ENGINEER. MAKER. CURIOUS HUMAN.

Code, ideas,
and a sense of
adventure.

I’m Aurélien, a software engineer at Docker and the creator of Piggy. I write about technology, money, and the world around us.

Portrait of Aurélien Baumann
Aurélien Baumann

There’s a whole world beyond the keyboard.

BUILDQUESTIONLEARNPLAYREPEAT

01 / MAKING THINGS

Ideas out in the world.

All projects
A PERSONAL PROJECTPiggy’s green pig logopiggy
SOFTWARE · PERSONAL FINANCE

A little clarity for your money.

From Google Sheets to a clearer view of budgets, cash forecasts, and investments. A useful tool born from my own questions.

Meet Piggy
ONE BOOK. MANY QUESTIONS.Revues de Code podcast cover AUDIO EN FRANÇAIS
PODCAST · BOOKS & TECHNOLOGY

Revues de Code

Technology books and the questions they raise about innovation, work, and society. With a little personal reading between the lines.

Explore the podcast

PERSONAL FINANCE · INTERACTIVE CALCULATOR

Buy
or rent?

A home purchase deserves more than a rule of thumb. I built this calculator to compare the long-term financial picture of renting and buying.

Adjust the home price, mortgage, rent, and investment assumptions to explore different scenarios.

English-language tool
The Buy or Rent calculator: housing cost inputs and a graph comparing buying and renting scenarios
Actual calculator preview · default example scenario

02 / THINKING OUT LOUD

A few things on my mind.

All writing

Also on Medium.

My Medium profile
Money & decisions
MediumEN

You are not ready to buy a home

Buying versus renting, the costs beyond a mortgage, and questioning the idea that ownership is always the better investment.

Read on Medium
Money & decisions
MediumEN

How I cured my overspending disease

Moving beyond the bank balance as a spending guide, and building a more deliberate relationship with money.

Read on Medium

03 / THE REST OF THE WORLD

Beyond the keyboard.

Not everything needs to be productive. Some things are just worth doing.

GOOD CONVERSATIONS START SOMEWHERE.

Something here
spark your curiosity?

A useful tool, a good book, or a role-playing idea. I’m always up for a thoughtful conversation.

Let’s talk