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Vieryn User

@vieryn

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Senior Site Reliability Engineer at T-Technologies Group who scaled a data platform 10x to 20k+ RPS and over 1 PB.

Georgia

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At T-Technologies Group, I scaled the Product Analytics Platform 10x, from 2k to 20k+ RPS, and grew its storage from 50 TB to over 1 PB. The platform supports a 50M+ user base.

I designed an automated tenant provisioning system and controlled database migration rollouts across isolated environments. I also formalized SLAs and implemented SLI/SLO tracking.

At NetUp, I designed the company’s first CI/CD platform using Jenkins and led the transition from monolithic server firmware to containerized deployments with Docker.

I also architected and built a multi-tenant observability platform with VictoriaMetrics and Grafana for enterprise telecom customers. My work has centered on resilient infrastructure, data storage scaling, observability, and disaster recovery.

Experience

Work history, roles, and key accomplishments

Senior Site Reliability Engineer

T-Technologies Group

Jul 2023 - Jul 2026 (3 years)

Scaled a data-intensive service 10x from 2k to 20k+ RPS and storage from 50 TB to over 1 PB. Designed automated tenant provisioning, authored DRPs, and implemented SLI/SLO to ensure reliability targets.

Clickhouse PostgreSQL S3 Kafka Kubernetes Docker Helm Terraform Prometheus VictoriaMetrics Grafana Go Python BASH GitHub Actions Gitlab CI Jenkins IaC Distributed Systems Cloud Computing

Middle to Senior DevOps

NetUp

Jan 2010 - Oct 2022 (12 years 9 months)

Designed and implemented the company's first CI/CD platform (Jenkins-based) and led the transition from monolithic firmware to containerized deployment with Docker. Architected a multi-tenant observability platform using VictoriaMetrics and Grafana.

Jenkins Docker VictoriaMetrics Grafana CI CD Infrastructure as Code Configuration Management