2025 .Net Backend Developer Roadmap

🌐 Internet Basics

• How does the Internet work? https://roadmap.sh/guides/what-is-internet
• What is HTTP? https://www.cloudflare.com/learning/ddos/glossary/hypertext-transfer-protocol-http/
• What is DNS? https://www.cloudflare.com/tr-tr/learning/dns/what-is-dns/
• What is hosting? https://en.wikipedia.org/wiki/Web_hosting_service
• How do browsers work? https://developer.mozilla.org/en-US/docs/Web/Performance/Guides/How_browsers_work

💡 .NET Essentials

• What is .NET? https://dotnet.microsoft.com/learn/dotnet/what-is-dotnet
• .NET CLR Basics https://docs.microsoft.com/dotnet/standard/clr
• C# Language https://dotnet.microsoft.com/learn/csharp
• Essential .NET Libraries and Types https://docs.microsoft.com/dotnet/standard/framework-libraries
• Basic .NET CLI Commands https://docs.microsoft.com/dotnet/core/tools/
• NuGet https://www.nuget.org/

🚀 ASP.NET Core Fundamentals

• What is ASP.NET? https://dotnet.microsoft.com/learn/aspnet/what-is-aspnet
• App Startup https://docs.microsoft.com/aspnet/core/fundamentals/startup
• Dependency Injection https://learn.microsoft.com/en-us/dotnet/core/extensions/dependency-injection
• Middleware https://learn.microsoft.com/en-us/aspnet/core/fundamentals/middleware/?view=aspnetcore-9.0
• Host & Web Server https://learn.microsoft.com/tr-tr/aspnet/web-api/overview/older-versions/self-host-a-web-api
• Configuration https://learn.microsoft.com/en-us/aspnet/core/fundamentals/configuration/?view=aspnetcore-9.0
• Routing https://learn.microsoft.com/en-us/aspnet/core/fundamentals/routing?view=aspnetcore-9.0
• Error Handling https://learn.microsoft.com/en-us/aspnet/web-forms/overview/getting-started/getting-started-with-aspnet-45-web-forms/aspnet-error-handling

📡 Web API

• What is a REST API? https://aws.amazon.com/tr/what-is/restful-api/
• Controllers & Minimal APIs https://learn.microsoft.com/en-us/aspnet/core/tutorials/min-web-api?view=aspnetcore-9.0&tabs=visual-studio
• Postman & Swagger/Open API https://learning.postman.com/docs/getting-started/importing-and-exporting/importing-from-swagger/
• https://swagger.io/
• JSON & DTO https://www.youtube.com/watch?v=Mxm81T7waO8
• Validation https://learn.microsoft.com/en-us/aspnet/core/mvc/models/validation?view=aspnetcore-9.0

🔁 Version Control

• Git https://git-scm.com/
• GitHub https://github.com/

🛢️ Databases

Relational:

• MySQL https://www.mysql.com/
• Azure SQL Database https://azure.microsoft.com/en-us/products/azure-sql/database

NoSQL:

• MongoDB https://www.mongodb.com/
• Azure Cosmos DB https://azure.microsoft.com/en-us/products/cosmos-db

🧪 Testing

• Unit Testing https://en.wikipedia.org/wiki/Unit_testing
• xUnit https://xunit.net/
• Moq https://github.com/devlooped/moq
• FluentAssertions https://fluentassertions.com/
• Test-Driven Development (TDD) https://www.youtube.com/watch?v=ULJ3UEezisw
• Integration Testing (WebApplicationFactory) https://learn.microsoft.com/en-us/aspnet/core/test/integration-tests?view=aspnetcore-9.0

🔐 Security

Frameworks:

• ASP.NET Core Authentication & Authorization https://learn.microsoft.com/en-us/aspnet/core/security/authentication/?view=aspnetcore-9.0

Standards:

• JSON Web Tokens https://jwt.io/
• OAuth 2.0 https://oauth.net/2/
• OpenID Connect https://openid.net/developers/how-connect-works/

Providers:

• IdentityServer https://learn.microsoft.com/tr-tr/dotnet/architecture/cloud-native/identity-server
• Azure Active Directory https://www.microsoft.com/tr-tr/security/business/identity-access/microsoft-entra-id

Secrets Management:

• .NET Secret Manager https://learn.microsoft.com/tr-tr/aspnet/core/security/app-secrets?view=aspnetcore-9.0&tabs=windows
• Azure Key Vault https://azure.microsoft.com/en-us/products/key-vault

Transport:

• HTTPS https://tr.wikipedia.org/wiki/HTTPS
• TLS https://en.wikipedia.org/wiki/Transport_Layer_Security
• CORS https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/CORS

🚀 Deployment

Containers:

• Docker https://www.docker.com/
• Docker Compose https://docs.docker.com/compose/
• Docker Hub https://hub.docker.com/
• Azure Container Registry https://azure.microsoft.com/en-us/products/container-registry

Orchestration:

• Kubernetes https://kubernetes.io/
• Azure Kubernetes Service (AKS) https://azure.microsoft.com/tr-tr/products/kubernetes-service
• Helm https://helm.sh/

API Gateway:

• YARP https://github.com/dotnet/yarp
• NGINX https://nginx.org/
• Emissary-ingress https://www.getambassador.io/products/api-gateway

🧱 Infrastructure

• Azure CLI https://learn.microsoft.com/en-us/cli/azure/
• Terraform https://developer.hashicorp.com/terraform
• Task Scheduling / Background Services https://learn.microsoft.com/en-us/aspnet/core/fundamentals/host/hosted-services?view=aspnetcore-9.0&tabs=visual-studio

🔗 Communication

Synchronous:

• HttpClient https://learn.microsoft.com/en-us/dotnet/api/system.net.http.httpclient?view=net-9.0
• gRPC https://grpc.io/

Asynchronous / Message Brokers:

• RabbitMQ https://www.rabbitmq.com/
• Azure Service Bus https://learn.microsoft.com/en-us/azure/service-bus-messaging/service-bus-messaging-overview
• Apache Kafka https://kafka.apache.org/

Frameworks:

• MassTransit https://masstransit.io/

Real-time:

• WebSockets https://en.wikipedia.org/wiki/WebSocket#:~:text=WebSocket%20is%20a%20computer%20communications,Control%20Protocol%20(TCP)%20connection.
• SignalR https://dotnet.microsoft.com/en-us/apps/aspnet/signalr

📊 Observability

Logging:

• ILogger https://learn.microsoft.com/tr-tr/dotnet/core/extensions/logging?tabs=command-line
• Serilog https://serilog.net/

Centralized Tools:

• Seq https://datalust.co/seq
• Elastic Stack https://www.elastic.co/elastic-stack

Distributed Tracing:

• OpenTelemetry https://opentelemetry.io/
• Jaeger https://www.jaegertracing.io/

Monitoring:

• Prometheus https://prometheus.io/
• Grafana https://grafana.com/

Caching:

• Redis https://redis.io/

🔄 DevOps

Concepts:

• Continuous Integration https://learn.microsoft.com/en-us/dotnet/devops/dotnet-cli-and-continuous-integration?tabs=powershell
• Continuous Deployment https://www.coursera.org/learn/continuous-integration-and-deployment-with-aspnet-core

Services:

• GitHub Actions https://github.com/features/actions
• GitHub Packages https://docs.github.com/en/packages/learn-github-packages/introduction-to-github-packages

🧠 Design Principles

• SOLID https://en.wikipedia.org/wiki/SOLID
• SRP https://en.wikipedia.org/wiki/Single-responsibility_principle
• OCP https://en.wikipedia.org/wiki/Open%E2%80%93closed_principle
• LSP https://en.wikipedia.org/wiki/Liskov_substitution_principle
• ISP https://en.wikipedia.org/wiki/Interface_segregation_principle
• DIP https://en.wikipedia.org/wiki/Dependency_inversion_principle
• DRY https://en.wikipedia.org/wiki/Don%27t_repeat_yourself
• KISS https://en.wikipedia.org/wiki/KISS_principle
• YAGNI https://en.wikipedia.org/wiki/You_aren%27t_gonna_need_it
• DDD (Domain Driven Design) https://en.wikipedia.org/wiki/Domain-driven_design

🧩 Design Patterns

https://refactoring.guru/

• Singleton
• Repository
• Retries with Exponential Backoff https://docs.aws.amazon.com/prescriptive-guidance/latest/cloud-design-patterns/retry-backoff.html
• Circuit Breaker https://learn.microsoft.com/en-us/dotnet/architecture/microservices/implement-resilient-applications/implement-circuit-breaker-pattern
• Publisher-Subscriber https://learn.microsoft.com/en-us/azure/architecture/patterns/publisher-subscriber
• Saga https://microservices.io/patterns/data/saga.html
• Mediator https://github.com/jbogard/MediatR
• Competing Consumers https://learn.microsoft.com/en-us/azure/architecture/patterns/competing-consumers
• Event Sourcing https://github.com/oskardudycz/EventSourcing.NetCore

🏛️ Architectural Patterns

• Clean Architecture https://blog.cleancoder.com/uncle-bob/2012/08/13/the-clean-architecture.html
• Microservices https://microservices.io/
• Monolithic Apps https://en.wikipedia.org/wiki/Monolithic_application

📚 Essential Libraries

• Polly https://www.polly.ai/
• MediatR https://github.com/jbogard/MediatR
• FluentValidation https://docs.fluentvalidation.net/en/latest/

Making a conclusion

👨‍👦‍👦 Leave a comment, I am free for discussion with your any kind technical question.

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