• L2 technical support for the AituPay (Social Wallet) product after its transfer from BTSD. • Investigation of transaction issues, voucher processing errors, and data inconsistencies. • PostgreSQL data analysis using pgAdmin: validation, exports, and reporting. • Escalation point between L1 support and L3 engineering teams. • Ensured SLA compliance and operational stability of a socially critical platform.

Designed and operated high-availability cloud infrastructure supporting 150+ services and 200+ users. • Built centralized monitoring and alerting platform (Zabbix, Grafana, VictoriaMetrics, Alertmanager, Loki). • Automated infrastructure provisioning and configuration using Terraform and Ansible, reducing setup time by 50%. • Developed a Telegram bot for internal and customer support, handling up to 100 daily requests. • Maintained Linux systems (AlmaLinux, RHEL, Ubuntu, Debian) with 99.9% uptime. • From Nov 14, 2025 transitioned internally to the AituPay product as L2 Technical Support / Product Operations.

Supported Zabbix and Splunk monitoring for 5,000+ servers and 7,000 services. • Designed dashboards and alerting for real-time incident response. • Automated data extraction and migration using Python and Bash scripts.

Developed a Python (Aiogram) Telegram bot used by 1,000+ users. • Integrated PostgreSQL and Redis; containerized the service with Docker. • Set up CI/CD pipelines and production deployment on Ubuntu Server.