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The T-Shaped Dev

Petar Ivanov
Tens of paid subscribers

Production-grade engineering for full-stack JavaScript developers who want to think like architects — React, Node, software architecture, and building real AI systems. No fluff, every week.

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Issues102Founded4 years agoLast Issue9 days ago
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Latest Issues

Domain Events Are Easy. Until One Fails Silently.

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Every time a traveler confirms a booking, your code sends a confirmation email, creates an invoice in accounting, pings the trip organizer on Slack, and tracks an...

9 days ago
8
1

Your LLM Judge Is Untested Code

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Every agent eval suite has one component nobody tests. You wrote careful scenarios, mocked the tools, and ran each one five times. Then you handed the final verdi...

11 days ago
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Your AI Agent Has No Stack Trace. Here's How to Debug It Anyway.

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A user files a ticket. "The assistant said my expense was rejected because of the travel policy. That's not our policy." No stack trace. You ask the same question...

25 days ago
12

Saved the Order, Lost the Event: Why You Need the Outbox Pattern

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A customer places an order. You save it to Postgres, then publish an OrderPlaced event so the warehouse, the email service, and billing can do their part.

The...

a month ago
13

6 MCP Servers That Make My Coding Agent Actually Useful in 2026

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There are thousands of MCP servers now.

Most of the ones I tried added noise instead of signal.

These six earned a permanent spot in my setup, and each one cl...

a month ago
11

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  • Petar Ivanov

    Senior Software Engineer | Practical React, Node, and Software Architecture Tips 🔥 | Author of “The Conscious React” book ⚛️

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