Project Name: Custom Contractor Management System (Replace Tradify)
Project Type: Full custom web + mobile application
Overview: We are building a full contractor management system to manage engineers, subcontractors, jobs, timesheets, invoicing, GPS tracking, and reporting. The system must be scalable (currently 9 engineers, future 500+), secure, GDPR-compliant, and integrate with Sage first and Xero later.
We need a freelancer (or small team) to develop both backend + frontend, mobile apps, and database according to detailed specifications.
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1️⃣ Key Features / Requirements
A) Web Dashboard (Managers/Admins/Accountants) • Job management (create, assign, track status, attach files/photos) • Subcontractor management (assign jobs, track jobs, generate POs, track invoices) • Client invoice management (create, track, integrate with Sage) • Reports: Timesheets, material usage, profit analysis • Engineer live map / GPS tracking overview • Alerts: overdue invoices, missing photos, incomplete jobs • Role-based access: Admins, Managers, Accountants, Field Supervisors
B) Mobile App (Engineers) • Job list (assigned / in progress) • GPS tracking (real-time + periodic, check-in/out) • Job report form: • Time on site (auto/manual) • Travel time • Materials used • Parking / fees • Findings & recommendations • Tick-box checklists • Photos (before/during/after) • Submit reports to web dashboard • Timesheet tracking + weekly summary
C) Subcontractor Module • Assign jobs to subcontractors • Track job status • Generate Purchase Orders (POs) • Track subcontractor invoices (manual + CSV/XLSX upload) • Automatic reminders for due / overdue invoices • Exportable / Sage integration
D) Invoicing Module • Quote → Job → Invoice workflow • Retainers / deposits • Recurring invoices • PDF export • Sage integration first → Xero later
E) File Upload / Import • CSV/XLSX upload for subcontractor invoices • Validate fields, duplicates, missing info • Track manual vs file-uploaded invoices
5️⃣ Requirements from Freelancer • Experience with Node.js, React, React Native, PostgreSQL, AWS • Experience building CRM / ERP / field service apps • Ability to design scalable architecture • Experience with API integration (Sage/Xero) • Ability to handle file uploads, CSV/XLSX imports, and validation • Strong English communication and documentation skills • Deliver code in phases/milestones • Provide full technical documentation + deployment scripts
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