legacy Laravel codebase, improving stability and reducing recurring
issues
Designed and managed MySQL tables to support new business features

Impact highlights
Introduced flexible product packaging that unlocked new sales scenarios
Major frontend performance gains on key customer-facing pages
Tech: Laravel, Vue.js, MySQL, Performance Optimization

Junior+ PHP Developer; VIP-Deposits (Financial Services)

Laravel · CRM · Reporting · Legacy Code June 2019 – June 2020
Developed backend features for an online financial platform using Laravel
Built and extended user dashboards and internal CRM functionality
Implemented partner reporting features (partner structure, income reports) used by business
stakeholders
Refactored and debugged legacy PHP code, improving reliability of financial workflows
Improved UI/UX of user-facing sections with small frontend enhancements
Tech: Laravel, PHP, MySQL, HTML/CSS, JavaScript
Junior PHP Developer; GenioTeam (Software Development)

Laravel · Integrations · CRM · Performance June 2017 – June 2019
Developed backend features for the Shaya online education platform (CRM + student area)
Integrated Zoho CRM with third-party services (GetResponse, E-AutoPay, Zadarma)
Refactored and optimized legacy integrations, reducing execution time of critical CRM requests by
nearly an order of magnitude
Maintained and extended MySQL schemas for evolving business needs

Impact highlights
Significant performance improvements in external CRM integrations
Increased reliability of marketing and payment automation
Tech: Laravel, PHP, MySQL, REST APIs, CRM integrations

Software Manager / Web Administrator; Avers Advertising (Advertising & PR)

PHP · WordPress · Servers · Team Coordination October 2013 – May 2017
Maintained and administered company and client websites (mostly WordPress-based)
Developed custom PHP, JavaScript, and CSS solutions for client needs
Administered servers and databases
Coordinated freelancers (designers, developers): task breakdown, estimation, review, and approval
Selected CMS themes, plugins, and technical solutions per client requirements
Tech: PHP, WordPress, MySQL, JavaScript, CSS, Linux

Demo full-stack project:
https://demo-shop.segment.best/ - a little shop with a cart and discounts.
Code of it on Github: Front-end - Vue.js, Back-end - Laravel

EDUCATION and Courses
Building Database Applications in PHP - course at Coursera, finished in 2018
Udemy Vuej.s-2 the complete guide, finished in Feb 2020
Building Database Applications in PHP - course at Coursera, finished in 2018
Self-education (PHP, JS, MySQL, no SQL, CSS, etc.) - continuing
Project management course “Yours Start” - online, finished in 2013
Webmaster courses - 2010

LANGUAGES
English - able to read documents and communicate on general and technical themes, able to interview,
Ukrainian - fluent, Polish - beginner, Russian - native