Stylianos Tsoumanis
Full-stack engineer
Built withclarity
and character.
Based in Greece
Thoughtful software for people who care how the work feels.
Currently
Building Aska, a visual workspace for collecting images, notes, links, and other references.
Focus
Product-minded engineering with clear interfaces, solid foundations, and care in the details.
Toolkit
I work mainly with TypeScript, React, and modern web tooling. See the tools I use.
Work
A few things I have built and keep improving when there is more to explore.
Client work I have helped design, build, and ship for real product and business needs.
ToolSafe
A deterministic analyzer for OpenAPI specs that asks a specific question: is this API safe enough to expose to autonomous agents?
View morelink4.it
A production-grade URL shortener with analytics, tags, QR codes, a CLI surface, and agent-facing MCP ambitions.
View moreTapi
A lightweight alternative to Postman designed for fast keyboard-centric HTTP work in the terminal.
View moreA polished storefront and editorial catalog for an independent homeware studio, with a faster product discovery flow and simpler content updates.
View workNorthline Health
A focused internal dashboard for a healthcare operations team, turning scattered intake data into review queues, status tracking, and daily reporting.