Founder & Engineer 
I build reliable websites, marketing technology, and AI-native systems.
75+ websites built and conversion tracking systems deployed for agencies and businesses across Germany and international markets.
Overview
I'm Sultan Kautsar, a Founder & Engineer focused on web engineering, marketing technology, and AI-native development.
I build reliable digital systems across websites, infrastructure, analytics, tracking, automation, and marketing tools.
I choose technology based on the problem and the desired outcome, with a focus on simplicity, reliability, and efficient execution. AI is an active part of my engineering workflow for research, development, debugging, automation, and system design.
In numbers
- 75+
- Websites built and maintained
- 350+
- Clients served all the time
- 2018
- Building for the web since
Currently
- Marketing Technology Engineer MediaConversion, Hamburg
- Software Engineer FlexyPack, Jakarta
- Founder & Engineer Rayatiga
Selected work
- Privacy-First Tracking for a German Dental Practice Consent & tracking · Healthcare
- Consent and Conversion Tracking for a Moving Company Consent & conversions · Moving
- Repairing the Tracking Chain for a Yoga School Tracking audit · Yoga education
- Tracking Standards for a Performance Marketing Agency Event standards · Agency