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Mid-sized tax advisory business

E-commerce and tax platform

Complex e-commerce and tax processes needed to be represented transparently, securely and extensibly in one web platform.

Role
Lead Software Architect & Full Stack Engineer
Period
2025 to 2026
Industry
E-commerce and tax processing

Situation

Complex e-commerce and tax processes needed to be represented in a transparent and extensible web platform.

Responsibility

My scope covers overall architecture, backend and frontend, data modelling, business logic, authentication and technical operations.

Implementation

The platform is implemented as an integrated .NET and Blazor application with clearly separated business domains, PostgreSQL persistence, ASP.NET Core Identity, automated tests and documented interfaces.

Outcome

Overall technical responsibility delivers a maintainable and testable platform with clearly separated business domains and documented interfaces.

Some details have been abstracted for confidentiality.

Contact

Looking for support with a demanding software project?

I support architecture, modernisation, backend engineering and technical leadership engagements across German-speaking Europe — remotely or in a hybrid setup.

  • New projects by arrangement
  • Remote & hybrid
  • Mönchengladbach · North Rhine-Westphalia
  • German & English