Software Consultancy
C#
.NET
Java
React
Angular
TypeScript
AWS
Azure
GCP
Docker
Kubernetes
Microservices
Specializes in back-end development with a holistic approach as a full-stack software engineer and experienced software architect. His expertise spans enterprise software development, data management systems, CRM solutions, quality assurance, fintech, and ERP systems. Fluent in English and German.
Key Capabilities
- C#, .NET Core, ASP.NET MVC, WebAPI, Blazor, EF Core, LINQ
- Clean Architecture, CQRS, DDD, Repository Pattern, Mediator Pattern
- Java (Spring Boot, JPA, Hibernate)
- RESTful API design and implementation
- gRPC and GraphQL
- React.js, Angular, Typescript, JavaScript, JQuery, Material UI
- Blazor (for full-stack .NET solutions)
- Responsive design principles
- SQL Server (T-SQL), PostgreSQL (PL/pgSQL), MySQL, SQLite
- NoSQL databases: MongoDB, Firestore, Realm
- Database performance tuning and query optimization
- Complex joins, CTEs, window functions, JSON data handling
- Google Cloud Platform (GCP): Compute Engine, Cloud SQL, Pub/Sub, Kubernetes, Docker
- Amazon Web Services (AWS): EC2, ECS, S3, Glue, Lambda
- Microsoft Azure: App Services, Azure Functions, Azure SQL Database, Azure Kubernetes Service (AKS), Azure Blob Storage, Azure Active Directory, Azure DevOps, Azure Key Vault, Azure Monitor
- Terraform, CloudFormation, Pulumi
- CI/CD Pipelines: GitLab CI, GitHub Actions, Azure DevOps, Jenkins
- Docker, Kubernetes, VirtualBox, Windows/Linux Servers
- Microsoft Dynamics CRM/365
- OpenAI API, Limesurvey
- OAuth2, JWT, Identity Server
- Payment gateway integrations
- Microservices architecture design
- System design for high scalability and performance
- API rate limiting, caching (Redis, RabbitMQ, Kafka)
- Performance tuning (EF Core, LINQ optimisations, database indexing)
- Unit testing: NUnit, xUnit
- Frontend testing: Jest, Cypress, Playwright
- CI-integrated test automation
- System design and architecture decisions
- End-to-end feature ownership from concept to deployment
- Cross-functional collaboration with QA, DevOps, Product teams
- Code reviews, mentoring, and team leadership
- Cloud cost optimisation and fault-tolerant architecture
