Vishnu Balachandran

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Blog

Original writing on architecture, event-driven systems, and engineering careers, plus a short take on other pieces worth your time — each with its own link so you can share it anywhere.

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Using Kafka and Redis with OAuth2 to Build a Highly Scalable API Gateway

A practical architecture for an API gateway that verifies identity once, enforces rate limits atomically, and decouples every downstream consumer via async events -- with the config details most write-ups skip.

Sep 21, 2026 By Vishnu Balachandran API GatewayKafkaRedisOAuth2System Design
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