Software Engineer at Zerodha, focused on infrastructure, observability, and distributed systems. I build reliable systems and write about what I learn at mrkaran.dev.

Based in Bangalore. You'll find me as @mrkaran around the internet.

Languages: Go, Python
Infrastructure: Kubernetes, Nomad, Docker, Terraform
Observability: Prometheus, Grafana, ClickHouse, Vector
Networking: DNS, WireGuard, load balancing

• doggo — Command-line DNS client for humans. Supports DoH, DoT, and more.
• logchef — Lightweight log analytics interface for ClickHouse.
• calert — Send Prometheus Alertmanager notifications to Google Chat.
• arbok — Secure HTTP tunnels to localhost using WireGuard.
• nomad-vector-logger — Collect Nomad application logs with Vector, enriched with metadata.
• nomctx — Fast cluster and namespace switching for Nomad (like kubectx).
• gullak — Expense tracker with natural language input, powered by LLMs.
• awesome-investing — Curated list of investment and finance resources.

Some posts I'm proud of:

• Understanding Networking in Nomad
• Using ClickHouse Keeper for Replication
• Running Nomad for home server
• DNS Lookups in Kubernetes

Badminton, road trips, and experiments in the kitchen. I also maintain a Spotify playlist of indie music I like.

• Twitter: @mrkaran_
• Mastodon: @mrkaran@hachyderm.io
• Blog: mrkaran.dev