Project Overview
This project was carried out for a large, DAX-listed energy corporation in Germany operating in a highly regulated, business-critical environment.
I worked as a Senior Fullstack Developer, developing and maintaining enterprise web applications with ASP.NET Core, C#, React, and Azure services for core operational processes.
The focus of the project was fullstack application development, REST API design, frontend implementation, and production system reliability with emphasis on stability, scalability, security, and long-term maintainability.
Responsibilities & Contributions
- Developed and maintained enterprise web applications using ASP.NET Core, C#, and Azure services
- Designed and implemented REST APIs for backend services and third-party integrations
- Built responsive frontend interfaces with TypeScript, Razor Pages, and modern web standards
- Integrated Dynamics 365 with custom .NET applications via REST APIs and OData services
- Implemented WCAG 2.1 accessibility standards across the application stack
- Optimized SQL Server database queries and data access layer performance
- Automated infrastructure provisioning with Terraform for Azure resources
- Designed and maintained CI/CD pipelines in Azure DevOps with automated testing and deployment
- Monitored production systems using Application Insights and Azure Monitor with custom alerting
- Investigated and resolved production incidents, reducing system downtime through preventive measures
- Collaborated with cross-functional teams including infrastructure, security, and business stakeholders
- Conducted code reviews ensuring code quality, security standards, and maintainability
Technical Focus
The project required delivering fullstack enterprise applications that balance modern development practices with strict enterprise requirements.
Key technical challenges included:
- Building scalable REST APIs and responsive frontends within a highly regulated environment
- Integrating multiple systems (Dynamics 365, custom applications, third-party services) seamlessly
- Ensuring WCAG accessibility compliance across all application components
- Maintaining database performance and data integrity under high operational load
- Implementing zero-downtime deployments for business-critical applications
- Balancing feature delivery with production stability in a long-running enterprise system
Built With
Outcome & Impact
- Successful delivery of fullstack enterprise web applications serving daily operational processes
- Improved REST API design and frontend user experience with modern web standards
- Enhanced accessibility compliance across all application components (WCAG 2.1)
- Optimized database performance and reduced query execution times
- Increased deployment reliability through automated CI/CD pipelines
- Strengthened production stability through proactive monitoring and incident prevention
- Seamless third-party integrations enabling efficient business workflows
Notes
Due to contractual and confidentiality obligations, specific internal details, metrics, and screenshots cannot be disclosed.
The description above focuses on technical scope, responsibilities, and architectural relevance rather than proprietary information.