Jan de Boer
Software development & more
I build applications and products from the data model to the user experience – aiming to make things simpler, more reliable and more flexible.
My current focus
Dayavue
Day planning for your iPhone
Your day. And everything in between.
Appointments, tasks and the journeys between them – in one calm daily overview. Dayavue accounts for preparation, travel time and buffers, turning your calendar into a realistic plan.
- iPhone · iOS 17+
- Calendar & Reminders
- Beta on request
University projects
Three team projects on music networks, bicycle theft and train delays. Demos on request.
Visual analytics · Music
VAST Music Analysis
Exploring influence between artists, genres and careers in a large music network.
Geoinformatics · Maps
Bike Theft Berlin
Bicycle theft in Berlin on an interactive map, filterable by period, bicycle type and other attributes.
Data visualization · Mobility
ICE Delays
ICE train delays by station and route section on an interactive map.
More independent projects
Ambient lighting for the Mac, chess analysis and link management – built out of my own needs.
Mac app · Ambient lighting
Backglow
Mac app that reads the edges of the screen in real time and lights an LED strip behind the monitor to match.
Web application · Chess
Chess Analytics
Replay games, analyse Lichess profiles and find recurring mistakes.
Self-hosting · Tool
Shortlinks
Self-hosted link shortener with management and visit counts.
Approach
From problem to production: understand the requirements, structure data and logic cleanly, build a clear interface and run the application reliably.
About meContact
Open to early-career roles in software development and to concrete project enquiries.
contact@jandeboer.de