Achievements:- Increased page loading speed by 50% by minimizing redundant requests using Tideways profiler;- Established a universal notification system supporting various providers such as Telegram bots, SMS, email, and webhooks. This system was utilized for monitoring and responding to erroneous requests;- Resolved issues associated with exporting feeds for Google Merchant Center to prevent blocking on their platform;- Effectively integrated TikTok Pixel to track user activity on the website;- Refactored legacy code in most modules to adhere to PSR standards using PHPCS, resulting in improved performance and simplified maintenance;- Created bash scripts to ensure code quality verification before deployment;- Supported three projects simultaneously.

Achievements:- Identified and resolved issues and bugs effectively;- Improved the performance of modules migrated from monolithic architecture to microservices;- Decreased unnecessary memory usage in service pods by analyzing data in Grafana;- Enhanced database queries by implementing necessary indexes and optimizing their performance;- Achieved comprehensive service coverage through integration tests based on BDD with Behat;- Actively participated in retrospectives, contributing to continuous improvement initiatives.

Achievements:- Developed a customer onboarding control system with chat functionality and manager appointment features to simplify and accelerate the process;- Resolved synchronous request issues by implementing a request queue with processing balancing. This enhancement led to improved stability, reduced load, and better error tracking during data processing;- Effectively integrated with platforms including Shopify, Bigcommerce, Woocommerce, Magento 2, TriTech Systems, and Roadie;- Implemented a solution for monitoring and detecting suspicious changes and activities on the website;- Developed widgets for easy utilization of our platform functionality, using native JavaScript;- Supervised the onboarding and mentoring of new developers, facilitating their integration into the team;- Resolved customer issue tickets with positive feedback, enhancing cooperation in future interactions.- Enhanced database performance by implementing normalization and denormalization techniques;- Maintained data synchronization between POS systems.