Senior Backend Engineer · Full-Stack
C#/.NET · TypeScript/Node.js · AI/LLM Integration
I build backend systems in ASP.NET Core and Node.js and ship LLM features on top of them.
11 years in software, a decade of it in C# and .NET · Berlin, Germany

Open to senior backend, full-stack and AI-integration roles across Germany — on-site, hybrid or remote · authorized to work in Germany, available immediately

DevSpace  ·  A Windows app for developers who juggle several projects a day: each project keeps its own tools (one click each, reusable as templates), credentials and a built-in visual Git client, so switching takes a click instead of a setup ritual. It finds 100+ installed tools in under 3 seconds and encrypts each project's credentials with the ASP.NET Core Data Protection API. In public preview. .NET 9 ASP.NET Core Electron React 18 TypeScript Git

SpireWiz  ·  Co-engineered at Optimizely: an upgrade-automation tool for Configured Commerce. A three-way merge resolves conflicts first; the OpenAI APIs settle only what the merge cannot, for a developer to review. Up to 80% shorter upgrade cycles across 25+ enterprise clients. Python OpenAI Platform APIs git three-way merge

@strix-ai/currentdt-mcp  ·  A co-authored open-source MCP server that gives AI assistants like Cursor, Claude and VS Code real-time date and time. Published to npm; listed on the LobeHub and MSeep MCP registries. TypeScript Node.js MCP

HyperCache  ·  An open-source reference implementation of SQL Server change-tracking (Delta) caching: repeat queries on a 1M-row table drop from ~3.6 s to single-digit milliseconds. .NET 9 EF Core 9 SQL Server Blazor

• Microsoft Certified: Azure Fundamentals · verify
• Optimizely Opal Tools Certified 2025 · verify
• Optimizely Opal Certified Administrator 2025 · verify

BugBusters — Clean Architecture Q&A platform, .NET 7 + React 18 · EmailEngine — Outlook → Elasticsearch sync via Microsoft Graph webhooks · ProtoCore.NET — code-first gRPC boilerplate for .NET 7