You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Kai KempeKK

Kai Kempe

AI Automation Developer

€150/day
Madrid, ES
0-2 years

Average response time: 1 hour

About Kai

I ship software end-to-end, from idea to deployed product. Recent work: a paid macOS menu bar app distributed to university students (Python, Playwright, Lemon Squeezy payments, code-signed .dmg, Netlify) and an iOS social driving app built solo in React Native and TypeScript (~44k lines, Supabase Realtime, App Store pipeline). I handle the full stack: backend automation, browser scraping, mobile frontends, payments integration, and deployment. Native German and English speaker, useful if you need someone who communicates clearly across the DACH market. Available for automation scripts, macOS/iOS apps, backend integrations, and AI tooling.
  • German

    Native or bilingual

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • BB Tracker (Solo Project)
    Solo Developer
    April 2026 - Today (2 months)
    Madrid, Spain
    Native macOS menu bar app distributed to IE University students: surfaces live grades, weighted averages, and attendance from Blackboard Ultra. Built end-to-end solo: Python/Playwright browser automation against Microsoft SSO, native macOS UI with Cocoa/WebKit, payments via Lemon Squeezy, in-app auto-updater, and .dmg distribution. ~5,700 lines across 10 modules.
    Python Playwright REST APIs Git AI/Machine Learning
  • Project Apex (Solo Project)
    Solo Developer
    November 2025 - Today (7 months)
    Madrid, Spain
    iOS social driving app built solo in React Native and TypeScript. Core features include real-time GPS tracking with background recording, sprint timing with accelerometer-assisted launch detection (±40ms accuracy), live group convoys with push-to-talk audio over Supabase Realtime, segment leaderboards, and a full gamification system (XP, 108 achievements, season leagues). ~44,000 lines of TypeScript across 186 source files, 32 screens, 38 database tables. Pending App Store submission.
    Typescript React Native Supabase Git REST APIs
  • IEU LABs — Startup Lab
    Student Entrepreneur
    January 2026 - Today (5 months)
    Madrid, Spain
    • Conducting discovery research and customer validation for a B2B SaaS venture in workflow automation
    • Applying lean startup methodology: market sizing, competitor analysis, user interviews, and iterative product scoping
    Business Strategy Market analysis

Recommendations

Be the first to recommend Kai

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Dual Bachelor — Business Administration and Computer Science & AI
    IE University
    Dual Bachelor — Business
  • International Baccalaureate (IB) Diploma
    Munich International School
    2025
    International Baccalaureate (IB) Diploma

Skill set

Categories