NextGen AutoTech: Building an AI-Driven Operating System for Auto Repair Shops
NextGen AutoTech is a full-stack SaaS platform engineered to solve shop management and diagnostic bottlenecks faced by auto repair shop owners and certified technicians.
Architectural Overview
Modern auto repair shops struggle with fragmented diagnostic tools and manual technician slot allocation. NextGen AutoTech integrates AI diagnostic session engines with multi-tenant subscription management into a unified system architecture.
Core System Features
AI Diagnostic Engine
Multi-Modal Diagnostic Chat: Supports text inquiries and diagnostic image uploads to troubleshoot complex vehicle faults.
Diagnostic History & Logs: Centralized log of previous diagnostic chat sessions for historical repair reference.
Shop Owner & Technician Management
Onboard Technician Seats: Shop owners can add and manage technician accounts aligned with active subscription tiers.
Seat Limit Monitoring: Real-time tracking of assigned vs available technician seats across shop floors.
Account Access Control: Easily update technician statuses to active, invited, or suspended.
Confirmed Repair Logs: Log and store verified diagnostic reports for shop records.
Billing & Subscription Operations
Subscription Intents & Billing: Seamless checkout workflows for monthly and annual shop subscription plans.
Automated Subscription Activation: Instant subscription activation and receipt verification.
Auto-Renewal Controls: Flexible controls allowing shop owners to toggle auto-renewal preferences at period end.
Plan Tier Adjustments: Upgrade or downgrade shop subscription tiers dynamically based on business growth.
Technology Stack
| Domain | Technologies |
|---|---|
| Frontend Architecture | Next.js 16 (App Router), React 19, Redux Toolkit (RTK), RTK Query API slices, Redux Persist |
| Backend Services | Node.js, Express.js, TypeScript, Zod Middleware Validation |
| Database & ORM | MongoDB Atlas, Prisma ORM |
| Billing & Storage | Stripe Payments SDK, Cloudinary Image Storage |
| Security & Auth | JWT Authentication, Bcrypt Hashing, Email OTP Verification |
Future Roadmap
OBD-II Telematics Integration: Real-time Bluetooth/Wi-Fi adapter sync for instant vehicle diagnostic error code retrieval.
Automated Invoice Estimator: AI-generated parts & labor cost estimates synced directly to customer billing portals.
Hands-Free Technician Voice Assistant: Voice-guided diagnostic assistance during active under-hood repairs.
Predictive Inventory Ordering: Smart inventory forecasting that automatically reorders high-demand spare parts.