05.11.2025 aktualisiert
100 % verfügbar
Senior Backend .NET Engineer - Cloud-Native & Distributed Systems
Wahnsdorfe Straße, Deutschland Master of Science in Artificial Intelligence
Über mich
Senior Backend .NET engineer with 12+ years of experience in telecom, DNS infrastructure, and HealthTech. the years I’ve grown from a .NET developer into a senior/tech lead, and now I’m co-building HearLoveen, a HealthTech platform for families of children with hearing impairments.
Skills
Asp.NetJavascript.Net FrameworkKünstliche IntelligenzApplication Performance ManagementArchitekturMicrosoft AzureC#Cloud ComputingCode-ReviewContinuous IntegrationCqrsDevopsDistributed ComputingLanguage Integrated QueryDNSGithubInfrastrukturPythonPostgresqlLoadtestingMicrosoft Sql-ServerNunitOauthQualitätsmanagementAbfrageoptimierungRabbitmqRole Based Access ControlRedisOpenid ConnectPrometheusSwaggerJson Web TokenTypescriptOpenapiAzure Service BusDaten- / DatensatzprotokollierungTestenTransport Layer SecurityMetrikenPostmanReactJSLarge Language ModelsGrafanaMontage und DemontageCachingIndexerBackendGitlabGitMoqMaterial UIKubernetesInfrastrukturautomatisierungs-FrameworksApache KafkaFront EndRestful ApisSicherheitsbestimmungenTerraformRefactoringDockerJenkinsWeb Api
Backend Development & Architecture
Expertise in C#, .NET, ASP.NET Core, Web APIs, LINQ, Clean Architecture, layered architecture, DDD basics, CQRS, and MediatR for building scalable backend systems
Cloud & DevOps
Proficiency in Azure services including App Services, AKS, Functions, Key Vault, Service Bus, Application Insights, Docker, Kubernetes, Helm, CI/CD with GitHub Actions, Azure DevOps, Jenkins, and Infrastructure as Code with Terraform
Data & Messaging Systems
Advanced knowledge in SQL Server, PostgreSQL schema design, indexing, query optimization, Redis caching, background workers, messaging with Kafka, RabbitMQ, and Azure Service Bus
Testing & Quality Assurance
Experience with xUnit/NUnit, Moq, FluentAssertions, TestContainers, integration and contract tests, load testing, code review and refactoring practices
Frontend & Integration
Knowledge of React, TypeScript, modern JavaScript, UI libraries like Material UI and Ant Design, REST API integration
Security & Observability
Implementation of OAuth2, OpenID Connect, JWT, role-based access control, Azure Key Vault, HTTPS/TLS, logging, metrics, tracing with Prometheus, Grafana, and App Insights
AI & Tooling
Python for scripts and AI tasks, AI/LLM/STT integrations with OpenAI and Whisper into .NET backends, Git, GitHub/GitLab, Postman, Swagger/OpenAPI
DNS Infrastructure
Specialized experience in DNS reliability at scale, working with ISP-grade DNS systems handling millions of queries per day, backend and SRE practices
Expertise in C#, .NET, ASP.NET Core, Web APIs, LINQ, Clean Architecture, layered architecture, DDD basics, CQRS, and MediatR for building scalable backend systems
Cloud & DevOps
Proficiency in Azure services including App Services, AKS, Functions, Key Vault, Service Bus, Application Insights, Docker, Kubernetes, Helm, CI/CD with GitHub Actions, Azure DevOps, Jenkins, and Infrastructure as Code with Terraform
Data & Messaging Systems
Advanced knowledge in SQL Server, PostgreSQL schema design, indexing, query optimization, Redis caching, background workers, messaging with Kafka, RabbitMQ, and Azure Service Bus
Testing & Quality Assurance
Experience with xUnit/NUnit, Moq, FluentAssertions, TestContainers, integration and contract tests, load testing, code review and refactoring practices
Frontend & Integration
Knowledge of React, TypeScript, modern JavaScript, UI libraries like Material UI and Ant Design, REST API integration
Security & Observability
Implementation of OAuth2, OpenID Connect, JWT, role-based access control, Azure Key Vault, HTTPS/TLS, logging, metrics, tracing with Prometheus, Grafana, and App Insights
AI & Tooling
Python for scripts and AI tasks, AI/LLM/STT integrations with OpenAI and Whisper into .NET backends, Git, GitHub/GitLab, Postman, Swagger/OpenAPI
DNS Infrastructure
Specialized experience in DNS reliability at scale, working with ISP-grade DNS systems handling millions of queries per day, backend and SRE practices
Sprachen
Englischgut
Projekthistorie
Building a HealthTech platform for families of children with hearing impairments in a small team with therapists and engineers, developing modular ASP.NET Core backend with clean architecture, CQRS/MediatR, EF Core, PostgreSQL, Redis, secure REST APIs, and AI integrations
Worked in cross-functional squad on ISP DNS configuration migration from legacy tools to ASP.NET Core services with EF Core/Dapper, messaging, API gateway with routing, JWT/OAuth2/OIDC, rate limiting, AKS deployments, Redis caching, and internal React/TypeScript tools
Planned and executed gradual extraction of .NET monoliths into smaller ASP.NET Core services, worked on feature delivery balance with reliability and technical debt, improved transaction and reporting modules on .NET and SQL Server with caching and background jobs