From the dev team
Engineering
Selected track
Infrastructure, replay storage, cost controls, ingest pipelines, and scaling notes.
2 articles
Backend Technicals
May 06, 2026 · 8 min read
How We Keep Mobile Session Replay 17× Cheaper Than PostHog
The specific engineering decisions and great GDPR providers.
Backend Technicals
Apr 23, 2026 · 9 min read
Rejourney Hits 1.3 Million Session Replays in 3 Months
Lessons in edge security, durable pipelines, and scaling during a 10x traffic spike.