MäiCongé.lu
Leave & overtime managementA Luxembourg-focused workspace for leave, overtime, approvals, and public holidays, designed to give teams a clearer multilingual way to manage time off without spreadsheet drift.
Explore projectI’m Georges Jentgen.
Software architect. Digital coach.
Serial entrepreneur.
Useful software, playful worlds, and practical AI. I build things that turn a good idea into something you can use.
Selected work / 01
Built to be used. Made to be explored.
Products, apps, and games by Georges Jentgen.
A Luxembourg-focused workspace for leave, overtime, approvals, and public holidays, designed to give teams a clearer multilingual way to manage time off without spreadsheet drift.
Explore project
An operations platform for search-and-rescue dog teams, bringing planning, alarms, live team tracking, trail review, and clear records into one command workflow.
Explore project

Solve Sudoku lines to power Shinka's attacks against Goromoth in a vivid puzzle battle with three difficulty levels.
Explore game

Topple cosmic structures with limited charges, precision impacts, and recovered special shots across ten distinct worlds.
Explore game
Fire numbered tiles up five lanes, merge equals, and turn the board every five shots to reach 1024.
Explore game
Find compatible TVs on your home network, switch between rooms, and control volume, channels, and TV apps from your iPhone.
Explore appA practical AI consulting service for Luxembourg SMEs, turning workflow automation, team training, and focused pilots into usable business systems.
Explore project
A mobile data-entry product for replacing paper forms with custom digital forms that can be created, deployed, and sent to clients or colleagues.
Explore projectA simple workspace for creating, reviewing, and exporting expense reports.
Explore projectA free citizen initiative helping Luxembourg households prepare for 72 hours of self-sufficiency with practical guides, a personal checklist, and an emergency plan.
Explore projectPersonal, playful tutoring for primary-school children, aligned with Luxembourg's school curriculum.
Explore projectAI consulting / 02
AI consulting × AutonomaMake AI useful for your business. I help teams in Luxembourg spot the right opportunities, automate the repetitive work, and build the confidence to get started.
Identify useful AI opportunities in your actual workflows.
Turn an idea into a focused pilot or a practical automation.
Hands-on coaching and training to put new tools to use.
Field notes / 03
Notes on what I’m making, what I’m learning, and where the next idea leads.
All updatesBeyond the build
My work crosses software, education, and entrepreneurship. Away from the keyboard, you’ll find me training rescue dogs or supporting cycling races as a motorcycle safety rider.
More about me & my CVGood things start with a conversation.