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VercelSusan Aziz5 min readintermediate

How Delphi ships 100 times a day with its Python backend on Vercel

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Summary

Delphi migrated its Python backend to Vercel, leveraging Workflows, Queues, and AI Gateway to eliminate infrastructure overhead. The change let a 10‑engineer team ship over 100 production deploys daily with fast onboarding and reliable model routing.

  • Moving the Python backend to Vercel cut onboarding from a full day to minutes by using the same deploy workflow for all engineers.
  • Vercel Workflows and Queues let long‑running tasks and background jobs run without any infrastructure provisioning code.
  • The team now ships 100+ production deploys per day behind feature flags, skipping staging and relying on Vercel Agent anomaly detection.
  • Preview deployments become the primary testing surface for AI agents, enabling instant feedback via live URLs.

Any engineering team that wants rapid iteration without building its own infra can learn from Delphi’s Vercel‑based workflow.

6/10
devopsvercelai gatewaypythonqueuesworkflows

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