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Phase 15 · Advanced engineering

Architecture, Testing, Security and System Design

Improve complex systems through quality strategy, clean boundaries, secure design, refactoring and resilience.

Open repositoryWatch on YouTubeStarter branch

Company-level project

Enterprise Refactoring and Quality Assurance Project

Begin from the starter branch, work through the modules and use the main branch as a completed reference after making a genuine attempt.

Testing StrategySOLIDClean ArchitectureOWASPSystem Design
Open starter projectView completed referenceAssessment resources

Recommended sequence

Complete the modules at your own pace.

Every module links to the exact GitHub resource folder and its stable code-reference tag.

  1. 01

    Testing Strategy and Quality Engineering

    Study the resources, complete the practical lab, validate the result and record any limitation.

    Code referencep15-module-01-testing-strategy-and-quality-engineering
    ResourcesVideo
  2. 02

    Software Architecture and Clean Boundaries

    Study the resources, complete the practical lab, validate the result and record any limitation.

    Code referencep15-module-02-software-architecture-and-clean-boundaries
    ResourcesVideo
  3. 03

    Patterns, Refactoring and Maintainability

    Study the resources, complete the practical lab, validate the result and record any limitation.

    Code referencep15-module-03-patterns-refactoring-and-maintainability
    ResourcesVideo
  4. 04

    Secure Engineering and Threat Modelling

    Study the resources, complete the practical lab, validate the result and record any limitation.

    Code referencep15-module-04-secure-engineering-and-threat-modelling
    ResourcesVideo
  5. 05

    System Design, Resilience and Engineering Defence

    Study the resources, complete the practical lab, validate the result and record any limitation.

    Code referencep15-module-05-system-design-resilience-and-engineering-defence
    ResourcesVideo

Project review

Build first. Compare second. Explain every decision.

Build from starter
Run validation
Compare with main
Document limitations
Explain the architecture