Сергій

CONTACT WORK EXPERIENCE
[відкрити контакти](див. вище в блоці «контактна інформація») Senior Technical Architect at Unirgy / 2021 - 2025 / Remote
[відкрити контакти](див. вище в блоці «контактна інформація») Architecture, Development:
Kyiv, UA ●​ Async microframework for development of REST API based on AMPHP
LinkedIn ●​ SaaS versions of magento extensions (Marketplace, Rapidflow)
Github ●​ Reactive event-driven async dataservice (gRPC like) for catalog import/export
and general dataflow between peers

Achievements:
EDUCATION ●​ Thorough understanding of Event Loop and asynchronous development
Software Engineering ●​ Deep knowledge of AMPHP library
Donetsk National ●​ Architectured and developed microframework based on AMPHP library which
Technical University simplifies implementation of REST APIs in async runtime (amphp/http-server)
●​ Implemented async channel dispatcher (socket channel) which allows one peer
1999 - 2005
push/pull data, execute tasks (like gRPC), submit events etc on another peer
Donetsk, UA using request/response dto objects.
●​ Extracted code from extensions that previously was encoded into remote gRPC
procedures (SaaS service). That allows elimination of the usage of encoders
SKILLS (ioncube/sourceguardian) for code protection and license validation.
●​ Implemented chained data processing pipeline using amphp concurrent
PHP (Magento/Symfony) iterators.
AsyncPHP (AMPHP) ●​ Optimized catalog import/export by utilizing a better approach for mass db
MySQL insert/update operations, entity ids resolution, table rows iteration. All that
Javascript powered by the benefits of asynchronous processing.
Linux, Docker, Git
ElasticSearch Developer / Technical Support at Unirgy / 2010 - 2021 / Remote
Development, customizations, technical support of magento extensions:
●​ Marketplace (Multiseller modules pack for B2B and B2C)
●​ Dropship (Multivendor modules pack)
●​ Rapidflow (import/export extension)

Achievements:
●​ Deep understanding of various aspects of magento
●​ Implemented vendor/seller specific functionalities: promotions, inventory,
prices, shipping, microsites, reports
●​ Experience with performance optimisations, techniques for fast data
import/export and synchronizations, data indexes.
●​ Knowledge of how to build reports, dashboards. Possible requirements for
them, pitfalls, best practices.
●​ Experience with ElasticSearch in general and it’s usage in search and catalog
layered navigation (aggregations).
●​ Implemented dozens of possible scenarios for seller specific shipping
calculations, configuration, limitations. Integration of carriers not available out
of the box in magento.
●​ Developed per seller taxation