Senior backend engineer focused on realtime Go systems. Builds and operates low-latency services, WebSocket platforms, and event-driven analytics with Kafka → ClickHouse pipelines. Prioritizes predictable throughput, clear SLOs, and cost-aware scaling.
- Realtime Go backends for high-concurrency products
- Event-driven architectures and stream processing
- Observability, SLI/SLO guardrails, and reliability under load
- Cost-efficient data pipelines and storage
- Built Go WebSocket infrastructure serving ~400k concurrent users.
- Delivered Kafka → ClickHouse analytics ingesting ~1M events/day.
- Owned platform architecture, operations, and partner API contracts.
Go, WebSockets, Kafka/Redpanda, ClickHouse, PostgreSQL, Redis, Kubernetes, Grafana/VictoriaMetrics.
Based in Yerevan, Armenia. Open to remote roles in the EU. Relocation: France.
- Email: r@dmrcv.me
- LinkedIn: https://linkedin.com/in/rdmrcv/
- GitHub: https://github.com/rdmrcv

