Building a Reasonably Popular Web Application for the First Time

Discover key insights for scaling a rapidly growing SaaS web application in this 23-minute EuroPython Conference talk. Learn essential strategies for successful development, including implementing logging and monitoring from the start, preparing for component failures, ensuring language interoperability, planning for horizontal scalability, managing database downtime, and establishing maintenance protocols. Gain valuable tips on profiling API calls, setting limits, avoiding data type constraints, and balancing code quality across different parts of your application. Benefit from the real-world experience of Hotjar's co-founder and Head of Engineering as he shares lessons learned from unexpectedly rapid growth, covering topics such as secret management, feature testing, and setting up shared configurations between backend and frontend systems.

Introduction
Who am I
Tech stack
What we learned
Keeping secrets
Language interoperability
Questions