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thoughts on ai, systems, and building

How I Built a Voice AI Interviewer with <800ms Latency

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Aug 2025

The story of building Vetta.ai and everything that broke along the way...

I Built a High-Frequency Trading Matching Engine. Here's What I Learned.

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Oct 2025

A REG-NMS compliant C++17 matching engine with ~230µs latency. What I built, why it matters, and what surprised me.

Your AI API Calls Are Leaking Money. I Built a Fix

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Jan 2026

Relay: a Go reverse proxy and API gateway for AI services. Caching, rate limiting, cost tracking, circuit breaking.

nikhil goyal.

ai engineer & software developer

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