Designer and engineer building calm, precise software.

Currently fullstack engineer at 91life, working from Prishtina, Kosovo.

Email Résumé ↗

Now

July 2026

Building: GenOS, a from-scratch operating system in Rust, alongside product work at 91life
Shipping: Self-hosted infrastructure: overseer for fleet control, opencel for deployments
Thinking about: Production-grade infrastructure, AI systems, and software that respects its users

Years in practice

Since 2022

Case studies

Documented on this site

Public repositories

TypeScript, JavaScript, Rust

GitHub followers

@ErzenXz

Live from the GitHub API, cached hourly.

Selected work

Four products and systems, selected for range and depth.

91life

Digital health platform

Patient-facing web app for scheduling, records, and asynchronous care. Shipped a cohesive design system and rebuilt core flows for speed and accessibility.

Next.js / TypeScript / PostgreSQL / tRPC

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Atlas

AI writing workspace

A fast, keyboard-first writing surface with inline AI assistance, versioned drafts, and a calm editor that gets out of the way.

Next.js / TypeScript / PlateJS / OpenAI

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Signal

Design system

A token-driven component library with documented accessibility, motion, and composition rules. Shipped across multiple products.

React / TypeScript / Radix UI / Tailwind

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Ledger

Personal finance OS

A private-by-default finance dashboard for aggregating accounts, classifying transactions, and planning ahead - without shipping your data anywhere.

Next.js / TypeScript / DuckDB-WASM / SQLite

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All project details

Experience

2024 - Present
Fullstack Engineer
91life, Prishtina, Kosovo
Building scalable web applications and shaping frontend architecture for a digital health platform. Contribute to core product surfaces, establish engineering conventions, and invest in accessibility and performance.
React / TypeScript / Next.js / Node.js / PostgreSQL
2022 - 2024
Freelance Developer
Upwork & independent clients, Remote
Delivered custom web products for clients worldwide - e-commerce, dashboards, SaaS tools. Owned projects end-to-end from discovery to deployment.
React / Vue.js / Node.js / MongoDB / AWS

Working range

One practice across software, interfaces, and product decisions.

Languages

Typed, maintainable application and systems work.

TypeScript
JavaScript
Python
Go
SQL

Frameworks

Modern web products with pragmatic architecture.

Next.js
React
Node.js
NestJS
Tailwind CSS

Infrastructure

Data, deployment, prototyping, and design tooling.

PostgreSQL
Redis
Docker
AWS
Vercel
Figma

Practice

The disciplines that make software coherent over time.

Design systems
Developer experience
AI tooling
Performance

Have a product that needs both engineering rigor and design judgment?

I am open to focused product work, collaborations, and roles where design and implementation are treated as one discipline.

erzen.krasniqi04@gmail.com

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