20+ years of projects across systems programming, full-stack web, mobile and DevOps — browse the full Project CV →
const stefan = {
role: "Full-Stack Developer & Systems Engineer",
nickname: "Knicki",
location: "Germany",
focus: ["TypeScript", "Node.js", "C/C++", "Go", "Flutter"],
currently: ["FlyingFish", "NjsFsCrypt", "VTS Editor", "FigTree"],
learning: ["Rust-style ownership in Go", "LLM tooling", "FUSE internals"],
fun_fact: "I once wrote a Node.js binding to the ROHC C library — for fun.",
};- Currently working on FlyingFish, NjsFsCrypt and VTS Editor
- Exploring LLMs, vector databases and Flutter / Dart
- Open to collaboration — see my Project CV
- Reach me on dev.to or via the links below
Languages
Frameworks & Runtime
Data & Infra
Mobile & Creative
| Project | Description | Stack |
|---|---|---|
| FlyingFish | Reverse-proxy manager with WebUI, DNS, SSH, DynDNS, UPnP and Let's Encrypt | TypeScript · Node.js · Nginx |
| NjsFsCrypt | Encrypted FUSE filesystem with AES-256-GCM, CLI & embeddable API | TypeScript · Node.js · FUSE |
| VTS Editor | Visual schema editor with TypeScript code generation | TypeScript · Vite |
| node-rohc | Node.js binding to the ROHC header-compression C library | C · C++ · TypeScript |
| FigTree | Server core: config, DB, logging utilities for Node.js backends | TypeScript · Docker |
| mozilla-webext-types | Typed definitions for Firefox / Thunderbird WebExtensions API | TypeScript |
Full list: PROJECTCV.md
This profile and several of my projects integrate AI tooling — local LLMs, vector databases and chunked retrieval pipelines for in-house assistants. Curious? Open an issue or message me.
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