Gallery

Images for context, places, and working style.

The gallery acts as a media archive for the portfolio: few, relevant motifs instead of a creator feed.

IT, Software & AI

IT, Software & AI

Workspaces, applications, and project views from the technical portfolio.

Kai Krauthausen explaining an architecture diagram to a group — Architecture and system designFrontend, backend, database, and API presented as a clear example of technical system architecture.

Kai Krauthausen with a laptop at a digital workspace — Technical consultingKai Krauthausen with a laptop at a digital workspace

Screenshot of the ColorLens mobile application — ColorLens – Android colour pickerCompleted Android showcase app for colour picking, built with Kotlin and Jetpack Compose.

Screenshot of the NetPulse mobile application with a network latency chart — NetPulse – network diagnosticsCompleted Android app for TCP ping, port scanning, DNS analysis, and Wi-Fi signal checks.

Start screen of the Nexus mobile application — NEXUS – personal todo OSActive personal todo OS with voice-first brain dump, AI-assisted sorting, and cross-device sync.

Settings screen of the Nexus mobile application — NEXUS – settings and providersConfiguration view of the active NEXUS mobile project with local settings and LLM providers.

Screenshot of the Pulse mobile application with health data — Pulse-Guard – blood pressure trackingCompleted local Android app for blood pressure tracking, built with Kotlin, Compose, and Room.

Export screen of the Pulse mobile application — Pulse-Guard – data exportExport and history view from the same completed blood pressure app for local health data.

Screenshot of the SensorDash mobile application with sensor data — SensorDash – live sensor dashboardCompleted five-sensor live dashboard built with Kotlin, Jetpack Compose, and Vico Charts.

Alternative view of the NetPulse mobile application — NetPulse – alternative project viewAdditional view of the completed NetPulse project for network diagnostics.

Alternative start screen of the Nexus mobile application — Nexus – alternative project viewAdditional view of the active NEXUS personal todo OS.

Alternative settings screen of the Nexus mobile application — Nexus settings – alternative viewAdditional configuration view of the active NEXUS mobile project.

Alternative view of the Pulse mobile application — Pulse – alternative project viewAdditional view of the completed Pulse-Guard project for blood pressure tracking.

Alternative export screen of the Pulse mobile application — Pulse export – alternative viewAdditional export view of the completed Pulse-Guard project.

Dashboard and architecture diagram of the autonomous AI agent system — Autonomous Multi-Agent AI SystemAutonomous multi-agent AI system with dedicated role routing, memory engine, and automated QA.

Construction & practical work

Construction & practical work

Documentation of construction assistance, assembly, and hands-on work on site.

Stacked timber and building material at a work site — Construction assistance and material workStacked timber and building material at a work site

Person on a ladder working on a small building — Working on a small construction projectPerson on a ladder working on a small building

Prepared area with construction rubble and timber remnants — Clearing and preparing a sitePrepared area with construction rubble and timber remnants

Construction rubble and timber remnants on a site overlooking the surroundings — Hands-on work on siteConstruction rubble and timber remnants on a site overlooking the surroundings

Sprouts in a jar as an example of practical preparation — Practical preparationSprouts in a jar as an example of practical preparation

Garden, farm & animals

Garden, farm & animals

Gardening, farm life, and practical work with animals.

Prepared garden bed with young plants and supports — GardeningPrepared garden bed with young plants and supports

Animal on a path in a green outdoor area — Everyday animal careAnimal on a path in a green outdoor area

Person holding a light-coloured animal outdoors — Working with animalsPerson holding a light-coloured animal outdoors

Animals on a farm property — Farm lifeAnimals on a farm property

Person with a dog in a green outdoor area — Close contact with animalsPerson with a dog in a green outdoor area

Small animals behind wire fencing — Animals in an enclosureSmall animals behind wire fencing

Animals in an open area with a feeding station — Care work on the propertyAnimals in an open area with a feeding station

Hand feeding animals in a meadow — Animal care outdoorsHand feeding animals in a meadow

Fresh herbs and plants on a table — Herbs and plantsFresh herbs and plants on a table

Gastronomy & cooking

Gastronomy & cooking

A look at preparation, cooking, and service work.

Prepared food in pots and bowls — Kitchen preparationPrepared food in pots and bowls

Warm dish in a pot during preparation — Preparing a warm dishWarm dish in a pot during preparation

Table with crockery, ingredients, and prepared food — Breakfast and mise en placeTable with crockery, ingredients, and prepared food

Plated meal with salad and warm side dishes — Meal ready to servePlated meal with salad and warm side dishes

Freshly prepared pasta dish from the kitchen — Freshly prepared pasta dishFreshly prepared pasta dish from the kitchen

IT tutoring

IT tutoring

Examples of IT tutoring and exam preparation.

Online IT tutoringMobile view of an IT tutoring profile

Mobile view of an IT and AI tutoring offer — Tutoring offer for IT and AIMobile view of an IT and AI tutoring offer