Complete system for the investment market, focusing on onboarding, suitability, credit analysis, operational limits, and regulatory compliance. Built with a layered architecture following the principles of DDD, Clean Code, and SOLID.

The name Gauss Investment was inspired by Johann Carl Friedrich Gauss, known as the Prince of Mathematics, for his fundamental contributions to number theory, statistics, and mathematical modeling — all of which relate directly to the investment world and risk analysis.

This project aims to deliver a robust and scalable platform for the investment market, covering everything from investor registration to risk and operational limit management, with asynchronous messaging, JWT authentication, and full CI/CD integration using Azure DevOps.

• .NET Core 8 / C# 12
• ASP.NET Core Web API
• React
• Entity Framework Core / Dapper / UnitOfWork
• RabbitMQ
• FluentValidation / AutoMapper / MediatR
• JWT Authentication
• FluentMigrator / FluentMigrator.RunnerXUnit
• Docker / Azure DevOps / GitHub
• SonarCloud for static code analysis
• xUnit, Moq, Bogus, FluentAssertions
• OpenAI (Future AI integration)
• Layered architecture based on DDD
• Clear separation of responsibilities between Domain, Application, Infrastructure, WebAPI, and Tests
• Test organization by business context
• Over 90% test coverage, including unit and integration tests

• Supports SQL Server, MySQL, PostgreSQL, and MongoDB
• Dynamic configuration via appsettings.json, allowing easy switching between databases with a simple change

• System already implemented in Portuguese, English, French, and Spanish

• Entire development process managed with Scrum using Azure DevOps Boards
• Continuous Integration and code review via SonarCloud

src/
├── Backend/
│   ├── Gauss.Investment.Domain
│   ├── Gauss.Investment.Application
│   ├── Gauss.Investment.Infrastructure
│   └── Gauss.Investment.WebAPI
├── Shared/
│   ├── Gauss.Investment.Communication
│   └── Gauss.Investment.Exceptions
├── Mobile/ (reserved for app)
tests/
├── CommonTestUtilities
├── UseCase.Test
├── Validators.Test
└── WebApi.Test

• 🔜 Integration with real brokers via Open Finance
• 🔜 Real-time monitoring with SignalR
• 🔜 Automated deployment in cloud environments (Azure / Kubernetes)
• 🔜 Real-time risk dashboard with Blazor

This project is licensed under the MIT license. See the LICENSE file for more details.

(Add screenshots of Swagger, project structure, or the running app here)

Jeferson Almeida
🔗 GitHub
🔗 LinkedIn
📞 +55 11 99754-1210