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 Duration 35 hours

Course Outline

Transitioning from Language Proficiency to Solution Design

  • Advanced C# features and their impact on design.
  • Inferring design intent from legacy code.

Requirements Analysis and Domain Modelling

  • Defining use cases, user stories and acceptance criteria.
  • Establishing domain models and a ubiquitous language.

Software Design Principles

  • Applying SOLID principles to .NET solutions.
  • Managing coupling, cohesion and dependency direction.

Design Patterns for .NET Applications

  • Selecting appropriate creational, structural and behavioral patterns.
  • Identifying patterns and anti-patterns in existing codebases.

Architectural Styles and Technical Decision-Making

  • Comparing layered, hexagonal and clean architecture.
  • Creating Architecture Decision Records and analysing trade-offs.

Structuring the Solution

  • Organising solutions and projects for large-scale codebases.
  • Choosing between modular monoliths and service-oriented boundaries.

Modern C# for Maintainable Code

  • Utilising pattern matching, records and nullable reference types.
  • Leveraging generics, LINQ and functional composition.

Exception Handling, Logging and Observability

  • Defining exception strategies and error contracts.
  • Implementing structured logging, correlation and health checks.

Reflection, Attributes and Metaprogramming

  • Attribute-driven design and practical reflection use cases.
  • Source generators and compile-time code generation.

ASP.NET Core Fundamentals

  • Hosting models, dependency injection and configuration.
  • Request pipelines, middleware and filters.

Designing REST APIs

  • Resource modelling and HTTP semantics.
  • Versioning, validation and error response handling.
  • Defining API contracts with OpenAPI.

Securing .NET Applications

  • Implementing authentication and authorization via OpenID Connect.
  • Policy-based authorization and secrets management.

Threat Modelling and Secure Design

  • STRIDE modelling and defining trust boundaries.
  • Conducting secure design reviews prior to implementation.

Data Access with Entity Framework Core

  • Modelling entities and their relationships.
  • Managing DbContext lifetime and migration strategies.

Query Performance and Data Architecture

  • Loading strategies and avoiding eager loading pitfalls.
  • Transactions, concurrency tokens and bypassing EF when necessary.

Concurrency and Asynchronous Programming

  • Tasks, the TPL and common async/await pitfalls.
  • Synchronization, cancellation and thread safety.

Performance Optimization

  • Profiling and benchmarking using BenchmarkDotNet.
  • Memory management, allocations and garbage collection.
  • Caching strategies and load testing.

Testing Strategy Across Layers

  • Defining boundaries for unit, integration and end-to-end testing.
  • Testable architecture and the use of test doubles.

Deployment and Operational Readiness

  • Containers, configuration and CI/CD pipelines.
  • Production diagnostics and release safety.

Capstone: Design Review and Implementation

  • Architectural review of a case study application.
  • Implementing and refactoring a specific feature slice.

Requirements

  • Proficiency in C# programming
  • Practical understanding of object-oriented programming
  • Fundamental knowledge of SQL and relational databases

Target Audience

  • .NET Developers
  • Software Engineers and Technical Leads
  • Developers transitioning into application design roles

Custom Corporate Training

Training solutions designed exclusively for businesses.

  • Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
  • Flexible Schedule: Dates and times adapted to your team's agenda.
  • Format: Online (live), In-company (at your offices), or Hybrid.
Investment

Price per private group, online live training, starting from 6500 € + VAT*

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