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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.

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

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

Designing Systems That Co-Exist With AI Agents: Protect Your APIs Before Non-Human Traffic Breaks Them

Designing Systems That Co-Exist With AI Agents: Protect Your APIs Before Non-Human Traffic Breaks Them

Tech Architect Insights - Lesson #49: Your API wasn't designed for callers that never sleep

Apr 12, 2026

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11 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.

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

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

Most Popular

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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

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

"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
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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
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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
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When Your Safety Net Becomes a Noose: Mastering Retry Storms

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