Northwind Mobile

Field-service app trusted by 20k technicians

Client

Global field-ops leader

Role

Mobile & Backend Engineering

Year

2024

Duration

9 months

Challenge

Paper-based workflows and legacy tooling caused 22% job-completion drift and long sync cycles for technicians in low-connectivity regions.

Solution

Offline-first React Native app with conflict-free replicated queues, SQLite snapshots, Mapbox routing, and a GraphQL edge built on AWS AppSync. Rolled out across 14 countries in 4 waves.

+38%

jobs closed / day

20k

daily users

4.8★

app store rating

Tech stack

React NativeGraphQLAWSSQLiteMapbox

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