Experience

2 years 9 months

• Hrustalnaya voda

  DevOps-engineer

  October 2025 – Present

  Migrated the company’s infrastructure from Kazakhstan to Germany (Hetzner), reducing monthly operational costs by 21% while simultaneously increasing computational capacity by 10-15x. Designed and implemented a fault-tolerant architecture across three dedicated servers, replacing a monolithic setup previously running on a single dual-Xeon machine. Implemented automated backups to Backblaze B2, achieving an RPO of under 1 hour and ensuring seamless recovery of critical services without a single incident. Introduced a Zero-Trust architecture, significantly strengthening overall security and eliminating direct access to internal systems.

• Convex 🡥

  DevOps-engineer

  September 2024 – June 2025

  Worked with the core team of a San Francisco–based startup to improve internal development environments and Docker infrastructure for a high-load platform capable of scaling up to 10 million requests per second. Contributed fixes and enhancements to docker-compose configurations and Bash scripts, increasing environment stability and reducing deployment time. Optimized .env logic and build processes, resulting in fewer release-related errors and a more streamlined onboarding experience for engineers.

• Lei Sheng Group

  DevOps-engineer

  June 2023 – September 2024

  Designed a cloud infrastructure for a future IaaS/PaaS platform with a deployment strategy tailored for the Chinese market and integration with local providers. Defined an architectural stack based on Proxmox, Kubernetes, and Kong API Gateway, establishing the foundation for a scalable cloud environment and service mesh. Configured CI/CD pipelines for Go and Next.js microservices, reducing release times from hours to minutes.

• Kedentransservice, JSC

  System Administrator

  January 2023 – May 2023

  Maintained servers, network infrastructure, and workstations, configured VLANs, DHCP, DNS, VPN services, and security policies. Administered Linux/Windows servers, managed updates, backups, and monitoring systems, optimized service performance, and participated in incident troubleshooting. Ensured uninterrupted operation of the IT environment and provided employees with reliable access to internal resources.