Built for East End Installers

Service Management Platform — End-to-End Work Order & Messaging System

Cloud-native platform to handle CSV ingestion, calendars, notifications, document sync, and technician workflows.

Illustration of two colleagues building a custom app on a large monitor
1 month

Timeline

95%

manual handling reduction

Challenge

What was slowing the business down?

Scheduling, messaging, documents, and calendars were fragmented and manual.

Solution

What we built or automated

  • GCFs to process large CSVs to Firestore; dynamic job sync
  • Auto create/update Google Calendar events with rate-limit backoff and cleanups
  • Google Drive folder sync + file access for installers
  • Twilio SMS/calls/emails: daily reminders at 3PM + manual flows (confirmation, reminders, date options with validations)
  • Trello logging of SMS responses for internal visibility
Outcomes

Business impact

  • 95% reduction in manual work-order handling
  • Real-time alerts increased customer satisfaction
  • Always-synced schedules and files improved installer productivity
Tools

Tech stack

Flutter (Dart)FirestoreGoogle Cloud FunctionsTwilio APIGoogle Drive APIGoogle Calendar APITrello APIAWS Lightsail

From raw CSVs to calendars, files, and customer comms—all orchestrated automatically, with manual 'assist' tools when needed.

Free, no-obligation call

Want results like these?

Walk us through it on a 30-minute call. We’ll suggest what to tackle first, then send a written proposal with a price.

We will cover
  • What your staff spend the most hours on
  • Which of those jobs we could take on or automate
  • Where we’d suggest starting

Prefer email? Write to contact@silvertonguecontracting.com

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