Blueberry: Force Multiplier For The On-Call Engineer
How we built a Slack native on call reasoning harness at Instacart that shortens time to first insight, speeds up theory testing, and turns tribal knowledge into reusable infrastructure. Key Contributors: Karthik Halukurike , Gabe de Oliveira, Hassan Jallad, Alan Wong On call work is a race to turn noisy signals into…
How we built a Slack-native on-call reasoning harness at Instacart that shortens time to first insight, speeds up theory testing, and turns tribal knowledge into reusable infrastructure.
Key Contributors: Karthik Halukurike, Gabe de Oliveira, Hassan Jallad, Alan Wong
On-call work is a race to turn noisy signals into shared judgment. The hardest minutes of that race aren’t the ones spent fixing the bug — they’re the ones spent figuring out what the bug even is, while everyone in the thread is asking the same question from a slightly different angle.
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