COMMERCIAL FIELD OPERATIONS CASE STUDY

Replacing 5 Disconnected Spreadsheets With One Unified Operational Platform

A commercial refrigeration and technical services company was managing customer accounts, job quotes, technician visits, van stock, and billing preparation across paper notes, local memory, and 5 separate spreadsheets. This custom platform replaced that manual friction with a single connected system where a quotation, the technician visit it triggers, the parts consumed, and the invoice generated share one operational record.

Delivered capability Observed workflow change Client delivery
Client Sector Refrigeration & CVC Services
Delivery Window 4-Week Implementation Sprint
Role & Scope Full-Stack Architecture & Development
Core Tech Stack Laravel, React, PostgreSQL, Docker
Fractal Tech Field Operations Platform evidence shot

Context

Prior to this project, Fractal Tech struggled with administrative drag. Service coordinators manually copied customer requests from emails into paper job sheets, technicians called the office for equipment history, consumed spare parts went unbilled, and invoice preparation waited up to a week for intervention reports to be typed up.

In a focused 4-week delivery sprint, Anass designed and implemented a unified web and mobile operational platform. The system connects 18+ operational modules into a single pipeline: from initial quote creation to technician dispatch, mobile visit evidence capture (photos, signatures, consumed stock), automated PDF certificate generation, and invoice-ready validation.

Existing Process & Operational Problem

Before State (Fragmented Manual Handoffs)

  • Quotes stored in individual Word documents.
  • Interventions scheduled via WhatsApp & paper notes.
  • No real-time visibility into technician van stock or spare parts.
  • Technicians had no access to equipment visit history on site.
  • Office coordinators manually reconciled job notes before billing.
  • Invoice preparation delayed by 3 to 7 days post-intervention.

After State (Connected Operational Engine)

  • Centralized customer & quote repository.
  • Structured dispatch calendar with skill & region tagging.
  • Technician mobile view with site access notes & history.
  • Parts consumed on site automatically deduct from van inventory.
  • Auto-generated PDF compliance certificates attached to job records.
  • One-click validation turns completed visits into invoice-ready records.

Constraints

Custom software succeeds only when engineered within the real operating limits of the business:

CONSTRAINT 01

Strict 4-Week Release Window

The company had an upcoming season peak and needed the system deployed without interrupting active maintenance contracts.

CONSTRAINT 02

Non-Technical Field Staff

Field technicians required a clean, high-contrast mobile interface with zero unnecessary form fields or complex menus.

CONSTRAINT 03

Role-Based Security

Technicians could access only their assigned jobs and parts, while managers retained quote approvals and financial reporting access.

CONSTRAINT 04

Traceable Stock & Documents

Every spare part consumed on site had to link directly to a specific customer job ID and invoice line item.

Delivered Scope

STEP 1 Quote & Request Approved by office
STEP 2 Dispatch Planning Assigned to engineer
STEP 3 Mobile Execution Visit notes & photos
STEP 4 Parts & Certificate Stock deducted & PDF created
STEP 5 Office Validation Invoice-ready record

Delivered Module Inventory

The system integrates 18+ core modules grouped into 5 functional operational domains:

1. Customer & Commercial Management

  • Customer profile & site location database
  • Service contract & SLA tracking
  • Quote generation engine with itemized pricing
  • Deposit & payment status indicators

2. Dispatch & Field Operations

  • Planning calendar & job assignment
  • Technician mobile visit completion view
  • Equipment repair history & past visit notes
  • Customer signature & photo capture

3. Stock & Inventory Control

  • Central warehouse & van stock tracking
  • Job-level parts consumption logging
  • Low-stock re-order thresholds & alerts
  • Part-to-invoice price mapping

4. Documents & Compliance

  • Automated PDF certificate generation engine
  • Inspection reports & safety compliance forms
  • Digital customer sign-off attachments

Verification & Outcomes

All claims are governed by our evidence classification rules:

Delivered capability Connected Operational Record Customer, intervention, stock, certificate, quote, and invoice records share a single database schema.
Observed workflow change Elimination of Double Entry Office coordinators no longer manually re-type paper intervention notes into billing spreadsheets.
Client delivery Immediate Billing Readiness Field intervention completion instantly generates invoice-ready records for office review.
Delivered capability Audit-Ready Certificates Every completed job auto-generates signed PDF inspection documents linked to customer accounts.

Architecture, Technologies & Security

BACKEND ARCHITECTURE

Laravel REST API & Queues

Chosen for rapid domain modeling, robust ORM, role-based access control, and asynchronous queue processing for PDF generation.

FRONTEND INTERFACE

React Single-Page Application

Provides a responsive, low-latency desktop interface for office dispatchers and a streamlined touch-friendly mobile view for technicians.

DATABASE & INTEGRITY

PostgreSQL Data Schema

Enforces strict relational integrity between customer IDs, quote line items, intervention logs, parts consumed, and invoice states.

DEPLOYMENT & SECURITY

Docker & Linux VPS Pipeline

Containerized application deployment with SSL certificates, automated daily offsite database backups, and Nginx reverse proxy.

Limitations & Confidentiality

What was intentionally excluded in Phase 1:

  • Automated GPS route optimization (managed via manual dispatcher regional grouping).
  • Direct customer self-service booking portal (planned for Phase 2).
  • Automated accounting API sync (Phase 1 exports standardized CSV for accounting import).

* Framing limitations transparently ensures clients understand exact project boundaries before contracting.

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