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

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

Error Contracts Across Services

Error Contracts Across Services

Tech Architect Insights Lesson #28 - Make retries predictable, fallbacks humane, and on-call a little quieter.

Nov 16, 2025

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11 min read

Caching Without Regret

Caching Without Regret

Tech Architect Insights Lesson #27 - Make data feel fast, stay honest about staleness, and avoid stampedes.

Nov 9, 2025

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10 min read

API Timeouts & Retries That Don’t Melt Your System

API Timeouts & Retries That Don’t Melt Your System

Tech Architect Insights Lesson #26 - Fix the retry storms, make timeouts tell the truth.

Nov 2, 2025

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9 min read

Secret Rotation With Zero Downtime

Secret Rotation With Zero Downtime

Tech Architect Insights Lesson #29 - Rotate keys like a routine chore, not a midnight drama.

Nov 23, 2025

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7 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 30-Minute Architecture Review That Actually Ships

The 30-Minute Architecture Review That Actually Ships

Tech Architect Insights Lesson #25 - Replace two-hour bikesheds with a crisp, decision-first ritual

Oct 26, 2025

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8 min read

Golden Paths (Paved Roads) Beat Tribal Knowledge

Golden Paths (Paved Roads) Beat Tribal Knowledge

Tech Architect Insights Lesson #24 - Publish one safe, fast default so teams ship great systems by default.

Oct 19, 2025

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8 min read

Designing Multi-Tenant Isolation

Designing Multi-Tenant Isolation

Tech Architect Insights Lesson #23 - Stop noisy neighbors, protect VIPs, and localize failure by design.

Oct 12, 2025

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9 min read

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Shadow Traffic & Dual-Run - Prove It Before Cutover

Tech Architect Insights Lesson #22 - Validate new systems with real production traffic in parallel, so launch day is boring.

Oct 5, 2025

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8 min read

Bogdan Colța
Bogdan Colța
Shadow Traffic & Dual-Run - Prove It Before Cutover

SLOs & Error Budgets - Ship With Guardrails

Tech Architect Insights Lesson #21 - Move fast within reliability budgets so you never melt the core path again.

Sep 28, 2025

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10 min read

Bogdan Colța
Bogdan Colța
SLOs & Error Budgets - Ship With Guardrails

Backpressure Is Your Safety Net

Tech Architect Insights Lesson #20 - Don’t “handle all load”, control the flow to protect the critical path

Sep 21, 2025

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8 min read

Bogdan Colța
Bogdan Colța
Backpressure Is Your Safety Net

Idempotency Everywhere

Tech Architect Insights Lesson #19 - Make retries safe so reversibility, rollbacks, and resilience actually work

Sep 14, 2025

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7 min read

Bogdan Colța
Bogdan Colța
Idempotency Everywhere

Design for Reversibility

Tech Architect Insights Lesson #18 - Ship faster by making decisions you can undo cheaply.

Sep 7, 2025

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7 min read

Bogdan Colța
Bogdan Colța
Design for Reversibility

Tradeoffs Are the Real Deliverables

Tech Architect Insights Lesson #17 - Architecture isn’t about perfect diagrams, it’s about making risks and choices explicit.

Aug 31, 2025

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5 min read

Bogdan Colța
Bogdan Colța
Tradeoffs Are the Real Deliverables

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