Refactored legacy code, debugged issues, and maintained an Intranet portal built with C# ASP.NET MVC while developing new features. Led the migration from .NET Framework 4.8 to .NET Core 8, decoupling monolithic architecture into microservices with RabbitMQ RPC for inter-service communication. Implemented end-to-end distributed tracing using Grafana + Tempo, tracking requests across microservices (from ingress to response) to identify latency bottlenecks and debug RabbitMQ RPC flows. Secured microservices with JWT (access + refresh tokens), ensuring stateless authentication and protection against replay attacks. Centralized secrets management using HashiCorp Vault, securing sensitive data (API keys, tokens, DB credentials) across microservices and environments (dev/stage/prod). Implemented ElasticSearch with NEST (C#) as a high-performance NoSQL solution, designing denormalized data models Implemented zero-downtime reindexing strategy for schema changes for ElasticSearch Designed a hybrid PostgreSQL/ElasticSearch system for stock management, ensuring ACID compliance (PostgreSQL) and sub-ms search speeds (ElasticSearch). Leveraged Redis for cart service scalability and MindBox API for CRM/promo operations.

Directed the development of custom CMS components for Joomla (3+) and PrestaShop platforms while managing infrastructure including VPS setup and CentOS/Parallels Plesk configurations. Engineered data integration solutions using PHP to parse and synchronize multi-ecommerce database systems with partner networks. Developed web applications across the full stack with expertise in CakePHP/Laravel frameworks, implementing modern frontend solutions using Vue.js, Socket.IO, and ScrollMagic animations. Created cross-platform mobile prototypes (iOS/Android/Windows Phone) using PhoneGap with HTML5/JavaScript. Led customer support operations and project management for digital initiatives including the industry-transforming "Технологии отраслевой трансформации" platform (tot.technology) and an Awwwards-honored web project (awwwards.com/sites/allgoy), recognized for exceptional design and technical execution.

As lead programmer, architected and developed custom CMS components across multiple platforms including Joomla, WordPress, PrestaShop, and UMI CMS, creating tailored solutions for diverse e-commerce needs. Designed and implemented sophisticated PHP data parsers to synchronize multiple e-commerce databases with partner systems, ensuring accurate real-time data exchange. Built robust applications using CakePHP and Zend Framework, delivering scalable backend solutions complemented by frontend interfaces developed with JavaScript (jQuery), HTML5, CSS3, and MySQL database integrations. Established development standards and best practices for CMS customization projects while mentoring junior team members in advanced PHP techniques and secure coding principles. Technical Environment: PHP (CakePHP, Zend Framework), JavaScript (jQuery), HTML5/CSS3, MySQL, CMS Platforms (Joomla, WordPress, PrestaShop, UMI CMS)

Pioneered Peru's first game publishing company for the Latin American market, specializing in MMORPG distribution and licensing. Engineered the technical infrastructure using XML and ODBC (SQL Server) to integrate multiple game servers onto a unified CakePHP platform, while developing custom Joomla modules to support operations. Spearheaded international partnerships including with KOCCA Korea, and represented the company as keynote speaker at the Rendezvous Lima gaming conference, establishing our position as Latin America's first Peruvian game publisher. Directed all aspects of game advertising, regional licensing, and player support services, while maintaining backend systems built with AutoIT, jQuery, and cross-database solutions (MySQL/MSSQL). Key Achievement: Launched the Dungeon Games Project, delivering localized MMORPG experiences to 500,000+ registered users across Latin America. Technical Environment: Game Publishing Stack (XML, ODBC, SQL Server), Web Development (CakePHP, Joomla, HTML/CSS), Databases (MySQL, MSSQL), Automation (AutoIT)