Руслан

RUSLAN HREKOV
PHP BACKEND DEVELOPER | Symfony | SOA | JSON-RPC
Kyiv, Ukraine | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | github.com/grekovr

PROFESSIONAL SUMMARY

PHP backend developer with 19+ years of commercial software-development experience, including 17+ years in PHP. Build
PHP 8.4 / Symfony 7 microservices, JSON-RPC APIs and SDK contracts; investigate cross-service production issues across
data stores, queues and caches. Recent domain experience: logistics, commercial operations and CRM. Open to PHP
backend opportunities in product teams and complex integration domains.
CORE SKILLS

Backend: PHP 8.4, Symfony 7.2-7.4, Service-Oriented Architecture, JSON-RPC, REST, SOAP Data & messaging: MySQL,
MongoDB, Redis, RabbitMQ, Pub/Sub, PostgreSQL, MS SQL Server Delivery: Docker, Kubernetes, Jenkins, GitHub, GitLab,
Composer, GuzzleHTTP Practices: DDD, CQRS, API integration, generated SDK contracts, async processing, SQL design and
optimization

PROFESSIONAL EXPERIENCE

ALCOLINE | Middle PHP Developer
May 2026 - Present | Kyiv, Ukraine
Project: TradeMaster - B2B platform for commercial operations and sales-team management
Develop and maintain PHP 8.4 / Symfony 7.2-7.4 microservices in a Service-Oriented Architecture.
Design and support JSON-RPC APIs and generated SDK contracts; resolve cross-service integration issues.
Evolve workflows for markets, routes, contracts, tasks, plans, shipments and KPI reporting.
Diagnose production issues across MySQL, MongoDB, Redis, RabbitMQ, caches, queues and asynchronous processing.
Work with Docker, GitHub-hosted projects, Jenkins production deployments and Kubernetes environments.
Nova Digital | Senior PHP Developer
August 2022 - February 2026 | Kyiv, Ukraine
Product: Nova Poshta CRM - international logistics and customs workflows
Developed PHP 8.2 features and RPC APIs for CRM workflows supporting international shipments.
Delivered International Express Waybill functionality: operator workplace support, service constructor, import flows, customs
brokerage operations and declarations.
Implemented internal IEW cost calculation using Nova Poshta pricing models, replacing an external calculation service.
Built recipient and sender call flows for ExpressWaybill via Asterisk and integrated NovaPay card payments for mobile and web
channels.
Developed external API clients with GuzzleHTTP; worked with MySQL 8.0, Docker, GitLab and Pub/Sub.
.logicsystems | PHP Developer
July 2008 - March 2022
Built PHP 5-7 web applications and REST/SOAP integrations for payments, fiscal receipt printing, vending-machine monitoring
and data extraction.
Designed database structures and optimized queries across MySQL, MS SQL Server and PostgreSQL; developed scraping
services with GuzzleHTTP.

ADDITIONAL EXPERIENCE | 19+ YEARS IN SOFTWARE DEVELOPMENT

PHP Developer, ISIGroup (2008) | Software Developer, Freelance (2007-2008) | Software Developer, Donetsk National
Technical University (2000)
EDUCATION & LANGUAGES

Education: BS, Information Technologies and Control Systems - Donetsk National Technical University, 2002
Languages: Ukrainian - native; Russian - native; English - A2 (Pre-Intermediate)

Ruslan Hrekov | PHP Backend Developer