Sumith Tatipally, AI engineer at EY
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AI engineer at EY. I build AI products end to end: frontend, backend and cloud. And I write about what I learn.
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Writing
18 posts
on AI, ML and building
BuildingOct 2026
What shipping four products after hours taught me
Lessons from building a WhatsApp booking agent, an expense tracker and more in the evenings: what mattered, what bit me, and what I'd do again.
7 min read →
AI AgentsOct 2026
A WhatsApp AI booking agent in Python that can't double-book
How my WhatsApp AI agent books appointments without double-booking: the LLM never touches the calendar, a Postgres lock serialises bookings.
13 min read →
AI EngineeringOct 2026
AI agents vs workflows: when to use an agent, and when not
When to use an AI agent and when a fixed workflow is better: how Orbit calls models at chosen steps, and the plumbing that keeps paid, public calls safe.
16 min read →
2026
3 posts
2025
3 posts