Cinderblock

Contractor Job Management & Field Service Platform

Role: Full-Stack Mobile Developer

React NativeNode.jsPostgreSQL/MongoDBFirebaseAWSMobile & Web Applications

Cinderblock is a complete job management and field service platform built for contractors and trade businesses including general contractors, plumbers, electricians, HVAC technicians, and other service professionals. The platform replaces manual paperwork, spreadsheets, phone calls, and disconnected tools by providing a centralized system to manage the complete job lifecycle — from customer requests and estimates to scheduling, field operations, invoicing, and final completion.

↗ iOS App

What we built

Job Management System

Developed a complete job lifecycle management platform.
Enabled teams to manage jobs from: Customer request, Estimation, Scheduling, Field execution, Billing, Completion.
Implemented real-time job cost tracking for: Labor, Materials, Expenses.

Estimates & Invoicing

Built professional estimate and invoice generation workflows.
Supported: Partial/staged billing, Payment tracking, Customer billing history.
Integrated accounting workflows with QuickBooks synchronization.

Scheduling & Team Management

Developed crew scheduling and dispatch features.
Implemented drag-and-drop scheduling workflows.
Added employee assignment and availability management.
Built role-based access control for different team members.

Field Operations

Created mobile workflows for field technicians.
Enabled: Photo and video uploads, Digital forms, Task management, Time tracking, Job documentation.
Implemented offline-first functionality allowing technicians to continue working without internet connectivity.
Added automatic synchronization when devices reconnect.

Purchase Orders & Task Management

Built purchase order workflows for vendors and subcontractors.
Implemented task assignment with statuses: In Progress, Completed, Blocked.
Added subtasks and progress tracking.

Backend & Infrastructure

Developed scalable backend APIs for jobs, users, teams, invoices, schedules, and documents.
Integrated cloud storage for job media and documents.
Implemented secure authentication and data synchronization.
Optimized mobile performance for field environments.

Impact

Digitized complete contractor workflows from sales to final invoicing.
Reduced dependency on paperwork and manual tracking.
Improved communication between office teams and field workers.
Enabled contractors to manage jobs, teams, and customer relationships from a single platform.
Delivered a reliable field-service solution with offline capabilities for real-world job sites.

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