Mobile · Cross-platform

Field service mobile app

Osei Logistics — 2025

Cross-platform app for job dispatch and proof-of-delivery, syncing to the client's existing web platform.

Result
Offline job sheets for 60 field crews
Timeline
14 weeks
Field service mobile app interface for Osei Logistics — 2025

The challenge

Delivery crews worked in areas with patchy signal and were still collecting paper proof-of-delivery sheets that arrived at the office days later.

What we did

  • Built one cross-platform app for iOS and Android from a single codebase.
  • Designed an offline-first data layer that queues job updates and syncs when signal returns.
  • Added photo and signature capture attached directly to each job.
  • Connected the app to the client's existing dispatch platform over its API.

The outcome

  • 60 field crews now work from digital job sheets, online or off.
  • Proof of delivery reaches the office in minutes instead of days.
  • Paper job sheets retired entirely.

Stack

  • React Native
  • iOS
  • Android
  • Offline sync
  • REST APIs

Our crews stopped carrying paper. Everything lands in the office the moment they get signal.

Amara Osei Head of Operations, Osei Logistics

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