# James Hickey

> I help .NET developers become better software engineers: designing, building and maintaining complex systems.

## About
- [Home](https://www.jamesmichaelhickey.com/)
- [All Articles](https://www.jamesmichaelhickey.com/articles/)
- [Donate](https://www.jamesmichaelhickey.com/donate/)
- [XML Sitemap](https://www.jamesmichaelhickey.com/sitemap_index.xml)

## Domain-Driven Design
- [Stop Pretending You're Doing Domain-Driven Design](https://www.jamesmichaelhickey.com/stop-pretending-domain-driven-design/): Are you really practicing DDD or just going through the motions?
- [What Are Domain-Driven Design Aggregates?](https://www.jamesmichaelhickey.com/domain-driven-design-aggregates/): Learn how to identify and design aggregates in your domain models.
- [How Do I Persist DDD Aggregates?](https://www.jamesmichaelhickey.com/how-do-i-persist-ddd-aggregates/): Practical strategies for persisting domain aggregates to your database.
- [What Is A Consistency Boundary?](https://www.jamesmichaelhickey.com/consistency-boundary/): Understanding transactional consistency in distributed systems and DDD.
- [How To Unit Test Domain-Driven Design](https://www.jamesmichaelhickey.com/ddd-unit-tests/): Effective testing strategies for domain models and aggregates.
- [Optimistic Concurrency In Domain-Driven Design](https://www.jamesmichaelhickey.com/optimistic-concurrency/): Handle concurrent updates without pessimistic locking.
- [Event Sourcing: Eventual Consistency Isn't Necessary](https://www.jamesmichaelhickey.com/event-sourcing-eventual-consistency-isnt-necessary/): Debunking myths about event sourcing and consistency requirements.

## Architecture & Design
- [Conway's Law Is Temporal: Why Tech Strategy & Vision Matters](https://www.jamesmichaelhickey.com/conways-law-tech-strategy/): How organizational structure shapes your software architecture over time.
- [What Is A Microservice Architecture?](https://www.jamesmichaelhickey.com/microservices-architecture/): The realities, benefits, and challenges of microservices.
- [What Is Clean Architecture?](https://www.jamesmichaelhickey.com/clean-architecture/): Understanding layered architecture and dependency inversion.
- [How To Structure Your .NET Solutions: Design And Trade-Offs](https://www.jamesmichaelhickey.com/how-to-structure-your-dot-net-solutions-design-and-trade-offs/): Practical guidance for organizing your .NET projects.
- [Focus On Your Core Domain](https://www.jamesmichaelhickey.com/focus-core-domain/): Why identifying and investing in your core domain is critical for business success.
- [I See Users Everywhere](https://www.jamesmichaelhickey.com/i-see-users-everywhere/): Rethinking how we model user concepts in our systems.

## Software Modernization & Legacy Systems
- [Software Modernization: What Is It?](https://www.jamesmichaelhickey.com/software-modernization/): A strategic approach to modernizing legacy systems beyond just tech upgrades.
- [Modernizing Legacy Apps With Micro-UIs](https://www.jamesmichaelhickey.com/legacy-micro-uis/): Break up monolithic UIs incrementally using composite UI patterns.

## .NET & Performance
- [High-Performance .NET Cron Jobs](https://www.jamesmichaelhickey.com/high-performance-dotnet-cron-jobs/): Build efficient background jobs and scheduled tasks in .NET.
- [Top .NET Blunders](https://www.jamesmichaelhickey.com/top-dotnet-blunders/): Common mistakes .NET developers make and how to avoid them.
- [Import GitHub Repos Into Your .NET Apps](https://www.jamesmichaelhickey.com/import-github-repos-dotnet/): Programmatically access and import GitHub repositories in .NET.

## Database & Performance
- [Database Indexes: The Complete Guide](https://www.jamesmichaelhickey.com/database-indexes/): Everything you need to know about database indexes and query optimization.
- [Blazing-Fast Analytical Queries With .NET & PostgreSQL](https://www.jamesmichaelhickey.com/analytical-queries-dotnet-postgresql/): Build high-performance dashboards and reports with PostgreSQL window functions.

## Main Topics
- [Domain-Driven Design](https://www.jamesmichaelhickey.com/category/domain-driven-design/)
- [Software Architecture](https://www.jamesmichaelhickey.com/category/architecture/)
- [.NET Development](https://www.jamesmichaelhickey.com/category/net/)
- [C# Programming](https://www.jamesmichaelhickey.com/category/c/)
- [Refactoring Legacy Systems](https://www.jamesmichaelhickey.com/category/refactoring-legacy/)