My projects and work across different technologies and domains.
High-performance, production-ready URL shortener in Go. Microservices with gRPC inter-service communication, PostgreSQL read replicas, Redis caching + streams, ClickHouse OLAP analytics, Snowflake ID generation, and a terminal UI client.
CDeX — Event-driven competitive programming & assignment platform built as a NestJS. gRPC internal RPC, Kafka event streaming, Redis caching/pubsub, Postgres + MongoDB persistence, MinIO artifact storage, Judge0 for code execution, and realtime via WebSockets.
Production-grade microservices e-commerce platform handling 1M requests/sec. Go microservices with GraphQL gateway, Kafka event streaming, multi-database architecture, and full Kubernetes observability stack.
Developed by Varun Hotani
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