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Software, curiosity & little things from Prishtina.

A little about me

Hello, I’m Erzen.

A software engineer in Prishtina, Kosovo. I build complete systems, from the lower-level software underneath to the interface a person actually touches.

Erzen Krasniqi

I started by taking software apart on the web. That curiosity kept moving into APIs, deployment systems, AI infrastructure, a Rust operating system, Unity and Roblox games, and the research tooling behind two peer-reviewed optimization papers.

I care about software that feels obvious: fast, quiet, and built to last. Good interfaces and strong engineering should make the machinery feel simple.

Experience

Actual career dates, presented in this era’s design.

  1. 2024 - Present

    Fullstack Engineer / 91life

    Own product work end to end for a digital health platform: translating clinical and operational requirements into typed data contracts, production APIs, accessible interfaces, AI-assisted workflows, and reliable releases.

    React · TypeScript · Next.js · Python · PostgreSQL
  2. 2022 - 2025

    Research Contributor / University of Prishtina

    Co-authored two peer-reviewed optimization papers and built reproducible instance-generation and validation tooling for photo-slideshow and urban traffic-signal benchmarks.

    JavaScript · Algorithms · Metaheuristics · Benchmarking
  3. 2022 - 2024

    Freelance Developer / Upwork & independent clients

    Delivered web products for international clients across commerce, dashboards, internal tools, and SaaS. Owned the work from discovery and interface design through implementation, deployment, and iteration.

    React · Vue.js · Node.js · MongoDB · AWS

How I can help

  • End-to-end product engineering
  • Systems and infrastructure
  • AI product architecture
  • Game systems and tooling
  • Applied research and prototyping
  • Design systems and interaction

On the workbench

  • Rust, C#, Go, and TypeScript
  • React, Next.js, Hono, and Convex
  • PostgreSQL, Redis, and embedded storage
  • Docker, Linux, QEMU, and self-hosted systems
  • Unity 6, Roblox Studio, and Rojo
  • Figma and systems-oriented interface design
  • OpenAI, Anthropic, Gemini, and local models