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Software Systems

How production software is built and operated: services, logs and event streams, testing, reliability, security, and team practice.

Type
Topic overview
Updated
Known gaps (1)
  • Not yet addressed from the September 2026 site review. “SWE for Pros” overstates scope; use a factual software-systems introduction.

Contents

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Unmarked notes are working notes: public, not yet reviewed.

Architecture4 pages
  1. 1. MicroservicesExplainer
  2. 2. Service MeshExplainer
  3. 3. Distributed SystemsExplainer
  4. 4. Under the Hood: The logExplainer
Practice6 pages
  1. 5. TestingExplainer
  2. 6. ReliabilityExplainer
  3. 7. ScalabilityExplainer
  4. 8. SecurityExplainer
  5. 9. StandardsExplainer
  6. 10. CollaborationExplainer
Other pages2 pages

Welcome to your journey into how the world’s most sophisticated systems actually work under the hood! This is not just theory. Every principle you’ll learn is battle-tested by thousands of engineers at companies like Netflix, Stripe, OpenAI, and Google. Get ready to peek behind the curtain.

Big Code Energy

Event StreamingReading bookmark
Under the Hood: The logExplainer
Service MeshExplainer
MicroservicesExplainer
TestingExplainer
SecurityExplainer
CollaborationExplainer
StandardsExplainer
ReliabilityExplainer
ScalabilityExplainer
Distributed SystemsExplainer

And here is how you are get through it:

SWE Study PlanStudy plan

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