Дмитро

Chub Dmytro PHP (Symfony) Developer

CONTACT Phone: [открыть контакты](см. выше в блоке «контактная информация») LinkedIn Profile
Email: [открыть контакты](см. выше в блоке «контактная информация») Location: Ukraine

SUMMARY Backend developer with 5+ years of experience in PHP/Symfony. Proven track record
of designing REST/RPC APIs, integrating third-party services, and processing high-
volume datasets (10M+ records). Led a full platform migration from Magento to
Symfony. Applies SOLID, DDD, Event-Driven Architecture, and classic design
patterns. Work across the full feature lifecycle: technical investigation, consulting
developers and QA, reviewing test cases, and delivering business requirements end-
to-end. Actively use AI-assisted development tools (Claude Code) to boost
productivity and code quality.

TECHNICAL Tech stack:
SKILLS PHP, Symfony, Magento, MySQL, Redis, RabbitMQ, Elasticsearch, OpenSearch, Docker,
AWS, OpenAPI, SOAP, Doctrine ORM, PHPUnit, Postman, Imagick, avifenc, JavaScript,
Facebook Conversation API, Snapchat Conversation API, Facebook Feed API, Google
Merchant Feed API, Instagram API, Zendesk API, ZigZag API, Klaviyo API, Recommend
API, Cloudinary API

Principles & Patterns:
SOLID, DRY, KISS, DI, DDD, Event-Driven Architecture, Service Layer, Repository, DTO,
Factory, View Model

AI Tools:
Claude Code - use for code generation, refactoring, and technical investigation

PROFESSIONAL Symfony Backend Developer | March 2021 — Present
EXPERIENCE RONIS

TECHNOLOGIES PHP, Symfony, MySQL, Redis, RabbitMQ, Elasticsearch, OpenSearch, Docker, AWS,
OpenAPI, SOAP, Doctrine ORM, PHPUnit, Postman, Imagick, avifenc, JavaScript,
Facebook Conversation API, Snapchat Conversation API, Facebook Feed API, Google
Merchant Feed API, Instagram API, Zendesk API, ZigZag API, Klaviyo API, Recommend
API, Cloudinary API

ABOUT THE A large-scale e-commerce platform specializing in premium children's clothing,
PROJECT footwear, and accessories, serving thousands of customers worldwide. The platform
supports delivery to multiple countries and localization into several languages,
providing a seamless shopping experience for an international audience. It features
advanced product search and filtering, personalized recommendations, and
integrations with major social media and marketing tools. The system is built to
handle high-traffic loads and supports complex catalog management, order
processing, and automated customer communication workflows.
RESPONSIBILITIES
Led full rewrite from Magento to Symfony — product sync speed improved 5x
after migration
Designed and implemented a custom API (OpenAPI alternative) with auto-
generated documentation (Swagger alternative)

Designed and implemented a custom JSON-RPC API (OpenAPI alternative) with
auto-generated documentation (Swagger alternative)
Integrated external services via SOAP API & OpenAPI
Developed a cross-platform API (Web / iOS / Android) with client-adaptive
response logic, dynamically adjusting payloads based on the requesting client
type, with primary focus on mobile applications
Developed backend-driven in-app routing, delivering server-side route configs to
dynamically resolve native and non-native screens on iOS & Android
Boosted conversion rate through integrations with Klaviyo, Recommend, Google /
Facebook / Pinterest product feeds
Integrated marketing automation services Klaviyo and Recommend with
synchronization of 10M+ records
Implemented delivery tracking integrations: StarLink, DHL and others
Server-side conversion tracking via Snapchat Conversions API and Meta
Conversions API
Integrated ZigZag API for product returns processing
Custom UGC content aggregation pipeline from Facebook and Instagram
Zero-downtime deployments: persistent background workers and RabbitMQ
queue consumers surviving deploy cycles
Performance tuning: e.g. resolved memory leak in translation processing for 3M+
records, eliminated excess Doctrine ORM queries caused by OneToOne
associations
Applied Event-Driven Architecture and design patterns: Service Layer, Repository,
DTO, Factory, View Model
Wrote unit tests (PHPUnit); API testing with Postman

TECHNOLOGIES PHP, Magento, MySQL, Docker, AWS, JavaScript, Klaviyo

ABOUT THE Two interconnected e-commerce platforms built on a shared Magento
PROJECT infrastructure, both serving the premium interior design market. The first is a large-
scale online retailer with a catalogue of 70,000+ SKUs from 100+ designer brands,
supporting B2C and B2B customers with advanced product search, a made-to-
measure configurator, and international shipping. The second is a dedicated online
store for a heritage brand with a history dating back to the 19th century, offering
authentic fabric and wallpaper collections inspired by iconic archival designs. Both
platforms are deployed on AWS, integrated with Klaviyo for marketing automation,
and optimized for high availability, performance, and multi-region scalability.

RESPONSIBILITIES Integrated Klaviyo marketing automation platform, enabling personalized email
campaigns, customer segmentation, and automated communication workflows
based on user behavior and purchase history
Integrated Avalara AvaTax for automated real-time tax calculation across multiple
jurisdictions, ensuring compliance with international tax regulations
RESPONSIBILITIES Implemented product recommendation panel functionality, enhancing cross-
sell and upsell capabilities to improve average order value and customer
engagement
Developed a quick buy feature on the Product Listing Page (PLP) via a popup
modal, allowing users to add items to cart and proceed to checkout without
navigating to the Product Detail Page
Investigated and resolved bugs across the platform, ensuring stability,
performance, and a seamless shopping experience for end users

PROFESSIONAL Junior PHP Developer | July 2020 — March 2021
EXPERIENCE Ukrlogika

TECHNOLOGIES WordPress, Bitrix CMS, HTML, CSS, JavaScript (Vanilla JS)

ABOUT THE A informational website for a Ukrainian pharmaceutical brand, presenting the
PROJECT company's product line of medications to a wide audience. The site features
dedicated pages for each medication with detailed descriptions. The website
includes parallax scroll animations to create a visually engaging experience for
visitors.
RESPONSIBILITIES
Maintained and administered the Ukrlogika website on WordPress CMS
Frontend page layout development (HTML/CSS/JS)
Full-stack development on Bitrix CMS (frontend and backend)
Built custom parallax animations in vanilla JavaScript without third-party plugins
Website performance optimization (load speed improvements)

EDUCATION Kharkiv Polytechnic Institute
Bachelor’s Degree in Information Systems and Technologies

Kharkiv Computer Technology College of NTU "KhPI"
Associate Degree (Junior Specialist) in Software Engineering

LANGUAGES Ukrainian — Native
English — Intermediate (B1)