Hamid Yosefsei

seid.dev hyos.tech

Hi, I'm Hamid Yosefsei. 👋

Software engineer & founder. I build products with conviction and the infrastructure to run them— privacy-first, German-market focused, no bloat.

Projects

Open-source tool for generating ready-to-import Bricks Builder JSON templates — pre-built sections, design tokens, and an optional AI mode.

Open Source
Next.js
TypeScript
AI
Bricks Builder

Cross-agency platform for secure collaboration — digital case management and inter-agency liaison (Amtshilfe 2.0).

Next.js
TypeScript
PostgreSQL
Prisma
RBAC

Dolmetschernetz

Marketplace for professional interpreters — instant booking, payment protection, and video interpreting across Germany.

Marketplace
TypeScript
Next.js
SaaS

AI-powered letter generator — formal letters for cancellations, objections, and legal matters in under a minute.

SaaS
AI
TypeScript
Next.js

Writing

Mar 08, 2026More posts coming soon

I care about clean architecture, user-facing simplicity, and software that respects people — no dark patterns, no surveillance, no bloat.

My flagship products are Brieffix (AI letter generator for German bureaucracy) and Dolmetschernetz (Germany's interpreter marketplace).

Work history →