Migrations Done Right - Success Stories and Lessons Learned

Learn how to execute large-scale system migrations and rewrites safely in production environments through this 26-minute conference talk from LeadDev Berlin 2025. Discover proven strategies for migrating critical systems without disrupting users by implementing incremental delivery approaches instead of risky big-bang releases. Explore practical execution techniques including partial rollouts, dual-read approaches, traffic splitting, and feature flags that enable safe transitions at scale. Gain insights into measuring migration progress effectively and building stakeholder confidence throughout complex transformation projects. Master actionable methodologies for delivering successful migrations that provide competitive advantages while minimizing operational risk, drawing from real-world experiences of leading multiple production migrations.