drag to rotate · hover a lobe · pick what you need
01 / Live · 3 in production
Stefan, the software engineer.
Three live sites, built for a nation, a startup, and a local trade.
02 / Studio · graphics & reels
Stefan, the graphic designer.
Graphics, banners, and reels, all designed and edited by me.
drag · click to open
03 / Toolbox · 44 tools
Stefan, the polyglot.
I learned all these tools, only to become my family's unpaid tech support.
drag to spin · it never stops
04 / Work · 2022 → now
Stefan, the story so far.
Five chapters so far: what I built, the role I played, and what lasted.
- 2026
doniraj.vezilka.ai
End-to-end design and development
Live and collecting the corpus used to train a national language model.
- 2026
rulian.ai
Co-founder
An AI operator built to give small businesses the leverage of a larger team.
- 2026
Amazon Analysis Tool
Contract Software Engineer
Turning Amazon marketplace data into practical insights for smarter product decisions.
- 2025
Fintellect - The FCSE RAG
Researcher and builder
Built for my faculty, tested by its students, and published at CIIT 2026.
- 2022-2025
Upwork
Freelancer
Three years, five disciplines, and enough client deadlines to make everything above look calm.
05 / Research
Stefan, the researcher.
Apparently, building things was not enough. Two papers published, one in review, all before my frontal lobe is fully developed.
Fig. 1 · Papers, 2025 → 2026. Measured, like everything else here.
themes: efficiency under constraints · retrieval systems · heritage through ai
06 / Contact
Stefan, at your service.
Two messages are all it takes: what you need and where I should reply.
press Enter to send · Shift+Enter for a new line