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Tech Architect Insights is a weekly newsletter and free 5-day email course that teaches you how to think in systems, make solid technical decisions, and communicate like a leader.

40+ in-depth lessons already shipped on real-world architecture problems.

The Modular Monolith Decision Framework: When Fewer Services Beat More

The Modular Monolith Decision Framework: When Fewer Services Beat More

Tech Architect Insights - Lesson #47: We split into 14 services. We should have split into 3.

Mar 29, 2026

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11 min read

The Abstraction Tax: When Clean Architecture Creates Operational Complexity

The Abstraction Tax: When Clean Architecture Creates Operational Complexity

Tech Architect Insights - Lesson #46: The hexagonal architecture that took 7 files to change a button color

Mar 22, 2026

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9 min read

The 48-Hour Bottleneck Audit: Find Your Delivery Constraint Before Management Hires a Consultant

The 48-Hour Bottleneck Audit: Find Your Delivery Constraint Before Management Hires a Consultant

Tech Architect Insights - Lesson #45: We found the bottleneck in 48 hours. Management expected 3 months.

Mar 15, 2026

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8 min read

Saga Pattern Failure Modes: Design Compensations That Actually Complete

Saga Pattern Failure Modes: Design Compensations That Actually Complete

Tech Architect Insights - Lesson #48: Step 4 of 6 failed. Now what? The saga pattern nobody finishes implementing.

Apr 5, 2026

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9 min read



Tech Architect Insights is a weekly newsletter that teach you how to think in systems, make solid technical decisions, and communicate like a leader. No fluff. Just patterns from 17+ years in the field.

You’ll also get one practical architecture lesson each week. Unsubscribe anytime.

Eliminate "Works on My Machine" With Containerized Dev Environments

Eliminate "Works on My Machine" With Containerized Dev Environments

Tech Architect Insights Lesson #44 - Your team loses a full day every week to "works on my machine"

Mar 8, 2026

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8 min read

Lead Time vs. Cycle Time: Find the Real Bottleneck With a 2-Hour Value Stream Map

Lead Time vs. Cycle Time: Find the Real Bottleneck With a 2-Hour Value Stream Map

Tech Architect Insights Lesson #43 - Your team isn't slow. It's stuck in a queue you can't see.

Mar 1, 2026

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8 min read

Architectural Fitness Functions: Automated Rules That Catch Drift Before Production Does

Architectural Fitness Functions: Automated Rules That Catch Drift Before Production Does

Tech Architect Insights Lesson #42 - We Had 47 Dependency Violations Nobody Caught Until Production Broke

Feb 22, 2026

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8 min read

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"One-Way" vs. "Two-Way" Door Decisions With Speed That Doesn't Break Things

Tech Architect Insights Lesson #41- The team spent two weeks debating a decision they could reverse in a day.

Feb 15, 2026

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7 min read

Bogdan Colța
Bogdan Colța
"One-Way" vs. "Two-Way" Door Decisions With Speed That Doesn't Break Things

The 15-Minute ADR With Decisions That Actually Survive

Tech Architect Insights: Lesson #40 - Your Team Rewrote a System That Worked. Here's Why.

Feb 8, 2026

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9 min read

Bogdan Colța
Bogdan Colța
The 15-Minute ADR With Decisions That Actually Survive

Bulkhead Architecture With Failures That Stay Contained

Tech Architect Insights Lesson #39 - Keep Tier-3 failures away from login and checkout. Permanently.

Feb 1, 2026

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8 min read

Bogdan Colța
Bogdan Colța
Bulkhead Architecture With Failures That Stay Contained

Logs Are Not Enough

Tech Architect Insights Lesson #38 - How to slash your Mean Time To Resolution from four hours to thirty minutes by making every request traceable across services, queues, and databases.

Jan 25, 2026

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8 min read

Bogdan Colța
Bogdan Colța
Logs Are Not Enough

When Your Safety Net Becomes a Noose: Mastering Retry Storms

Tech Architect Insights - Lesson #37 - Small hiccups shouldn't trigger self-inflicted chaos.

Jan 18, 2026

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9 min read

Bogdan Colța
Bogdan Colța
When Your Safety Net Becomes a Noose: Mastering Retry Storms

Stream-Aligned Teams With Deployments That Don't Block

Tech Architect Insights -Lesson #36 - Stop deep pages from melting your database.

Jan 11, 2026

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10 min read

Bogdan Colța
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Stream-Aligned Teams With Deployments That Don't Block

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