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Harjot Singh Rana

Projects

Things I've built.

Production systems, open-source tools, and infrastructure that powers real products. Each project solved a concrete problem for real users.

Distributed Task Scheduler

A fault-tolerant task scheduler built on Redis streams and Go workers. Handles 500k+ scheduled tasks per hour with sub-second precision.

GoRedisDockerPostgreSQL

Observability Stack

OpenTelemetry-based observability platform with custom dashboards, alerting, and distributed tracing. Reduced incident response time by 60%.

TypeScriptGrafanaPrometheusKubernetes

API Gateway

High-performance API gateway with rate limiting, authentication, and request transformation. Handles 10k+ requests per second per node.

GoRedisgRPCEnvoy

CLI Deployment Tool

Zero-downtime deployment CLI for Kubernetes. Supports canary releases, rollbacks, and multi-cluster deployments from a single binary.

GoKubernetesDockerTerraform

Real-Time Event Processor

Event processing pipeline handling 2M+ events per minute with Redis Streams and Go workers. Features automatic retries and dead letter queues.

GoRedisKubernetesProtobuf

Infrastructure Cost Analyzer

Automated cloud cost analysis tool that identifies waste, recommends right-sizing, and tracks savings across AWS accounts and Kubernetes clusters.

TypeScriptAWSTerraformGrafana
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