Blockchain-based Election Management System
Enhanced trust and voter anonymity in elections by customizing the blockchain protocol.
NAME
Rajat Garga
Senior Site Reliability Engineer — Mumbai
SRE · Homelabber · Digital Freedom
SYNOPSIS
SRE by trade, digital freedom enthusiast by choice. I build reliable systems, experiment with homelabbing, and fight for an open internet. This blog documents the things worth writing down.
EXPERIENCE
2025 — PresentSenior Site Reliability Engineer, Media.net · Mumbai
- Built an internal replacement for PagerDuty & Grafana OnCall (Go + Prometheus + Alertmanager + Loki + Ntfy), eliminating vendor licensing overhead.
- Evaluated and adopted Cilium CNI with eBPF for on-prem Kubernetes, improving observability, security, and network throughput.
- Led platform initiatives: documentation standards, CI/CD security scanning, and Just-in-Time access.
2023 — 2025Site Reliability Engineer II, Media.net · Mumbai
- Built a high-performance IP geolocation service in Go with in-memory caching — 40% faster (15–20 ms), no MySQL/Redis.
- Implemented secret management with HashiCorp Vault + Bitwarden and full audit trails.
- Migrated CI/CD entirely onto Kubernetes using Argo Workflows + Kaniko (100% adoption).
- Owned STUN/TURN infrastructure for an audio/video conferencing product.
2022 — 2023Site Reliability Engineer, LinkedIn · Bangalore
- Automated testing of data flows — 7 hours less deployment time and 17 hours less on-call toil per month.
- Used ZooKeeper for leader election to make legacy services highly available and horizontally scalable.
- Led incident investigations and root-cause analyses across multiple stakeholders.
2020 — 2022Site Reliability Engineer, Media.net · Mumbai
- Migrated DNS infrastructure from BIND to PowerDNS with automated MySQL read-replica generation.
- Led the move from ECS to Kubernetes with generalized Helm charts and a self-serve migration process.
- Built a Git pre-receive hook framework to block accidental pushes of secrets; designed anomaly detection for periodic metric trends.
EDUCATION
2016 — 2020B.Tech, Computer Science & Engineering — LNMIIT, Jaipur
CGPA 7.82 · GCPA (CS) 8.7. Distributed systems, networking, security.
ENVIRONMENT
- Languages
- Golang · Java
- Monitoring
- Prometheus · Grafana · Loki · Elasticsearch
- Deploy
- Kubernetes · Helm · ArgoCD · ECS
- Big data
- Hadoop · Spark · Azkaban · Hive · Trino
- Infra
- Consul · Vault · PowerDNS · WireGuard
- Tools
- GitLab · Docker · Puppet · eBPF
SEE ALSO
Communication System for Vehicular Networks
A gateway module for smart-city transport, streamlining API interactions under fluctuating network conditions.