Артем

Artem Ivanchenko
PHP Backend Developer
[open contact info](look above in the "contact info" section) @artem_ivanchenko0000

Profile
PHP Backend Developer with 4 years experience building high-load backend systems and e-commerce
platforms using Laravel. Specialized in designing REST APIs, asynchronous data processing, third-party and
ERP integrations, and application performance optimization. Experienced with RabbitMQ, Redis, PostgreSQL,
and MySQL, building fault-tolerant integration workflows and ensuring data consistency across distributed
systems. Focused on code quality, service reliability, and scalable backend architecture.

Professional Experience
PHP Backend Developer, E-SOFT 07/2024 – 06/2026
Developed and maintained backend services for a water delivery platform serving
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25,000+ active users and processing up to 1,500 orders daily.
Implemented bidirectional ERP (BAS) integration via REST API, including
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customer and order synchronization, error handling, and automated retry
mechanisms using RabbitMQ.
Designed and implemented an inventory reservation system with idempotent
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operations, race condition protection, and transactional consistency using
PostgreSQL.
Developed a flexible promotions engine supporting percentage, fixed,
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cumulative, and personalized discount rules with configurable priorities and
restrictions.
Re-architected a critical ERP import workflow by introducing an asynchronous
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RabbitMQ-based processing pipeline with parallel workers, validation, and fault-
tolerant retry mechanisms.
Implemented address validation and delivery zone determination functionality to
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improve checkout accuracy and reduce delivery errors.
Implemented WebSocket-based real-time updates and offline synchronization for
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mobile applications.
Introduced monitoring and observability using Prometheus and Grafana to
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improve visibility into API performance and system health.

PHP Backend Developer, Giulia 06/2022 – 07/2024
Developed and maintained backend functionality for a large fashion e-commerce
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platform with 85+ retail stores, own production facilities, and wholesale
operations.
Implemented a flexible promo code system with configurable restrictions based
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on expiration dates, order amount, product categories, and usage limits.
Integrated external payment and delivery providers via REST API, including
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webhook processing and automated order status synchronization.
Optimized database queries by eliminating N+1 issues and adding indexes for
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frequently used filters, improving catalog and order management performance.
Developed CSV/Excel product import functionality with validation of SKUs, prices,
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stock levels, and product attributes.
Moved resource-intensive imports, stock synchronization, and notification
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processing to Laravel Queue, improving system stability and preventing timeouts.
Enhanced the administration panel with advanced order filtering, Excel export,
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status history tracking, and role-based access control.
 Implemented Redis caching for catalog reference data and popular categories,
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reducing database load and improving response times.

Education
Physics of electronics and computer systems, Dnipro National University
Specialty: micro and nanosystem technology

Skills
Backend Data & Storage
PHP, Laravel, MVC, WebSockets, REST API, RabbitMQ, PostgreSQL, MySQL, Redis, Database Design, Query
Queue Systems, Eloquent ORM, Swagger/OpenAPI Optimization

Tools & Environment Frontend
Docker, Git, Linux, CI/CD, Nginx, PHPUnit, HTML, CSS, JavaScript, Vue.js, Blade, Livewire
Prometheus, Grafana

Languages
English
Intermediate (B1)