Mobile 3.0: Behind the Scenes of Our Offline-First Database Architecture
An in-depth technical walkthrough of how our engineering team built a local-first SQLite cache system to sync site telemetry seamlessly in remote zones.
Marcus Vance
Concolabs Contributor
Jobsites are notoriously hostile environments for cellular connectivity. Basements, heavy concrete structures, and remote civil engineering regions often have zero network service. To ensure zero data loss, we built an offline-first architecture for the Concolabs Mobile App.
Designing for Disconnected States
Most site applications fail in remote locations because they rely on active API connections. If the network drops during an inspection, the data is lost. Concolabs writes all transactions locally to a high-speed SQLite cache before syncing with the cloud database.
