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Selected work

Project overview / AI-powered German learning

MsoPak

An AI-powered German-learning platform built and launched for Albanian-speaking learners.

Explore the engineering
My role
Co-Founder / Software Engineer
Product focus
AI-powered German learning
Period
2026–Present
Core technologies
React Native · Expo · NestJS
Product showcaseMsoPak
MsoPak product presentation and application interfaces
MsoPak — AI-powered German learningView full image (opens in a new tab)

01 / The problem

A real need.
A focused solution.

Albanian-speaking learners need structured German practice, exam preparation, and a way to track their progress.

02 / Engineering approach

How I built it.

Built the mobile app, backend architecture, database, authentication, payments, and AI integrations. Gemini AI supports language practice, with RevenueCat handling subscriptions.

My roleCo-Founder / Software Engineer

03 / Product capabilities

What I built.

  1. 01

    A1–B1 exam preparation

  2. 02

    Vocabulary and flashcards

  3. 03

    AI language practice and community

  4. 04

    Subscriptions, notifications, and progress tracking

04 / Technology stack

The tools behind
the product.

  • React Native
  • Expo
  • NestJS
  • TypeScript
  • PostgreSQL
  • Prisma
  • Gemini AI
  • RevenueCat
  • Firebase
  • Next.js

Keep exploring

Another product.
A different problem.

All projects

Local service marketplace

KerkoMjeshter

04 / Let’s connect

Have a product to build?
Let’s talk.

For engineering opportunities, collaborations, or a project you’d like to bring to life.

Email me
berni.kastrati20@gmail.com ↗

Podujeva, Kosovo

LinkedIn ↗GitHub ↗