Multi-Tenant Construction SaaS Platform

I'm looking for a full-stack developer or team to build a cloud-based SaaS platform for small to mid-sized construction subcontractors, inspired by tools like Raken and ProContractor Mobile. The platform should help field teams efficiently manage daily reports, time tracking, employee logs, safety checklists, and document uploads — all organized by projects and clients, with a strong focus on mobile-friendly UX and multi-tenant architecture.

Key Features Required:

Multi-tenant setup (each subcontractor company has its own users and data)

Project & client management dashboard

Daily field reports (with weather, manpower, cost codes, notes, photos, signatures)

Time tracking (manual timesheets, possibly GPS logging)

Employee database (basic info + certifications)

Safety and inspection forms (OSHA-style checklists)

Document/photo management (file uploads tied to projects/logs)

Auto-generated branded PDF reports

Responsive web app (tablet/mobile friendly)

Tech Preferences (open to discussion):

Backend: Node.js (Express/NestJS), Python (FastAPI/Django), or .NET Core

Frontend: React (with TypeScript preferred)

Database: PostgreSQL (multi-tenant schema design)

Cloud storage (AWS S3 or similar) for photos/files

Hosting: AWS, Azure, or another scalable cloud provider

Optional: Docker, CI/CD setup, PDF generation, Weather API integration

Important Notes:

This is a from-scratch build — I will provide a detailed feature roadmap and reference designs.

No third-party integrations are needed initially (e.g., no QuickBooks or Procore sync).

The MVP should focus on core field reporting and project tracking, then expand.

Ideal Candidate:

Proven experience building scalable multi-tenant SaaS apps

Familiar with construction or field service apps (nice to have)

Able to suggest the best tools/frameworks for long-term maintainability

Can work independently and communicate progress clearly

Deliverables:

MVP-ready application (backend + frontend) with complete CRUD functionality

Source code in Git repository

Deployment instructions or basic CI/CD setup

Optional: Admin demo and walkthrough

Please include in your bid:

Estimated timeline to deliver an MVP

Examples of similar SaaS or dashboard apps you've built

Your preferred stack for this project

Any initial questions you have