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CASE STUDYPROPTECH · MULTI APP SERVICE MARKETPLACE

Pidilite

A multi-app painting services marketplace for Pidilite's Aapka Painter brand, connecting sales reps, field operations, vendors and customers across the full project lifecycle.

43Weeks operated
3k+Hours of work
3Engineers

The brief

Build and continuously enhance a full-stack service delivery marketplace for Pidilite's Aapka Painter brand — enabling end-to-end painting project lifecycle management across sales reps, field operations teams, vendors/painters, and customers — while supporting multi-city geographic expansion and new product verticals.

What we built

A full-stack, multi-app painting services marketplace:

  • A Sales App for lead management, quoting, sales incentives, audio notes, and deep-linked referrals
  • An OPS App for field operations — site inspection, HOTO, day-wise project planning with calendar, geo-check-in, and painter management
  • A Vendor App for subcontractor assignment and scope management
  • A Django CRM with IDAP influencer classification, automated Slack/WhatsApp/email notifications via Celery+Redis background jobs
  • Customer/Vendor financial dashboards with eco-invoice PDF generation
  • Tookan integration for field agent scheduling
  • Whisper AI-powered audio note transcription
  • A nascent IDAP mobile app. The B2B app was in active scoping at engagement close.
⊛ Live in production

Sales App (Android + iOS) with audio notes, deep links, plan estimate, and referral flow; OPS App (Android + iOS) with full Chapter 2 & 3 workflows, geofenced check-in, HOTO, and day-wise scheduling; Vendor App live; Django CRM with IDAP classification, sales incentives, automated follow-up crons, and Tookan agent sync; Customer/Vendor dashboard with background Celery/Redis report jobs; Quotation V2 with room grouping and eco-invoice PDFs; Whisper AI audio notes live in production.

How it was built, phase by phase.

8 workstreams across 43 weeks of operated delivery

  1. (001)BUILDWeek 1–43

    Multi-App Flutter Ecosystem (Sales, OPS, Vendor, IDAP)

    A suite of interconnected Flutter mobile apps serving distinct stakeholder roles: a Sales app for lead management and quoting, an OPS app for field operations and project execution.

    ✓ All four apps live in production with regular update cycles; IDAP app initialized in final weeks

    FlutterPlay StoreApp Store / TestFlightSentryshare_plus
  2. (002)BUILDWeek 1–43

    OPS App — Project Lifecycle & Field Execution (Chapters 2 & 3)

    The OPS app powers the field operations of painting projects through structured 'Chapter' releases covering site inspection reports (SIR), HOTO (Hand Over Take Over) forms.

    ✓ OPS app chapters 2 and 3 merged and live; full field workflow from site inspection to project handover operational

    FlutterGoogle Maps / Geofencingshare_plusSentry
  3. (003)BUILDWeek 12–43

    Quotation Engine & PDF Generation

    A complex quotation system spanning CRM, customer dashboard, WhatsApp, and mobile apps.

    ✓ Quotation V2 template live across all channels with room-grouping, brand names, milestone payments, and eco-invoice PDF

    PDF converterDjango templatesWhatsApp APIAzure
  4. (004)BUILDWeek 14–43

    CRM Dashboard, Lead Management & Sales Incentives

    A web-based CRM with lead creation, editing, channel-specific routing (IDAP channel), referral tracking (InfluencerLeadMapping), follow-up scheduling, sales incentives with region restrictions and calculation flows.

    ✓ CRM with IDAP classification, sales incentives, lead referral mapping, and paginated project views live in production

    DjangoDjango ORMSelect2JavaScriptHTML templates
  5. (005)BUILDWeek 14–43

    Automated Notifications, Crons & Background Jobs

    A system of Slack notifications, WhatsApp automated messages, email reports, and cron jobs for operational automation: pending quote follow-ups, check-in reminders, chapter 3 logs, invoice reports.

    ✓ Automated quote follow-up, check-in reminders, chapter logs, and CV dashboard Excel reports running as background jobs

    CeleryRedisDockerSlack APIWhatsApp APICron
  6. (006)STABILIZEWeek 16–43

    Customer & Vendor Dashboard (CV Dashboard)

    A dual-facing dashboard showing project financial status for customers and vendors.

    ✓ CV dashboard stabilized with background processing for heavy queries, Excel report emails, and deduplicated vendor cost data

    DjangoCeleryRedisDockerDjango ORM subqueries
  7. (007)INTEGRATEWeek 29–34

    Tookan Integration & Field Agent Scheduling

    Integration with Tookan (a last-mile delivery/workforce management platform) to sync field agent (painter/representative) creation, blocking/unblocking, schedule management, and geofencing.

    ✓ Tookan integration live for agent creation, block/unblock, and leave-linked scheduling; geofencing enabled in CRM

    Tookan APIDjangoFlutterGeofencing
  8. (008)BUILDWeek 32–37

    AI-Powered Audio Notes & Whisper Integration

    R&D and implementation of an audio note feature across the Sales and OPS apps using OpenAI Whisper for audio-to-summary transcription.

    ✓ Audio note feature with Whisper AI transcription live in Sales app and OPS app; also implemented in CRM

    OpenAI WhisperFlutterDjangoAzure

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