Raf
Bielec
// Senior Software Engineer
20+ years in .NET — from .NET Framework 1.1 to whatever comes next. Senior engineer, occasional team lead or IT manager. These days the interesting question is figuring out where AI actually belongs in real software development teams and businesses. Polish by origin, British by choice.
// xenium_2025
At Xenium 2025 in Łódź — a demoscene demoparty where coders compete in real-time demos, graphics, and music.
Some things still run on the Amiga.
20+
years in .NET
C# 14
.NET 10 LTS
BPMN
business process modelling
AI
assisted workflows
// areas of focus
20+ yrs .NET
C#, ASP.NET, Azure, MS SQL. Started with .NET Framework 1.1 and followed the platform as it became genuinely cross-platform and excellent.
BPMN & Processes
Business process modelling. Translating how organisations work into clear, structured models that can actually be improved.
AI-Assisted Dev
LLMs, Claude, Grok, AI-driven workflows. Finding where AI genuinely accelerates engineering and where it doesn't.
Rust
CLIs, TUIs and backend services. Picking it up by building real things, not just tutorials.