● Developed and maintained a microservice template that serves as the foundation for all microservices within the company. Ensured adherence to architectural principles and conducted extensive code reviews to maintain high code quality.● Conducted technical interviews to assess potential new hires. Facilitated onboarding and provided mentorship for new developers, ensuring smooth integration into the team.● Played a key role in the creation and implementation of the company's authorization service.● Oversaw and maintained a modern technology stack, regularly updating the codebase to support the latest versions of Python and its ecosystem. Implemented practices such as pre-commit hooks and linting in the CI/CD pipeline. Maintained documentation on architectural approaches and code style guidelines.● Developed various types of APIs, ensuring robust and scalable solutions.● Built and maintained an integration with a third-party CRM service from scratch, handling data-heavy operations including two-way database synchronization, scheduled and real-time operations with orders, mailing events, and more.● Created backend integrations with Google Analytics and DataGo via the Measurement Protocol.● Contributed to the development of an internal Clickhouse-based analytics service.● Conducted extensive refactoring of legacy modules, including comprehensive database schema and data migrations.● Developed an internal CMS, covering both frontend and backend aspects.

Architected and developed a promoter management system that served as the primary software tool for organizing and managing project activities. This system's functionalities include:● Promoter Personnel Management: Facilitated personnel management by enabling shift scheduling, attendance monitoring, automatic document generation based on database information, and uploading these documents to cloud storage.● Advertisement Media Automation: Automated advertisement display on devices by processing coordinate streams from portable devices and algorithmically determining the most relevant content based on geolocation.● Inventory Control: Implemented inventory control mechanisms for the organization.● Promoter Interaction Interface: Created a Telegram bot interface for promoters to interact seamlessly with the system.This system significantly streamlined project operations, enhanced personnel management efficiency, and improved overall project performance.