Currently keeping a high-load iGaming platform running on 5 EKS clusters / 400+ microservices.
Previously CTO at Oversecured — scaled the SaaS to 5,000 clients on serverless (Lambda + DynamoDB + S3) at near-zero AWS spend.
Stack: AWS · EKS · Pulumi (Python) · OpenTelemetry · Prometheus · VictoriaMetrics · ClickHouse · Grafana · GitHub Actions · Cloudflare
- 🌍 Krakow, Poland · async-friendly
- 🌐 kozub.dev
- ✉️ pavlo.kozub@gmail.com




