Title: Build Full-Featured Tradesmen CRM Web + Mobile App (Tradios) – Connect to Existing Custom CRM Backend Job Description: I need an experienced full-stack developer / agency to build a modern, professional CRM + Job Management web app + mobile app for UK tradesmen (plumbers, electricians, builders, etc.). I already have a powerful custom CRM backend with all the core tools (AI Estimate Tool, AI Contract Maker, database, user management, etc.). You will build the beautiful frontend only (web dashboard + iOS & Android mobile app) that connects to my existing backend via REST API. Must-Have Features Clean, mobile-first dashboard (web + native mobile app) Drag-and-drop Calendar / Scheduling with availability blocks and team view Zapier + API leads integration (auto-import jobs from Checkatrade, MyBuilder, Rated People, Findatrade, etc.) Estimate / Quoting module with AI integration (pulls from my existing AI tool) Invoice module with PDF generation, staged payments, and online payment links Material Takeoff tool (quantity takeoff – measure materials from job notes or simple plans) Contract module with AI Contract Maker (pulls from my existing AI tool) + digital signature Build Charts – Gantt charts, progress tracking, build schedule visualiser Customer CRM with full history, tags, lifetime value Leads Inbox with real-time notifications Reports & Analytics (revenue, profitability, win rate, charts) Reviews & auto-review requests Push notifications + SMS alerts Offline mode support PDF exports for all documents Tech Requirements Web app: Modern framework (React / Next.js preferred) Mobile app: React Native (single codebase for iOS + Android) – or Flutter if you strongly prefer Must connect seamlessly to my existing REST API (I will provide full API documentation + test environment) Clean, professional UI/UX (similar to Tradify / ServiceM8 / Jobber style) Fast loading, secure (JWT auth), responsive design What I Provide Full backend + all AI tools already built and running Complete API documentation Test server with sample data Brand assets & logo (Tradios – navy blue + orange) Budget & Timeline: Fixed-price or hourly – please quote both options. Target launch: 6–8 weeks from kick-off. If you have built similar trades/job management apps before, please share 1–2 examples in your proposal. Looking forward to seeing your portfolio and quote!