Writing Better Code & Software Design

Defensive error handling, schema validation, OOP, functional paradigms, clean code, DRY, and testing.

2 weeks · wk 3–4Applied pace6 topics18 Interview Questions

Why this pace:AI assistants write the happy path well but routinely omit edge-case error handling and boundary validation. Clean design and test disciplines keep codebases maintainable.

SEC FOCUS

Always validate external inputs at process boundaries with runtime schemas (Zod/Pydantic) before executing business logic.

Topics & Action Items (6)

Error Handling & Input Validation

2 hrs

Object-Oriented Basics & Composition

2.5 hrs

Functional Basics: Map, Filter, Reduce & Purity

2.5 hrs

Clean Code & DRY Principles

2 hrs

Testing Fundamentals: Unit, Edge Cases & TDD

2.5 hrs

Software Design Principles (SOLID)

3 hrs

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