Professional-grade mypy configuration
Type hints are an essential part of modern Python. Type hints are the enabler for clever IDEs, they document the code,...
Blog: Engineering
Kristian’s journey from junior engineer to competence lead at Wolt
Hello, who are you? 👋🏻 My name is Kristian: I’m a software engineer from a small beautiful place called the...
5 tips for writing production-ready Celery tasks
Celery is the go-to distributed task queue solution for most Pythonistas. It’s mature, feature-rich, and properly documented. It’s well suited...
GSON to Moshi migration – the good, the bad and the deserializer
We at Wolt have recently migrated the default JSON parser in our Android application from GSON to Moshi. Read more...
New remote setup at Wolt’s Product – hiring 200 tech talents this year in Finland, Sweden, Germany, Denmark and Estonia
We often hear the question, “Why are you hiring so many engineers? Your app is ready already”. While I understand...
Why I’m choosing to work in a product company instead of consulting (and you should, too)
How we came to create a new image placeholder algorithm, BlurHash
The perfect storm: The story of the city launch that brought Wolt down
This is a post about the engineering behind Wolt, where we share what it takes to deliver millions of meals...
