13.09.2026 aktualisiert
100 % verfügbar
Senior .NET Core & Azure Engineer | C#, ASP.NET, React, Clean Architecture
Schmalkalden, Deutschland
Weltweit
| Postgraduate Diploma in Advanced Software EngineeringÜber mich
Senior full-stack engineer in Schmalkalden, Germany. 9+ years building enterprise APIs across insurance, government, and SaaS domains. Clean .NET Core and React code teams can own long after delivery. Available for remote contracts across Europe. Can start immediately.
Skills
Clean ArchitectureAzure FunctionsAzure DevOpsAsp.NetMicrosoft AzureC#Microsoft Sql-ServerTypeScript.NET CoreReact.jsAsp.Net Web ApiFull Stack EntwicklungDocker
Senior Full-Stack Software Engineer with 9+ years of experience designing and delivering enterprise-grade systems across insurance, government, airline, retail, and traffic management domains.
Core expertise:
- Backend: .NET Core 8 / C#, ASP.NET Web API, Clean Architecture, CQRS with MediatR, Entity Framework Core, FluentValidation
- Frontend: React, TypeScript, TanStack Query, Vite
- Cloud & Infrastructure: Microsoft Azure (App Service, Azure SQL, Blob Storage), Docker, Kubernetes
- Databases: SQL Server, PostgreSQL, Oracle, MongoDB
- Architecture patterns: Clean Architecture, Repository pattern, Unit of Work, multi-tenant SaaS design
Domain experience:
- Life insurance rating and quotation APIs (.NET Core 8, Oracle, EF Core)
- Government road risk assessment tools (ReactJS, .NET, security-hardened architecture)
- Enterprise attendance and appointment management systems
- Multi-tenant SaaS architecture with GoBD-compliant document archiving
Recent projects:
- Built a production-ready Clean Architecture .NET Core 8 API with JWT authentication, CQRS, Docker, and dual SQL Server / PostgreSQL support
- Developed a full-stack appointment management system with React TypeScript frontend, Recharts dashboard, and TanStack Query data layer
- Currently architecting HandwerkerMate — a German e-invoicing SaaS supporting XRechnung and ZUGFeRD formats for the mandatory 2027/2028 B2B e-invoicing deadline
Working style:
- Experienced working remotely with distributed teams across Australia, Sri Lanka, and Europe
- Comfortable with agile delivery, sprint-based development, and async communication
- Available for short-term and long-term contracts, part-time and full-time engagements
- Can start immediately
Based in Schmalkalden, Germany. Available for senior contract and consulting engagements. European timezone. Fluent in English, basic German.
MSc Applied Computer Science — Hochschule Schmalkalden (in progress)
GitHub: https://github.com/madhu684
Erfahrung
Berufserfahrung5 - 10 Jahre
Freelancer seit2026
Sprachen
DeutschGrundkenntnisseEnglischgutSinghalesischMuttersprache
Projekthistorie
Contributed to the Austroads Temporary Traffic Management System and Transport for NSW system. Engineered scalable systems for auditor registration and road safety audit management. Designed and implemented microservices with ASP.NET Core and SQL Server. Improved deployment speed through CI/CD automation with Azure DevOps. Increased user engagement with ReactJS-based UI enhancements.
Engineered a seat reservation and booking system, improving transaction speed by 40%. Enhanced system performance by designing scalable APIs and optimizing data processing efficiency. Automated CI/CD pipelines using Azure DevOps, reducing deployment time by 60%. Integrated real-time logging and monitoring, decreasing system failures.
Automated hiring and HR workflows in Gravity BI, boosting efficiency. Enhanced system scalability through microservices development with Node.js and MongoDB. Optimized API performance, reducing response times. Implemented AWS cloud solutions and refined database queries and functions.