Relational Data Problems: Doubble Dating Application Architecture

Mattias Siø Fjellvang

CTO & Co-Founder at Doubble

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Mattias Siø Fjellvang, CTO and Co-Founder of Doubble, joins to discuss the technical challenges he’s faced while building a “double dating” application. Mattias discusses tech stack decisions, developing with a completely distributed team, and the incredible month-to-month growth of the application.

Mattias talks about what it was like for ‘a React guy’ to develop using Dart and Flutter. Taking a prototype built on MongoDB and flipping it to CockroachDB to solve the scalability, reliability, and data compliance issues challenges. 

Join as we discuss: 

  • The application design of a double-dating application
  • CockroachDB vs Mongo
  • The use of Github’s co-pilot development
  • How Doubble handles downtime

Big Ideas in App Architecture

A podcast for architects and engineers who are building modern, data-intensive applications and systems. In each weekly episode, an innovator joins host Tim Veil to share useful insights from their experiences building reliable, scalable, maintainable systems.


Tim Veil

Host, Big Ideas in App Architecture

Cockroach Labs

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