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DriveFlow

DriveFlow is a production-grade, full-stack vehicle booking platform built with a T3-inspired architecture. It focuses on secure authentication, real-time car discovery, booking workflows, and scalable payment integration while maintaining strict end-to-end type safety across the entire system

Role
Solo Full-Stack Developer
Timeline
Actively in development
Type
Production Build
DriveFlow  project preview
01 / Overview

The project story.

DriveFlow is a production-grade, full-stack vehicle booking platform built with a T3-inspired architecture. It focuses on secure authentication, real-time car discovery, booking workflows, and scalable payment integration while maintaining strict end-to-end type safety across the entire system

Full Stack DevelopmentCloud ApplicationVehicle Booking PlatformAuthentication & Payments System
02 / What it does

Built around the details.

Core capabilities designed to make the product reliable, useful, and ready for real-world use.

01

Feature 01

Hybrid authentication with Email/Password and Google OAuth 2.0

02

Feature 02

Secure session management using HTTP-only cookies

03

Feature 03

Real-time vehicle search and server-side filtering

04

Feature 04

Dynamic pricing based on rental duration and add-ons

05

Feature 05

End-to-end booking workflow with availability validation

06

Feature 06

Payment-ready architecture with booking-payment lifecycle

07

Feature 07

User dashboard for bookings, invoices, and profile management

08

Feature 08

Admin dashboard for vehicle, booking, and pricing management

09

Feature 09

Reactive UI updates using tRPC cache invalidation

010

Feature 010

Strict input validation using Zod schemas

03 / Engineering

Problems, solved.

Challenge 01

Maintaining end-to-end type safety across client and server

Approach

Implemented tRPC for fully type-safe API communication

Challenge 02

Preventing double bookings during concurrent requests

Approach

Validated booking availability at the database level

Challenge 03

Synchronizing authentication state across multiple tabs

Approach

Used tRPC cache invalidation for real-time UI updates

Challenge 04

Designing scalable booking and payment workflows

Approach

Designed booking and payment state machines for scalability

04 / Toolkit

Made with the right tools.

Next.jsReactTypeScriptChakra UITanStack React QueryRechartstRPCNode.jsPostgreSQL (Vercel Postgres)Prisma ORMGoogle OAuth 2.0bcryptHTTP-only CookiesStripe (Planned)Zoddate-fnsSuperJSONAWS S3VercelGitHubESLintTypeScript
Feature 01Hybrid authentication with Email/Password and Google OAuth 2.0
Feature 02Secure session management using HTTP-only cookies
Feature 03Real-time vehicle search and server-side filtering
Feature 04Dynamic pricing based on rental duration and add-ons
Feature 05End-to-end booking workflow with availability validation
Feature 06Payment-ready architecture with booking-payment lifecycle
Feature 07User dashboard for bookings, invoices, and profile management
Feature 08Admin dashboard for vehicle, booking, and pricing management
Feature 09Reactive UI updates using tRPC cache invalidation
Feature 10Strict input validation using Zod schemas

05 / Outcome

Results that matter.

A scalable, secure, and type-safe booking platform demonstrating modern authentication, real-time data handling, and enterprise-ready architecture.

06 / In the product

A closer look.

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DriveFlow — Project Case Study | Mahmudul Hasan