Tag: engineering
All the articles with the tag "engineering".
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Improving caller identification for voice AI agents
Sourish BiswasWhen callers aren't recognized by phone number, our voice agent looks them up by name and address. That lookup succeeded 5 times out of 70. Here is how we fixed it.
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Debugging Postgres performance under Row-Level Security
Zhixuan LaiHow an inefficient Row-Level Security policy drove Postgres CPU to 80%; and why EXPLAIN failed to reveal it.
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Debugging stuck Node.js processes
Winona Schroeer-SmithOne of our critical apps kept failing health checks. Logs, metrics, and local repros came up empty. We dove into Node.js internals to find the root cause.
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How we evaluate AI agents across 1,000+ production scenarios
Pratik JainGeneric benchmarks can't tell you if your AI agent will make the right decisions in production. We built a replay-based evaluation framework that tests 1,000+ real scenarios to compare models and catch regressions before they reach 200,000 weekly workflow runs.