Solar Sales & Installation Management Platform

A full-stack iOS and Android mobile application for solar sales and installation management. Built from zero to live on both app stores. Sales calendars, installation workflows, real-time team collaboration, and a complete backend infrastructure. Delivered white label under the agency brand.
Let’s Work Together
solar mobile app

PROJECT SNAPSHOT

WHITE LABEL DISCLOSURE: This project was delivered under a white label engagement. The end client and agency partner remain confidential. All identifying details have been removed. The technical scope, architecture decisions, and delivery details described are accurate and verifiable.
  • Industry Mining: Solar Energy – Field Operations
  • Geography: Australia
  • Client Type: Solar Installation Company
  • Delivery Model: Full White Label via Agency
  • Project Type: Greenfield — Zero to App Stores
  • Delivered By: NextEnvision Digital: full engineering team
  • Platform Type: iOS + Android
tools we design with

THE BRIEF

A solar installation company needed a mobile platform to manage the full lifecycle of their sales and installation operations. Their teams were running on spreadsheets, WhatsApp groups, and paper job sheets- creating scheduling conflicts, missed follow-ups, and no real-time visibility into field operations.

The agency partner engaged NextEnvision to build the entire platform from scratch — iOS app, Android app, backend API, and cloud infrastructure. The result is a live, production application on both the Apple App Store and Google Play Store, with sales calendars, installation workflows, work-in-progress tracking, and real-time team collaboration. The end client never engaged with NextEnvision directly.

THE CHALLENGES

Building a field operations app for solar teams is deceptively complex. Sales reps, installation crews, and managers all need different views of the same data, in real time, on mobile devices in the field — often in areas with poor connectivity.
Dual Platform from Day One

iOS and Android required simultaneously, not sequentially. A shared codebase architecture was essential to maintain feature parity and development velocity without doubling the build cost or timeline.

Real-Time Scheduling Across Multiple User Roles

Sales managers, sales reps, and installation crews each see different calendar views of the same underlying schedule data. Real-time updates when one user changes a booking needed to propagate instantly to all affected users.

Field Reliability - Offline and Poor Connectivity

Installation crews work on rooftops and in areas with limited signal. The app needed to function fully offline and sync data reliably when connectivity resumed – without conflicts or data loss between simultaneous field updates.

Complex Installation Job State Machine

Each installation job moves through multiple states – scheduled, materials confirmed, crew assigned, in-progress, punch-list, completed, signed-off. Engineering this state machine with the right transitions, validations, and notifications for each role.

App Store Submission and Approval

Both Apple App Store and Google Play Store submissions required – each with their own review requirements, privacy policies, and technical standards. Coordinating dual submission while maintaining white label discipline across both listings.

Backend Scalability for Growing Teams

The platform needed to scale as the client’s sales and installation teams grew – without architectural rework. API design, database schema, and infrastructure were built for scale from the first sprint, not retrofitted later.

WHAT NEXTENVISION BUILT

NextEnvision engineered the entire platform from scratch - architecture, frontend, backend, database design, and deployment.
Mobile Apps: iOS and Android Application
  • Sales Calendar — lead tracking and appointment scheduling
  • Install Day — job details, materials, and progress
  • Push notifications — real-time job and lead alerts
  • Work Calendar — team task assignment and monitoring
  • Work in Progress — active installation tracking
  • Offline mode with background sync on reconnect
Backend API: Backend and Business Logic
  • RESTful API serving all mobile app modules
  • Real-time scheduling engine with conflict detection
  • Role-based access — manager, sales rep, installer
  • Installation job state machine with role-based transitions
  • Push notification infrastructure — FCM + APNs
  • Reporting endpoints — team performance and job analytics
Infrastructure: Cloud Infrastructure and Deployment
  • Cloud-hosted API with auto-scaling configuration
  • App Store and Google Play Store submission and approval
  • Monitoring and alerting — uptime and error tracking
  • CI/CD pipeline — dev, staging, and production
  • OTA update capability — deploy fixes without store review
  • JWT authentication with secure token refresh

TECHNOLOGY & INFRASTRUCTURE

The technology stack was selected to balance performance, security, long-term maintainability, and the ability to scale across a growing number of mine sites without architectural changes.
Mobile

React Native — shared codebase for iOS and Android

Backend

Node.js, RESTful API, real-time sync engine

Database

Relational DB, optimised for scheduling and job state

Push Notifications

Firebase Cloud Messaging (FCM) · Apple Push Notification service (APNs)

Infrastructure

Cloud-hosted · CI/CD pipeline · auto-scaling · monitoring

HOW THE WHITE LABEL DELIVERY WORKED

This project was a three-layer white label engagement - a model NextEnvision operates with precision.
LAYER

1

The End Client

Solar installation company — defined product requirements, provided brand assets for app store submission

LAYER

2

The Agency Partner

Digital agency — managed client relationship, sprint reviews, and app store submission coordination

LAYER

3

NextEnvision Digital

Full iOS + Android build, backend API, cloud infrastructure, and ongoing releases — invisibly under the agency brand

OUTCOMES & DELIVERY

Outcome
Detail
Live on Apple App Store and Google Play

Application successfully published on both platforms. Regular version updates shipped — performance improvements and feature additions delivered continuously post-launch.

Zero scope compromise

All five core modules delivered — Sales Calendar, Work Calendar, Install Day, Work in Progress, and Team Collaboration — exactly as specified in the original brief.

Real-Time Field Operations

Sales and installation teams replaced spreadsheets and WhatsApp with a single platform. Scheduling conflicts eliminated. Job progress visible to managers in real time.

Zero White Label Compromise

App published under the client’s brand. No NextEnvision reference in the app, the store listings, the codebase, or any client-facing communication throughout the engagement.

Continuous Post-Launch Delivery

Multiple performance improvement releases shipped after launch. The app store version history demonstrates active, ongoing delivery — not a handoff-and-disappear engagement.

Agency Partner Retained

The agency continued working with NextEnvision beyond the initial build — the clearest signal that white label delivery was executed to the standard expected.