Spotify

Spotify's Strategies and Tools for Performing Migrations on Platform

Original post Strategies and Tools for Performing Migrations on Platform

Scalability
iOS Android

Article Summary

Spotify migrated 2,200+ mobile components and moved their entire iOS/Android codebase to Bazel across 100+ squads. Here's how they survived the chaos.

Our full summary of this post is not ready yet. The links below cover the same topic.

Continue reading

More on Scalability The Ultimate Kotlin Multiplatform Watchlist Kotlin Blog Nov 24, 2025 More from Spotify Leveraging Mobile Infrastructure with Data-Driven Decisions Spotify Jul 22, 2020 Also on iOS Evolving Mercari's iOS codebase into a multi-product monorepo Mercari Oct 24, 2025

This page summarizes “Strategies and Tools for Performing Migrations on Platform” by Spotify, published Nov 1, 2022. All credit for the original work goes to the authors.

Read the original on engineering.atspotify.com (opens in new tab)

More on Scalability

Flutter for Enterprises: Everything CTOs and Engineering Leaders Need to Know

Very Good Ventures reveals why global leaders like Disney, Toyota, and BMW are ditching fragmented native development for a single framework. The shift isn't just technical—it's transformational.

Very Good Ventures Oct 8, 2025

How Uber Standardized Mobile Analytics for Cross-Platform Insights

Uber runs 50+ mobile apps across iOS and Android. How do you get consistent analytics when every team tracks things differently?

Uber Oct 2, 2025

Scaling Swiggy's Mobile Ecosystem [1/n]

Tushar Tayal from Swiggy reveals the hidden complexity behind managing 6+ consumer apps (Snacc, Instamart, Toing, Dineout, Crew) in production. Spoiler: it's not just about shipping faster.

Swiggy Sep 30, 2025

Boosting App Performance: Strategies to Optimize Network Requests

Coinbase cut network requests by 64% during traffic spikes without degrading user experience. Here's how they engineered their way to massive scale.

Coinbase Dec 18, 2024

Distributed Job Scheduler: Zero to 20k Concurrent Jobs

Glance built a distributed job scheduler that went from zero to handling 20,000+ concurrent jobs. Here's how they did it with Redis and smart architecture.

Glance Nov 22, 2023

Scaling Glance Game Centre to Support 100 Million Daily Active Users

Glance Game Centre serves millions of daily users playing HTML5 games on their lock screens. Their leaderboard system hit a wall with a single-node MongoDB struggling under 1000 QPS.

Glance Oct 18, 2023
See all 60 Scalability articles

More from Spotify

How We Release the Spotify App: A Look Under the Hood (Part 2)

Spotify's release managers were drowning in Jira tabs, juggling dozens of tickets while fielding Slack questions. One dashboard changed everything.

Spotify Feb 9, 2026

A Behind-the-Scenes Look at How We Release the Spotify App (Part 1)

Spotify ships weekly releases to 675 million users across iOS and Android. Here's how they balance speed with quality at that scale.

Spotify Apr 1, 2025

The What, Why, and How of Mastering App Size

Spotify's mobile apps generated 930+ petabytes of network traffic in 2022, equivalent to 65,000 tons of CO2 emissions. Their solution? A comprehensive app size management system that's both environmen

Spotify Nov 1, 2023

Load Testing for 2022 Spotify Wrapped

Spotify Wrapped serves 150M+ users in a single morning. How do you load test for that kind of thundering herd?

Spotify Mar 31, 2023

Introducing Ruler: Our Tool for Measuring Android App Size

Spotify just open-sourced the tool that helped them slash their Android app size by 9%. Here's why app size matters more than you think.

Spotify Feb 14, 2022

Introducing XCRemoteCache: The iOS Remote Caching Tool that Cut Our Clean Build Times by 70%

Spotify just open-sourced the tool that slashed their iOS build times by 70%. For teams drowning in long compile times, this is a game-changer.

Spotify Nov 16, 2021
All 11 Spotify articles

AI tools for iOS

App Store Connect CLI (asc) A command-line tool for managing App Store Connect — TestFlight, builds, certificates, and metadata without a browser. App Store Rejections MCP An MCP server that gives AI agents access to App Store rejection data, real-world cases, and Apple's Review Guidelines. Claude Swift Engineering A Claude Code plugin with 12 specialized agents and 18 knowledge skills for Swift 6.2, TCA, and SwiftUI development.
Browse all AI tools →