Innotech is a large integrator with over 10,000 employees, specializing in the digitalization of businesses in the financial sector. Project: proprietary CMS optimized for websites with high traffic levels. Tech Stack: Go, Net.Core, PostgreSQL, SQL Server, Tarantool, Redis, Prometheus, Grafana, IBM Mq, Kafka. Implemented data consistency monitoring between primary and stand-in servers, by developing a data delivery and reconciliation control system. Developed flexible access management in the CMS admin panel by designing an authorization and authentication service with more than 50 setting criteria. Speeded up the integration of the authorization into 30+ services by implementing a mini-framework.

VK is a Russian investment technology corporation focused on social networks, messengers, and other online platforms.Project: tax audit systems.Developed a roadmap for transitioning from a monolithic to a microservices architecture.

Ozon.ru is one of the leading marketplaces in Russia.Project: Ozon.Travel - travel services, booking air and train tickets, etc. (3 million visitors per month)Solution Architect 2016–2020Transitioned the system from a monolithic and database-centric architecture to microservices. Developed a sharding roadmap for the monolithic database: 2000+ tables, 8TB.Oversaw the architecture of two monolithic frameworks within the company. Ensured architectural principles were followed in new projects. This allowed the monoliths to handle peak loads of 800 RPS.Developed corporate modeling notations for managing the architecture of critical system services. This approach linked code, architecture, and requirements, which in turn positively influenced the designed solutions.Team-lead of Team System Analyst 2014–2016Developed a real-time internal financial audit system. The system monitored 30,000+ transactions daily, covering all business processes of the company, with an annual turnover of more than 30 billion rubles.Developed an onboarding system for IT teams in the company, reducing the new employee adaptation time from 6 to 2 months.Team Lead of Developers 2012-2014Sped up airfare calculations in searches by 80%, leading to a 7% increase in conversion. Developed a dynamic pricing system for air tickets to manage markups and commissions.Implemented Agile processes in the company, organized retrospectives at the team level and between them. Structured work processes from requirements setting to release.Developed a geo-directory and geo-search service for searching for hotels and tours worldwide.Developer 2011-2012Worked on new products for the young company Ozon.Travel. Integrated with the APIs of new booking systems. Developed an internal CRM, a service for sending service emails to customers, and more.

Automation systems for call centers and taxi services. Developed a module for integration with Yandex.Taxi. Developed a taxi ordering module through a chatbot. Stack: Delphi, .Net, SQL Server.

Automation systems for call centers and taxi services. Developed a module for integration with Yandex.Taxi. Developed a taxi ordering module through a chatbot. Stack: Delphi, .Net, SQL Server.

One of the oldest and leading scientific and educational centers in Russia, founded in 1878.Developed a management system for student and teacher affairs for the educational department. Stack: Delphi, FireBird.