Dmitrii Sazonov

Order Management System (from scratch) based on Symfony 7.2

Develop and support OMS from scratch for storing ~5000 orders per day.

Using stack:

Symfony 7.2, Postgres, Redis (queues), ApiPlatform, Docker + Gitlab CI/CD configuration, PhpUnit, RabbitMQ

TDD / SOLID / LIFECYCLE / CQRS principles, reverse engineering.

Integrations with CRM, address detection + Data Analysis for improving customer address data.

Deep monitoring using internal alert system, logging incidents, failed requests analysis.

Development and Support of websites on Magento 1/2

https://www.shirtee.com/en/
https://www.emma-sleep.co.uk/
https://www.o-i.com/
https://www.oswald.ch/de
https://www.livetosurf.com/
https://www.skinstation.co.uk/
https://www.usaskateshop.com/

• Managed multiple projects simultaneously while adhering to strict deadlines and budgets constraints.
• Developed custom Magento extensions for improved functionality and user experience.
• Enhanced website performance by optimizing Magento code and implementing caching solutions.
• Deep optimization (more than 2 millions products) by development extra layer of default Magento catalog product architecture
• AWS S3 integration with Magento for store big amount of pictures
• Developed full migrations from Magento 1 to Magento 2 by customization of default Migration tool
• Experience working with Magento cloud (CLI), Adobe Commerce
• Extensions for Page Builder component for convertion from DOM to XSLT templates (GraphQL API) for headless GraphCommerce
• Custom integrations with warehouses, dropshippers using REST, SOAP, EDI, FTP, GraphQL
• Deep alert and logging incidents (Sentry / ELK stack)
• Deep customization of Firebear Import/Export module
• Code Review / Mentoring

Developed Fin-tech startup from scratch (MVP for investment attraction) - product provides software solutions for operational risk management and monitoring loan portfolios.

T-Stack: Django, Postgres, MongoDB, Django Rest Framework, AWS, Plaid, APITestCase, Docker

• Participated as temporary contractor to migrate company websites from Magento 1 to Magento 2 using Magento migration tools.
• Merged 3 websites on Magento 1 into one on Magento2, using stores functionality with multi-domain.
• Improved product import and EAV structure to store huge amount of product characteristics.
• Theme development and customizations with frontend part from scratch (implemented new design).

• Team management (5 BE, 2FE, DevOps, Designer, Mobile Developer)
• Support and extend multiple amount of servers of company infrustructure
• WorkFlow improvements, CodeReview
• Application perfomance review + implementations of technical solutions
• Developed smart search using Sphinx Search Server as a separate CPAN module for Mojolicious Framework
• Cache::Memcache and Cache::Redis modules for website perfomance needs customization
• Developed solution for Perl CPAN using Morphy library for Website SEO needs - morphological selections for SEO attributes automatization.
• Big amount of different 3rd party service integrations developed - delivery, logistics, payments, crm integrations etc.

Tech Stack: Perl (Mojolicious), MySql, MongoDB, Redis, Docker, Sphinx, Morphy, RabbitMQ