Андрій

ANDRII LOMAKIN
SENIOR PHP DEVELOPER (BACKEND)

Backend developer with 6+ years of experience in the PHP ecosystem, primarily Symfony, with
additional hands-on Laravel experience. Strong background in API design, third-party API
integrations, and backend development in distributed environments. Comfortable owning a
feature end-to-end — from backend and database design to admin-facing interfaces. Actively
integrates AI tooling (Claude Code, Codex) into the daily workflow, including custom
CONTACT
skills/commands and code-review flows.
Lviv, Ukraine
[відкрити контакти](див. вище в блоці «контактна інформація») EXPERIENCE
[відкрити контакти](див. вище в блоці «контактна інформація»)
Senior PHP Developer
LANGUAGES July 2023 — Present
Company name withheld (NDA) — product company
Ukrainian — Native
English — Upper-Intermediate • Backend development and maintenance on Symfony 7+ as part of a product team
• Designed and built REST APIs and third-party API integrations
CORE STACK
• Worked with asynchronous message processing using RabbitMQ and Symfony Messenger
PHP 8+, Symfony 4–7 (primary), Laravel • Used Redis for caching
8–9
• Worked with Docker and Kubernetes (Lens/k9s) for deployment and diagnostics
TECHNICAL SKILLS
• Full test coverage of own functionality (PHPUnit, Codeception); adherence to code quality
standards (PHPCS, Psalm, PHPMD)
Languages & Frameworks
• Code review, error monitoring (ELK, Sentry), incident investigation
PHP 8+, Symfony 4–7, Laravel 8–9
• Deployment to staging/production via GitLab CI/CD
Databases
• Onboarding of new team members and knowledge sharing
MySQL, Doctrine ORM, Eloquent ORM
• Cross-team collaboration (QA, management, frontend); participation in Scrum ceremonies
Infrastructure
• Hands-on experience with AI-assisted development (Claude Code, Codex): subagents, context
Docker, Kubernetes (Lens/k9s), RabbitMQ,
Redis, GitLab CI/CD management, custom skills and commands, code-review workflows, token-usage optimization
TECH PHP 8+, Symfony 7+, MySQL, Doctrine ORM, RabbitMQ, Redis, Docker, Kubernetes/Lens/k9s, GitLab
Testing & Code Quality
CI/CD, PHPUnit, Codeception, Psalm/PHPCS/PHPMD, Monolog, JMS Serializer, Sentry, ELK, Guzzle
PHPUnit, Codeception, Psalm, PHPCS,
PHPMD, Mockery
PHP Developer → Senior PHP Developer
Symfony Bundles January 2020 — June 2023
FOSRestBundle, EasyAdminBundle, JMS EVNE Developers — outsourcing company; staffed across concurrent client projects
Serializer, JWT Token / JWT Refresh Token
Bundle, Snappy Bundle, LiipImagineBundle, Fintech web application — tax calculation domain
Monolog January 2020 — June 2023
Laravel Packages Role: PHP (Symfony) Developer
Laravel Scout, Laravel Shift, Laravel Echo • Full-stack development: backend on Symfony 4+ and frontend on Twig/Symfony Webpack
Server, Laravel Multitenancy Encore
Architectural Concepts • Built a REST API on top of the existing web application with JWT authentication (access +
OOP, SOLID, REST API, microservice refresh tokens), documented via Swagger
architecture, DDD-inspired domain modeling,
CQRS-style command-based communication,
• Implemented the business logic for tax calculations
message-driven/asynchronous processing • Integrated a third-party payment provider (sandbox and live), webhook handling for
Monitoring & Tools
transaction finalization
Sentry, ELK, Grafana (basic level), Swagger, • Integrated Mailchimp API for user communication and email campaigns
Postman, Git, PhpStorm • Integrated Google API (address autocomplete on the frontend)
AI Tooling • Generated PDFs from HTML templates (Snappy bundle + wkhtmltopdf), generated CSV reports
Claude Code / Codex — subagents, context • Implemented file/image uploads (Dropzone.js), bulk data uploads from CSV, ZIP export of files
management, rule/instruction organization,
custom skills and commands, code-review • Built admin pages with statistics and user management (Datatables.js)
workflows, token-usage optimization • Implemented site localization (i18n, dynamic translations)
• Responsive layout (desktop/tablet/mobile), page redesigns
EDUCATION
• PHP version migrations, deployment to staging/production environments
Master's Degree TECH PHP, Symfony 4+, Doctrine ORM, MySQL, Twig, Symfony Webpack Encore, FOSRestBundle, JWT
Central National Technical University (+refresh) bundle, Snappy bundle, LiipImagineBundle, jQuery/Ajax, SCSS, Dropzone.js, Datatables.js, payment
2009 — 2014 provider API, Mailchimp API, Google API, Swagger
Postgraduate Studies
Central National Technical University
2016 — 2017

Time Tracker — web application for time tracking
October 2021 — June 2022 (concurrent)
Role: PHP (Laravel) Developer
• Developed backend REST API (first project on Laravel); frontend was built by another
developer on React
• Worked with Eloquent ORM: complex join queries for analytical data, configured model
relationships
• Set up Laravel Echo Server (Socket.io) for real-time communication; modified the service to
handle connection drops between client and server
• Implemented role-based access (admin role could view statistics and charts across users)
• Covered functionality with tests
TECH PHP, Laravel, Eloquent ORM, MySQL, Laravel Echo Server, WebSockets

Conversational AI Software: Chatbots
October 2022 — June 2023 (concurrent, outstaff team)
Role: Senior PHP Developer
• Developed REST API endpoints for the analytics module, covered with tests
• Implemented fast search using Laravel Scout; extended the Scout DB driver to benchmark
search performance (with and without full-text indexes) on datasets of 1M+ records
• Worked with MySQL: indexes, full-text indexes, JSON data types, virtual/generated columns,
common table expressions (CTE) for tree-like structures
• Upgraded Laravel 8 → 9 using the Laravel Shift package
• Sprint-based task planning (Jira)
TECH PHP, Laravel, Laravel Scout, Laravel Shift, Eloquent ORM, MySQL, Docker, Swagger, Mockery

Freelance Projects
Symfony projects for clients outside primary employment: Citrus service, avesauto.ua — bug fixes,
feature enhancements, deployment.