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Software Engineering
Simplified.
A complete study companion for Ian Sommerville's Software Engineering (10th Edition) — 20 weeks, beginner-friendly, built for learning in public.
📚 20 Chapters
🏗️ 5 Phases
🧩 100+ Concepts
🧠 60 Quiz Questions
@thethetanotes
Phase 1: Foundations
01
Ch 1
Introduction to Software Engineering
Why 70% of software projects fail — and what real engineers do differently
02
Ch 2
Software Process Models
Waterfall vs. Agile vs. Spiral — which one fits YOUR project?
03
Ch 3
Agile Software Development
Agile is NOT just standup meetings. Here's what it actually means.
04
Ch 4
Requirements Engineering
Build the wrong thing fast = waste. Here's how engineers avoid it.
Phase 2: Design & Modeling
05
Ch 5
System Modeling (UML)
5 UML diagrams every junior developer should know
06
Ch 6
Architectural Design
MVC, Layered, Microservices — your app's skeleton matters more than you think
07
Ch 7
Design and Implementation
Why clean code isn't enough — design matters
08
Ch 8
Software Testing
Unit, Integration, System, Acceptance — explained with one real example
09
Ch 9
Software Evolution
Why companies still maintain 20-year-old systems
Phase 3: Quality & Trust
10
Ch 10
Dependability and Security
What makes software trustworthy? 5 properties every engineer must know.
11
Ch 11
Reliability Engineering
How Netflix achieves 99.99% uptime — and what you can learn from it
12
Ch 13
Security Engineering
OWASP Top 10 in plain English — every junior dev needs this
13
Ch 14
Resilience Engineering
When AWS goes down, your app shouldn't
Phase 4: Modern Engineering
14
Ch 15
Software Reuse
How npm changed software engineering — and the risks nobody told you about
15
Ch 16
Component-Based Engineering
Lego-style software — what component-based engineering really means
16
Ch 17
Distributed Systems
CAP theorem in 30 seconds — and the 8 fallacies every dev must know
17
Ch 18
Microservices Architecture
When to choose microservices (and when NOT to)
Phase 5: Management