Level Up Coding System Design Newsletter | Nikki Siapno | Substack

🎁 System Design Handbook + Architecture Patterns Playbook 🚀

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Jan 6 • Nikki Siapno

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JWT Clearly Explained

Nov 4, 2025 • Nikki Siapno

Dec 7, 2025 • Nikki Siapno

CDC Clearly Explained

Nov 19, 2025 • Nikki Siapno

API Architecture Styles Made Simple

Dec 26, 2025 • Nikki Siapno

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Recent posts

API Gateway vs Load Balancer vs Reverse Proxy

(5 minutes) | Same edge, different responsibilities, and how the wrong choice quietly creates failure modes.

Jan 14 • Nikki Siapno

Load Balancing Algorithms Clearly Explained (In Under 8 Minutes)

How Different Algorithms Actually Behave in Production, and How to Choose the Right One

Jan 10 • Nikki Siapno

What a CI/CD Pipeline Really Looks Like

(5 Minutes) | A practical, end-to-end look at CI/CD pipelines

Jan 8 • Nikki Siapno

System Design Quality Attributes Clearly Explained

(9 Minutes) | How Quality Attributes Drive Architecture Decisions Under Real Constraints

Jan 2 • Nikki Siapno

API Architecture Styles Made Simple

(6 Minutes) | How Each Works, When to Use Each (and When Not to), Benefits, and Tradeoffs

Dec 26, 2025 • Nikki Siapno

Pub/Sub Clearly Explained (in Under 6 Minutes)

(6 Minutes) | How It Works, Best Practices, Why Teams Reach for It, When Not to Use It, and Tradeoffs

Dec 19, 2025 • Nikki Siapno

Level Up Coding System Design Newsletter

Level Up Coding System Design Newsletter

Get our Architecture Patterns Playbook for free when you subscribe. Plus, receive our System Design Handbook for free when it launches next month.

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