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Doruk Tan Öztürk

Cyber Defense Engineer

Building apps, websites, and tools that 0 people use.

About Me

How It All Started

A journey from accidental malware to cyber defense, with music along the way.

2009age 7

Bonjour la Suisse

Family moved to Saint-Prex, a tiny village near Lausanne.

Became fluent in French before I could do math. Priorities.

2009age 7

I Got Hacked

Tried downloading Minecraft Beta. Got malware instead.

That L got me hooked on how computers break.

2010age 8

First Computer

Samsung NC10. 1.6GHz Atom, 1GB RAM, 10.2" screen.

My first own machine. It was fighting for its life running Kali.

2011age 9

My First Website

Built Code In Green, a tech blog about technology.

Hit my first 1000 visitors. 9 year old me lost his mind.

2014age 12

Nerd Arc Unlocked

Got into the EPFL Euler Mathematics Programme.

Because regular school wasn't stressful enough apparently.

2017age 15

Zürich Arc Begins

MNG Rämibühl, high school with Applied Math and Physics focus.

Back to the German part. Had to relearn how to say "bread".

2019age 17

Music Arc Unlocked

Launched Peak Twilight, my artist alias for lofi beats.

Started making beats in my bedroom. No expectations.

2019age 17

Ping Pong Coach

Started coaching at Young Stars Zürich (YSZ).

One of the biggest and oldest clubs in Switzerland. Still there.

2020age 18

Label Founder Era

Co-founded Soothe Records with artists from around the world.

18 year old me thought running a label would be easy. It was not.

0 streams on Spotify
2021age 19

Ok This Blew Up

Peak Twilight hit 1 million monthly listeners on Spotify.

Bedroom producer arc actually worked. What.

2021age 19

ETH and Self-Discovery

Started BSc Computer Science at ETH Zürich.

Realized I learn more building businesses than sitting in lectures.

2022age 20

Studio Founder

Co-founded Soothe Studios, the first in-house lofi label studio.

Mixed 150+ tracks. My ears have filed a complaint.

2023age 21

University Coach

Became table tennis trainer at ASVZ for UZH and ETH students.

Teaching students how to spin. The paddle, not their heads.

2024age 22

Wait, This Is a Job?

Switched from ETH to FHNW. Joined Migros as Cyber Defense Engineer.

Less theory, more building. Defending Switzerland's largest retailer.

Now

Currently Building

Security by day. Apps, AI tools, and beats by night.

I'll rest when I'm dead. Or maybe next week. Probably not.

Featured

Currently Building

TTStats
Full Stack

TTStats

0monthly users2nd Place Swiss Startup Award

Swiss Table Tennis statistics platform with web app + native iOS/Android apps (Kotlin Multiplatform). Tracking 5,500+ players, 69K+ matches across 249 clubs.

Kotlin MultiplatformNext.jsPythonFastAPI
View Project
BunzliMeter
Web App

BunzliMeter

0quiz takersSRF Radio Feature

Viral Swiss culture quiz featured on SRF Radio. Uses Gemini AI to analyze how "Swiss" your responses are.

Next.jsFirebaseFramerAI
View Project
Migros AI Product Search
Web App

Migros AI Product Search

0products indexedAI Agent

AI-powered product search for Migros with intelligent shopping list creation. An AI agent helps you find products and build shopping lists directly on the website.

Next.jsTypeScriptAI
View Project
PeakOps Dashboard
Infrastructure

PeakOps Dashboard

Full Observability25+ Services

Full infrastructure dashboard with real-time monitoring of all my 25+ services, system metrics, Docker containers, and operational status using Prometheus, Grafana, and Glances integration.

DockerGrafanaPrometheusTraefik
View Project
PlanSupport
Web App

PlanSupport

ArchitectureBusiness

Website for Swiss architecture firm specializing in execution planning, tender documentation, and construction management.

AstroGSAPThree.jsLenis
View Project
Peak Plugins - Lofinator
Music

Peak Plugins - Lofinator

Free VSTmacOS

Free VST/AU plugin that adds instant lofi sauce to any sound. One knob controls three effects: Saturate, Warmth, and Crush.

C++ReactTailwindFramer
View Project
Peak Twilight Homepage
Music

Peak Twilight Homepage

0streamsLive Spotify Stats

Personal artist homepage with live Spotify stats, animated backgrounds, and immersive music experience.

Next.jsTailwindFramerSupabase
View Project
Background

Where I've Been

Experience7 roles

Cyber Defense Engineer

Part-time
Migros-Genossenschaft-Bund·2024 — Present
  • Working in the Security Operations Center at MGB Security & Risk
  • Developing security monitoring and incident response tools for analysts
  • Centralised log management and automation of security processes

Web Developer & Software Engineer

Part-time
MrBrunch·2024 — 2025
  • Complete front-end redesign of the MrBrunch online store
  • Optimized webshop loading times by 5 seconds (8.3s → 3.3s)
  • Implemented AI-based chatbot for customer support

Co-Founder / Web Developer / Mix & Master Engineer

Part-time
Soothe Studios·2022 — 2025
  • Co-founded the first in-house mix & mastering studio for a lofi record label
  • Designed and built the Soothe Studios website (English & French)
  • Mixed and mastered 150+ tracks for Soothe Records and independent artists

Freelance Consultant / Head Community Moderator

Freelance
Sleep Tales·2022 — 2024
  • Consultancy services from idea to foundation of the company
  • Advised on strategic label-wide decisions and PR implications
  • Built the Discord server and helped organize live digital events
Education

BSc Computer Science - Design & Management

Part-time
FHNW·2024 — Present

Continuing BSc in Computer Science with a focus on Design & Management

Trinational KTUR Summer School Entrepreneurship

2 ECTS
FHNW / Uni Freiburg / Uni Strasbourg·2025

Cross-border entrepreneurship program across Switzerland, Germany, and France. Business model development, pitching, and market analysis.

BSc Computer Science

Full-time
ETH Zürich·2021 — 2024

Pursuing a BSc in Computer Science at Switzerland's leading technical university

Applied Mathematics & Physics

MNG Rämibühl·2017 — 2021

High-school education (Matura) with a focus on applied mathematics and physics

Euler Mathematics Certification Programme

EPFL·2014 — 2017

Completed the Euler Mathematics Certification Programme, deepening knowledge of mathematics and physics in parallel to secondary education

5 Languages

How I Say Hello

Hello
EnglishNative
Bonjour
FrenchNative
Merhaba
TurkishNative
Hallo
GermanC1
Grüezi
Swiss GermanB2
Hello
EnglishNative
Bonjour
FrenchNative
Merhaba
TurkishNative
Hallo
GermanC1
Grüezi
Swiss GermanB2
Featured
2nd Place
FHNW Swiss Startup Awards
TTStats - Swiss Table Tennis App
Swimlane SOAR Certified
Open Source Contributor
Math Olympiad Semi-Finalist
Piano Mention Excellence