MaxMaster Construction Platform — comprehensive SaaS platform

MaxMaster Construction Platform — a comprehensive SaaS platform for construction companies. It covers the full cycle of work for general contractors: from bidding and cost estimation to design, implementation, and financial calculations.

Implemented modules:
- Bidding — generation of commercial proposals for clients and requests to contractors, statuses, net amounts, validity periods
- Estimates (Kosztorys) — full support for the Polish KNR database, hierarchical structure (sections/positions/norms), AI assistant for auto-filling positions
- Plans and drawings — built-in PDF viewer with measurement tools, layers, annotations, and versioning of project files
- Gantt chart — planning and tracking construction phases
- CRM — management of clients and contractors
- Finance and Supply — control of expenses and ordering materials
- HR module — Attendance, Vacations, Employee Schedules
- Document flow, Approvals, Reports
- Subscriptions — multi-tenant SaaS model with company administrator roles

Stack: React 19, TypeScript, Tailwind CSS, Supabase (PostgreSQL + Auth + Edge Functions + Storage), Google Gemini AI (project analysis and assistance in cost estimation), Recharts, Vite. Deployed at portal.maxmaster.info.

A real production product with active clients from the construction industry in Poland.

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