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Reddit cuts mobile CI build times by up to 50% and improves developer experience with Buildkite
Migrating iOS and Android builds to Buildkite gave Reddit faster pipelines, greater stability, and improved developer experience without increasing infrastructure costs or losing scalability.
Read the case study- Performance gains
- Build times for both Android and iOS apps dropped by about 30%, while queue times fell from several minutes to around five seconds, accelerating delivery.
- Improved developer experience
- Replacing unwieldy 6,000-line YAML configs with small, reusable pipeline steps reduced friction for test sharding, log customization, and parallel execution of iOS and Android tests.
- Operational efficiency
- Git and container caching cut checkout times from minutes to 30–40 seconds, while automatic build cancellation prevented wasted compute runs and helped control workloads.